expedience operating system commands and parameters reference

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ExpedienceOperating Documentation4.6 '1

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Issue 01Approval Date 0DUFK

Important noticeNexpedience Networks has acquired the wireless network infrastructure assets associated with this product fromNSN and Motorola Solutions,Inc. Existing NSN and Motorola brand elements may be contained in this product as the product goes through a planned transition period.

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Only trained and qualified personnel may install, operate, maintain or otherwise handle this product and only after havingcarefully read the safety information applicable to this product.

The safety information is provided in the Safety Information section in the Legal, Safety and Environmental Information partof this document or documentation set.

Confidential

Tableof

Contents

Contents

Expedience Operating System Commands and Parameters ReferenceText conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Special key sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Summary of changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Chapter 1: Introduction to the NextNet Operating System (NNOS)Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3NNOS supported applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Using the interfaces of NNOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5Using the NNOS help system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6User and super user modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Using modes while in the command-line interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10Time Division Duplex (TDD), frames, slots, and symbols overview . . . . . . . . . . . . . . . . . . . . . . 1-11TDD in the Expedience system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12Adaptive modulation overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

Chapter 2: Base station commandsOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Setting up a HyperTerminal session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3Serial connector and cable overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Setting up a Telnet session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5Base station commands overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6Set commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Abbreviating command strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8Additional action after using set commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9Parameters in the DEVICE group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10Parameters in the AAA group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

set aaa authority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11set aaa port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11set aaa server address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12set aaa state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Parameters in the AIRLINK group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13set airlink busy override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13set airlink cpe limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13set airlink colorcode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14set airlink downlink bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15set airlink downlink power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17set airlink extended range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

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set airlink max mod level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18set airlink privatemode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19set airlink state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19set airlink voip admission ctrl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20set airlink voip hi mod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21set airlink voip no poll timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21set airlink voip retrans attempts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22set airlink voip release retries. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22set airlink voip busy threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22set airlink voip dl compression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

Parameters in the BUFFERS group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24set buffers large . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24set buffers medium . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24set buffers small. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-25

Parameters in the DEVICE group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26set device ethernet autoneg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26set device ethernet limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26set device password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27set device su password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27

Parameters in the ftp group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28set ftp port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28set ftp remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28set ftp state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-28set ftp timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29

Parameters in the HOST TRACE group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30set host trace address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30set host trace filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30set host trace state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31

Parameters in the LOCAL group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32set local allow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32set local hosts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32set local sla . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32set local vlan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33set local voip address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33set local voip state. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-33

Parameters in the NET group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34set net dhcp state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34set net ip address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34set net ip default gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35set net ip net mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35

Parameters in the RADIO group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36set radio cpc level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36set radio cpc state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-36set radio early limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37set radio frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-37set radio soft rssi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38set radio timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39

Parameters in the RELAY group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40set relay airlink queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40set relay cpe idletime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40set relay dhcp agent circuit id. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-40set relay dhcp agent remote id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-41set relay dhcp timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42set relay ethernet queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42set relay max ss transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-42set relay max transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43set relay maximum cpes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43set relay maximum hosts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-43

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set relay tcp dl optim. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-44Parameters in the SNMP group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-45

Using set snmp trap level arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-45set snmp aaa traplevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-45set snmp airlink traplevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-46set snmp all levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-46set snmp config traplevel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-46set snmp get community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47set snmp nnmgr traplevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47set snmp relay traplevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47set snmp remote address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48set snmp remote mask. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-48set snmp remote poll interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49set snmp remote poll timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49set snmp set access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-49set snmp set community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50set snmp stack traplevel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50set snmp state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-50set snmp trap server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-51set snmp traps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-51

Parameters in the SYSLOG group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52Using set syslog level arguments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52set syslog aaa level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-52set syslog airlink level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53set syslog all levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53set syslog config level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-53set syslog nnmgr level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-54set syslog port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-54set syslog relay level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-54set syslog server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-54set syslog stack level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-55set syslog state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-55

Parameters in the TELNET group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56set telnet port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56set telnet remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56set telnet state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-56set telnet timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-57

Parameters in the SYSTEM group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-58set system cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-58set system location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-58set system name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-58set system sector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-59

Parameters in the VLAN group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-60set vlan ethernet pvid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-60set vlan mgmt id. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-60set vlan untagged id . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-61set -d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-61

Show commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-62show . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-62

airping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-67Airping returns SOS message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-68

bind . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-69Binding an IP address to a CPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-69Releasing an IP address assigned to a CPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-70Displaying the status of an IP address assigned to a CPE . . . . . . . . . . . . . . . . . . . . . . . 2-70Displaying help about the bind command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-70

File system commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-71cat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-72

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cd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-72copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-72del . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-73dir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-73rename . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-73

cpedelete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-74cperegister . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-75cpescan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-77date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-78devstats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-79

Clearing statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-80diag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-81exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-82format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-83help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-84host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-85interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-86monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-87quit/exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-88reboot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-89redirect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-90rmtinfo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-92route add . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-93route del . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-94route show . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-95run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-96syslog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-97time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-98vt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-99write command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-100

Chapter 3: CPE commandsOverview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2CPE commands overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3Set commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Abbreviating command strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5Parameters in the AIRLINK group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

set airlink base alg cfg1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6set airlink base alg cfg2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8set airlink base alg cfg3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8set airlink base alg cfg4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9set airlink base alg cfg5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10set airlink check slot 1 success . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10set airlink colorcode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10set airlink disconnect threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11set airlink extended range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12set airlink inactivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13set airlink multislot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13set airlink mobile disconnect threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14set airlink mobile inactivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14set airlink mobile rescan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15set airlink privatemode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15set airlink registration timeout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16set airlink rescan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16set airlink slot 1 success rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17set airlink streamdetect bw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17set airlink streamdetect freq . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18

iv DN09103226

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set airlink streamdetect interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19set airlink voip high modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19set airlink voip inactive timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20set airlink voip no poll timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20set airlink voip tx queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21set airlink voip validate codec . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21

Parameters in the AMOD group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22set amod rx override. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22set amod tx override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22set amod tx mod limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23set amod tx failures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23set amod tx successes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23set amod rx lockout period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24set amod m2 array size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24set amod decrease rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-24set amod increase rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25set amod manual override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-26

Parameters in the DEVICE group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27set device mobile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27set device password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27

Parameters in the FTP group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29set ftp port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29set ftp remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29set ftp state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29set ftp timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30

Parameters in the HOST TRACE group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31set host trace address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31set host trace filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31set host trace state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-32

Parameters in the NET group. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33set net ip address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33set net ip default gateway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33set net ip net mask . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-33

Parameters in the RADIO group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34set radio channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34set radio cpc limit rssi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-34set radio cpc limit ser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35set radio cpc max atten . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-35set radio cpc trigger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36(show) radio pc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-36

Parameters in the RELAY group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37set relay airlink queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37set relay broadcast rate limit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37set relay dhcp timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38set relay ethernet queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38set relay h323. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-38set relay max concat slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39set relay sip port. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39set relay max hosts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39set relay max transit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40set relay proxy ageout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40set relay tcp ul optim. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41set relay shared networking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41

Parameters in the SYSLOG group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42set syslog airlink level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42set syslog all levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42set syslog config level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43set syslog hardware level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43

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set syslog nnmgr level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43set syslog port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44set syslog relay level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44set syslog server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44set syslog stack level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44set syslog state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45

Parameters in the TELNET group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46set telnet port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46set telnet remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46set telnet state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-46set telnet timeout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47

Parameters in the WEB group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48set web port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48set web remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48set web state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48

Show commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50Device group, show only parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-51

Device group Show commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device configuration profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device configuration sig . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device ethernet address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device mobile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device nextnet address, show only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-52show device unit number, show only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53show device configuration version, show only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53show device password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-53

Radio group, show-only parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54show radio pc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-54

Other show-only commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-55File system commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56

cat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-56cd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-57del . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58dir . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58rename . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-58

airping command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-59date command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-60devstats command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-61

Clearing statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-62help command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-63interference command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-64

Downlink symbol counters (-a or -s arguments) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65Fade event counters (-a or -f arguments) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65CPE registration counters (-a or -c arguments). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-65Base station visibility (-a, -v, or -o arguments) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66Co-Channel Power Control statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-66

reboot command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-67route add command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-68route del command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-69route show command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-70rule command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-71

Working with user rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-71Adding user rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-71Deleting user rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-73Showing rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-73

quit/exit command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-74time command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-75

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Contents

upgrade command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-76write command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-77

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Contents

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Listof

Figures

List of Figures

Figure 1-1: Expedience system frame symbol and slot . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12Figure 2-1: Serial connector location on base station . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Figure 3-1: Base station score . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

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List of Figures

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Listof

Tables

List of Tables

Table 1-1: List of Acronyms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Table 1-2: Commands available to a base station . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Table 1-3: Commands available to a CPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8Table 2-1: Base station commands groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Table 2-2: Parameter changes requiring additional action before taking effect . . . . . . . . . . . . . . . . 2-9Table 2-3: Downlink rate based on the modulation method . . . . . . . . . . . . . . . . . . . . . . . . . 2-15Table 2-4: Uplink data rate for the 4-QAM modulation method . . . . . . . . . . . . . . . . . . . . . . . . 2-16Table 2-5: Uplink data rate for the 16-QAM modulation method . . . . . . . . . . . . . . . . . . . . . . . 2-16Table 2-6: Uplink data rate for the 64-QAM modulation method . . . . . . . . . . . . . . . . . . . . . . . 2-16Table 2-7: Uplink data rate for the 16-QAM lite modulation method . . . . . . . . . . . . . . . . . . . . . 2-16Table 2-8: Base station transmit power level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17Table 2-9: SNMP trap levels supported by the Expedience system. . . . . . . . . . . . . . . . . . . . . . 2-45Table 2-10: Syslog levels used by the Expedience system . . . . . . . . . . . . . . . . . . . . . . . . . 2-52Table 2-11: System parameters whose values can be displayed, but not set . . . . . . . . . . . . . . . . . 2-62Table 2-12: System parameters whose values can be set and displayed . . . . . . . . . . . . . . . . . . . 2-65Table 3-1: CPE commandsgroups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Table 3-2: Disconnect threshold level settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11Table 3-3: Dynamically adjusted sync-session stream bandwidth limits. . . . . . . . . . . . . . . . . . . . 3-18Table 3-4: Syslog levels used by the Expedience system . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42Table 3-5: CPE commandsgroups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-50Table 3-6: Options that can be used with the show command . . . . . . . . . . . . . . . . . . . . . . . . 3-50Table 3-7: CPE system parameters whose values cannot be set, but can be shown. . . . . . . . . . . . . . 3-55

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AboutThis

Document

Expedience Operating System Commands andParameters Reference

This manual provides an overview of the Expedience system and information on how to configure and managethe two main components of the system, base stations and CPEs.

NOTEThe CPE is also referred to as a residential subscriber unit (RSU).

This manual is intended for network and system administrators who install, configure, and manage basestations and CPEs and assumes that the administrators are familiar with the following concepts:

Basic networking concepts

Layer 2 (link layer) of OSI model

Routing and switching in IP networks

Basic terminal emulation software

Telnet

What is covered in this document?

The Expedience Operating System Commands and Parameters Reference manual provides detailedinformation about the commands to control and manage the network. This manual provides the followinginformation:

NextNet operating system overview

Base station commands

CPE commands

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About this Document

Related information

For more information, refer to the documents described in the following table:

Guide Description

Expedience System Overview Provides an overview of the Expedience system, itscomponents, its network architecture, and optionsfor selecting a deployment scheme for the systemin the service provider (backbone) network.

Expedience Carrier Infrastructure Installation andConfiguration

Describes how to configure and install the basestation of the Expedience system.

Expedience Access Provider Provides information on the Access Provider (AP)server, System Configuration (SC) application, andBase Station Upgrade application. This manualexplains how to set up and configure the AP server,edit the base station configuration, and configureCPEs. It also describes the base station upgradeprocess.

Expedience ISP Guide Provides an overview of the Expedience system,its components, and its network architecture.

Expedience Outdoor Subscriber Unit Installation Describes how to install and use the Expedienceoutdoor subscriber unit (OSU) to obtain wirelesshigh-speed Internet access.

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Text conventions

Text conventions

The following conventions are used in this document to represent keyboard input text, screen output text, andspecial key sequences.

Input

Characters typed in at the keyboard are shown like this sentence.Items of interest within a command appear like this sentence.

Output

Messages, prompts, file listings, directories, utilities, and environmental

variables that appear on the screen are shown like this sentence.

Items of interest within a screen display appear like this sentence.

Special key sequences

Special key sequences are represented as follows:

CTRL-c or CTRL+C Press the Ctrl and C keys at the same time.

CTRL-SHIFT-c orCTRL+SHIFT+C

Press the Ctrl, Shift, and C keys at the same time.

ALT-f or ALT+F Press the Alt and F keys at the same time.

ALT+SHIFT+F11 Press the Alt, Shift and F11 keys at the same time.

Press the pipe symbol key.

RETURN or ENTER Press the Return or Enter key.

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Summary of changes About this Document

Summary of changes

Changes between document issues are cumulative. Therefore, the latest document issue contains all changesmade to previous issues.

Issue 01

This book is the original issue for Expedience Release 4.6.

The changes in this document between release 4.5.x.x and 4.6.x.x are as follows:

Removed the following:

Using the CPE Web Communicator Application chapter

device override mode command

Added the following:

set airlink voip busy threshold

set airlink voip dl compression

set airlink busy override

Note in the set airlink cpe limit section

Modified the following:

devstats

interference (for base station and CPE)

Changed the enable/disable variables in the commands to enabled/disabled

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Chapter

1

Introduction to the NextNet Operating System(NNOS)

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Overview Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

Overview

This manual describes the NextNet operating system (NNOS), which is the common operating system forthe base station devices and customer premise equipment (CPE) devices in the Expedience system. Thismanual describes how to configure the operating system using commands issued from Telnet, Terminal, ora Web interface.

NOTEBase stations and CPEs are shipped with the default, pre-programmed NNOS settings.

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Acronyms

Acronyms

Table 1-1 List of Acronyms

Acronym Definition

AAA Authentication, Authorization, and AccountingServer

ACK Acknowledgment

AMOD Adaptive Modulation

AP Access Provider

ARP Address Resolution Protocol

CPC Co-channel Power Control

CPE Customer Premise Equipment

CSMA/CA Carrier Sense - Multiple Access with CollisionAvoidance

DHCP Dynamic Host Configuration Protocol

FTP File Transfer Protocol

GPS Global Positioning System

GUI Graphical User Interface

IP Internet Protocol

MAC Media Access Control

MIB Management Information Base

MSU Mobile Subscriber Unit

NAK Negative Acknowledgement

NIC Network Interface Card

NNOS NextNet Operating System

RSSI Received Signal Strength Indicator

RSU Residential Subscriber Unit

RTP Real-time Transport Protocol

SER Symbol Error Rate

SIP Session Initiation Protocol

SNMP Simple Network Management Protocol

SOS Start of Symbol

TCP Transmission Control Protocol

TDD Time Division Duplex

VoIP Voice-over-IP

VLAN Virtual Local Area Network

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NNOS supported applications Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

NNOS supported applications

NNOS supports the following applications:

Airlink ping This command is similar to a ping. The airlink ping sends commands over the airlink torequest a response from a base station to a CPE and from a CPE to a base station. It tests whether anExpedience airlink destination is reachable by sending a communication request to the device and thenwaiting for a system response from that airlink destination.

Syslog client Syslog records system information to a remote Syslog server for processing, withoutrequiring large amounts of local storage or local processing. The Expedience system devices useNNOS to specify a remote server for logging system messages. NNOS supports the following levelsof message severity:

Emergency (level 0)

Error (level 3)

Warning (level 4)

Notice (level 5)

Debug (level 7)

Telnet server NNOS runs a Telnet server. Use Telnet as a command-line interface and to provide aremote login from an Internet Telnet client.

FTP server Use FTP to transfer files to a device by using an FTP client. NNOS runs an FTP server.This server allows FTP client users to transfer files to and from the device.

NOTEThe Expedience system does not support passive mode in FTP clients.

Web access Use the web browser interface to configure and change system settings. This interfaceis available on CPEs only. The web browser interface is not available on the base station.

SNMP access Simple Network Management Protocol (SNMP). The base station runs an SNMP agentsupporting MIB-II and a Nokia Siemens Networks proprietary MIB. The SNMP agent allows a standardway of managing the Expedience system. SNMP capability is not available in the CPE, although theSNMP can manage the CPE through the base station acting as the SNMP agent.

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Using the interfaces of NNOS

Using the interfaces of NNOS

NNOS supports the following three interfaces for configuring and managing an Expedience system device:

Command-line interface The command-line interface is preferred by experienced users and itcan be accessed using Telnet or HyperTerminal.

Web browser interface The web browser interface represents a more graphical user interface (GUI)than the command-line interface and can be used to issue commands.

NOTEThe web browser interface is available only on a CPE.

SNMP interface The SNMP interface (OpenView/Netview) can be used to perform systemconfiguration and management tasks.

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Using the NNOS help system Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

Using the NNOS help system

The help system lists the commands that can be used. Perform Procedure 1-1 to access the help.

Procedure 1-1 Accessing NNOS help

1 From the command line, type one of the following:

help

?

H

2 Press Enter.

Result: The screen displays the commands.

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User and super user modes


The NNOS can be operated on a base station in the user mode (also referred to as NNOS mode) or superuser mode.

The user mode allows to view configuration settings, and to change a limited number of configurationparameters. The super user mode allows to change a wider number of configuration parameters. The superuser mode is not available on the CPE.

Table 1-2 lists the commands available to a base station for the user and super user modes.

NOTEIn Table 1-2 and Table 1-3, indicates that the command is available and X indicates that thecommand is unavailable.

Table 1-2 Commands available to a base station

Command User Super User

airping(with limited arguments) (with expanded arguments)

bind

cat

cd

copy X

cpedelete X

cperegister X

cpescan

ctrl-d

date X

del X

devstats

diag

dir

exit

format X

host X

interference X

monitor X

Continued

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User and super user modes Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

Table 1-2 Commands available to a base station (Continued)

Command User Super User

help

reboot

redirect

rename X

rmtinfo

route

run X

set (with expanded argumentswhen compared to CPEs)

X

show

syslog

time X

vt X

write X

quit

Table 1-3 lists the commands available to a CPE.

Table 1-3 Commands available to a CPE

Command User mode

airping (with limited arguments)

call

calld

cat

cd

copy

ctrl-d

date

del

devstats

dir

exit

format

help

interference

Continued

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Table 1-3 Commands available to a CPE (Continued)

Command User mode

load channel

monitor

reboot

rename

route

route show

rmtinfo

rule

run

set (with limited arguments when compared tobase stations)

show

syslog

upgrade

write

quit

NOTEThe exit or quit command can be used to end a telnet or terminal emulation session.

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Using modes while in the command-line interface Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

Using modes while in the command-line interface

To use the modes in the command-line interface, perform one of the following while connected to a base station:

To operate in user mode, type the user password at the password prompt. The NNOS> prompt appears.Enter only the password; do not enter the user name.

To operate in super user mode, type the super user password at the password prompt. The superuser>prompt appears. Enter only the password; do not enter the user name.

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Time Division Duplex (TDD), frames, slots, andsymbols overview

Time Division Duplex (TDD), frames, slots, and symbols overview

This section provides an overview of how the Expedience system uses the time division duplex (TDD) protocol.It also describes the terms frame, slot, and symbol as they are used in the Expedience system.

Understanding these concepts and terms is important when adjusting the bandwidth available for downstreamcommunication (communication of data from the base station to a CPE) and, as a consequence, the bandwidthavailable for upstream communication (communication of data from the CPE to a base station).

NOTEIn this manual, the term downlink is used to describe downstream communication. Similarly, theterm uplink is used to describe upstream communication.

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TDD in the Expedience system Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

TDD in the Expedience system

Each Expedience base station uses a single RF channel, with a separation between the uplink and downlinkprovided by TDD (time division duplex).

The uplink (CPE transmission) and downlink (base station transmission) alternate within a regular repeatinginterval called a frame. Each frame is further subdivided into separate transmission opportunities or time slots.There are always six time slots in the uplink, and six or more time slots in the downlink portion of each frame

The ratio of uplink slots to downlink slots can be adjusted by changing the NNOS command, set airlinkdownlink bias.

The protocol used by CPEs to gain access to the uplink is a variation on CSMA/CA (Carrier Sense - MultipleAccess with Collision Avoidance). It uses a slotted scheme with reservation. The reservation strategy allows aCPE (with a chain of packets to transmit) to contend for the channel only once at the beginning of the chain,and then transmit the remainder of the chain in the reserved slot, avoiding contention overhead.

Besides the CSMA scheme, the system also provides a low-latency service for supporting real-time, low-latencyVoIP traffic. Instead of the usual contention algorithm, the base station actively polls the CPEs at regularintervals to sustain an ongoing sequence of packet transmissions as required for VoIP service.

A time slot is 165 microseconds in duration. The basic unit of data transmission into one time slot is called asymbol. The amount of data that fits within one symbol varies depending on the modulation level, which isdescribed in Adaptive modulation overview on page 1-13.

Figure 1-1 illustrates the frame, slot, and symbol concepts.

Figure 1-1 Expedience system frame symbol and slot

Frame

Downlink Uplink

Symbol within a slot164.571 microseconds

Symbol within a slot164.571 microseconds

Slot219.129 microseconds

F1_FrameSymbol.eps

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Adaptive modulation overview

Adaptive modulation overview

This section provides an overview of how the NextNet system operates at various modulation levels. Thisability is known as adaptive modulation, or AMOD.

There are four modulation levels available, listed in order from lowest to highest:

4 QAM (also known as QPSK)

16 QAM

64 QAM

16 QAM-lite (which is 16 QAM without Viterbi coding)

Operation at high levels of modulation greatly increases the data rate that can be sustained, and reduces theamount of airlink time required to transfer data. Higher levels of modulation require higher signal quality. TheCPE always tries to use the highest modulation level possible, based on the current signal quality.

The CPE continually monitors the downlink channel to measure the signal quality and to determine themodulation level that can be supported. The CPE shifts modulation automatically in response to changesof signal quality. The shifting points can be adjusted using configuration parameters. In addition, manualintervention to override and set a particular modulation value is possible. However, this method is only adoptedfor testing or diagnostic purposes.

The modulation shifting algorithm works by computing a symbol error rate (SER) at each modulation level. Arepresentative sample of symbols at each modulation level is accumulated to compute the SER. In addition,timers restrict the CPE from excessively shifting in response to rapid changes in the signal quality.

To shift up to a higher modulation, the following apply:

There must be sufficient accumulation of symbols at the higher modulation level, as set by the amodincrease count parameter

There must be adequate SER at the higher modulation level, as set by the amod increaserate parameter

A specified period must have passed since the last up-shift, as set by the amod rx lockoutperiod parameter

A CPE shifts down to a lower modulation rate whenever the SER at the current modulation level is excessive.For shifting down to a lower modulation, the following apply:

Sufficient accumulation of symbols at the current modulation level, as set by the amod decreasecount parameter

At the current modulation level, the SER must drop below a threshold, as set by the amod decreaserate parameter

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Adaptive modulation overview Chapter 1: Introduction to the NextNet OperatingSystem (NNOS)

In general, the adaptive modulation algorithm operates by calculating a SER over an accumulated sample ofobservations. The sample size is adjustable and set by the amod m2 array size . Changing the array sizeaffects the sensitivity of modulation shifting in response to changes of the signal quality.

If the array size is large, then a brief burst of symbol errors has a lingering effect on the computedmodulation level, that is, the device responds slowly.

If the array size is small, then the same brief burst of symbol errors has only a transient effect, as the arrayquickly refills with good symbols and renews the SER value, that is, the device responds more quickly.

The CPE calculates the transmit modulation level used on the uplink separately from the modulation level ituses on the downlink.

Normally, the transmit modulation level follows the receive modulation level. However, in certain cases, thetransmit modulation level splits, and shifts down a level to improve the transmit success on the uplink.

For the transmit modulation to shift down by a level, the following apply:

A specified number of transmit errors occurred, as set by the amod tx failures parameter

For the transmit modulation to shift back up after shifting down, the following apply:

A specified number of successful transmissions, as set by the amod tx successes parameter

A specified period must have passed since the last transmit up-shift, as set by the amod tx lockoutperiod parameter

In addition, the limit of the transmitter can be set to less than the automatic adjustment using the amod txmod limit parameter. Normally, this parameter is used only for testing or diagnostic purposes.

To override the automatic operation of the adaptive modulation algorithm, set the amod manual override.When in the override state, the amod rx override and amod tx override apply to receive modulationand transmit modulation, respectively.

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Chapter

2

Base station commands

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Overview Chapter 2: Base station commands

Overview

This chapter describes commands used for configuring base stations. The parameters can be changed using acommand-line interface. It also describes arguments for the commands and provides command examples.

This chapter explains how to set up a HyperTerminal session when communicating with a base station deviceusing a serial line. It also explains how to set up a Telnet session.

NOTEHyperTerminal is the example emulator used in this manual. If required, a different terminalemulator can be used.

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Setting up a HyperTerminal session

Setting up a HyperTerminal session

A HyperTerminal session can be set up on a PC to communicate with a base station device through a serialline. A HyperTerminal session can be used to perform an initial setup of a device before deployment to the field.

Perform Procedure 2-1 to set up a HyperTerminal session on the Windows operating system.

Procedure 2-1 Setting up a HyperTerminal session

1 From the Startmenu, select Programs, Accessories, Communications, Hyperterminal.

Result: The Connection Description window appears.

2 In the Name field, type a name for the new connection. If desired, select an icon toassociate with the new connection.

3 Click OK.

Result: The Connect To window appears.

4 In the Connect using field, ensure that the COM1 option is selected and then click OK.

Result: The COM1 Properties window appears.

5 Select the following values for the port settings, and then click OK.

Bits per second 19200

Data bits 8

Parity None

Stop bits 1

Flow control None

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Serial connector and cable overview Chapter 2: Base station commands

Serial connector and cable overview

For further information about the serial connector and the cable used to connect the base station to a computer,refer to the Configuring, Installing, and Using Base Stations guide.

The serial cable shipped with the base station has a circular connector on one end, and a DB-9 connector onthe other. Plug the circular connector into the base station. Plug the other end into the computer. Figure 2-1shows the location of the serial connector on the base station.

Figure 2-1 Serial connector location on base station

Antenna connector

J4Serial connectorF1_serial_connector_basestn.eps

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Setting up a Telnet session

Setting up a Telnet session

To use the up and down arrows during a Telnet session, ensure that the Telnet session is configured to useVT100 arrows.

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Base station commands overview Chapter 2: Base station commands

Base station commands overview

The following commands can be used on the base station:airping, bind, cat, cd, copy, cpedelete, cperegister, cpescan, date, del,devstats, diag, dir, file, format, help, host, interference, monitor, reboot,redirect, rename, route, run, syslog, time, vt, and quit/exit

NOTESome of these commands are available only while logged into the operating system using thesuperuser password.

Other commands fall into the following groups:

set

show

write

save

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Set commands

Set commands

Almost all set commands use the following syntax:set

where:

represents the group that the command belongs to. Table 2-1 provides a listing of the groups.

Table 2-1 Base station commands groups

Groups

aaa local system

airlink net telnet

buffers radio vlan

device relay

ftp syslog

represents the parameters that may be changed within the group. For example, the groupbuffers has the following parameters:

large

medium

small

For more information about the parameters for other groups, refer to the appropriate group section inthis chapter.

represents the value to assign to the parameter. For example, the value of the channelparameter can be set to 11. For more information about the values that can be used with parameters,refer to the appropriate parameter section in this chapter.

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Abbreviating command strings Chapter 2: Base station commands

Abbreviating command strings

To issue the command, the user can abbreviate the command string instead of typing the entire command string.

For example, the command set radio early limit 300 can be abbreviated as set ra e l 300.

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Additional action after using set commands

Additional action after using set commands

Table 2-2 lists the parameters which on changing, require an additional action for the changes to take effect. Ifa parameter is not listed in this table, the change takes place immediately.

NOTETable 2-2 applies to base stations only.

Table 2-2 Parameter changes requiring additional action before taking effect

Reboot after modifyingthe parameter

Disable/enable thecorresponding state parameterafter modifying the parameter

Disable/enable the airlink stateafter modifying the parameter

set aaa authority set ftp port set airlink afc

set buffers large set telnet port set airlink colorcode

set buffers medium set web port set airlink downlink bias

set buffers small set airlink downlink power

set dhcp state set airlink max mod level

set ftp state set airlink extended range

set net ip address set airlink max mod level

set net ip default gateway set airlink private mode

set net ip net mask set airlink voip admission ctrl

set relay airlink queue set airlink voip hi mod

set relay ethernet queue set airlink voip no poll timeout

set relay maximum cpe set airlink voip release retries

set relay maximum hosts set airlink voip release retranattempts

set snmp state

set system cell

set system name

set system sector

set system location

set telnet state

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Parameters in the DEVICE group Chapter 2: Base station commands

Parameters in the DEVICE group

The parameters in the DEVICE group are read only and cannot be set. The DEVICE group parameters arelisted in Parameters in the DEVICE group on page 2-26.

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Parameters in the AAA group

Parameters in the AAA group

set aaa authority

Use the set aaa authority command to specify whether the CPE authorization is performed by a remoteAAA server (Expedience AP/PS) or locally on this base station.

NOTEIf the local authorization is used, all CPEs will receive the same provisioning, as determined by theset local parameter group described later. With local authorization, the aaa state still needs tobe enabled for the authorization subsystem to function.

To view the current authority being used, use the devstats -x command.

Syntax set aaa authority {local | remote}

Arguments andvariables local indicates that CPE authorization will be performed locally,

without the need for a separate AAA server.To allow the local authority setting to work, set the aaa state to enabledand set the aaa authority to local.

remote indicates that a remote AAA server is used to grant networkaccess to CPEs.

Example To ensure that the AAA server is used to grant access to CPEs:set aaa authority remote

set aaa port

Use the set aaa port command to notify the base station the port on which the AAA server is listening.

Syntax set aaa port {port number}

Arguments andvariables

port number specifies the port on which the AAA server is listening.

Action requiredfor the changesto take effect

Disable and then enable the aaa state.

Example To set the port number to 12541:set aaa port 12541

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Parameters in the AAA group Chapter 2: Base station commands

set aaa server address

Use the set aaa server address command to specify the IP address of the access provider (AP) server.

Two IP addresses can be set. If the connection to the first address fails, NNOS automatically switches tothe second.

Syntax set aaa server {primaryIPaddress} {secondaryIPaddress}

Arguments andvariables primaryIPaddress specifies the address of the server that is

running the AP server. This server is the one that receives CDRs.

secondaryIPaddress specifies the address of the backup server.


Disable and then enable the aaa state.

Example To set the AP server address:set aaa server 145.26.7.1

set aaa state

Use the set aaa state command to activate or de-activate the AAA server connection. If using a localauthority, set the aaa state to enabled and set the aaa authority to local.

Syntax set aaa state {enabled | disabled}

Arguments andvariables enabled activates the connection to the AAA server.

disabled disconnects from the AAA server.

Example To activate the AAA server feature:set aaa state enabled

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Parameters in the AIRLINK group


set airlink busy override

The busy override parameter enables external control of the base station busy status. (See set airlink cpelimit on page 2-13 for more information on the base station busy status.)

If the busy override parameter is enabled, the BTS expects the base station load balancing feature (within theAP server) to control the busy status. The load balancer observes the number of CPEs on each BTS in a set ofmonitored base stations and sets the busy status as required to balance the loading within the set.

To place the BTS within a load balancer monitor set, this parameter must be enabled.

Syntax set airlink busy override [enabled | disabled]

Arguments andvariables enabled the busy bit is controlled by an automatic mechanism. (The

airlink CPE limit value is ignored.)

disabled the airlink CPE limit value is used.

The default setting is disabled.

Example To add the BTS to the load balancer:set airlink busy override enabled

set airlink cpe limit

The cpe limit parameter enables an alternate mechanism for asserting base station busy status. Base stationbusy is a status that is advertised on the airlink and visible to CPE devices. CPEs that observe base stationbusy when scanning for available base stations prefer to select an alternate base if one is available.

Normally, the base station asserts the busy status when its uplink or downlink saturation values exceeda threshold.

When this parameter is set, the base station asserts the busy status when the count of registered CPEsexceeds this limit. Setting this parameter results in a more balanced CPE fleet across a set of base stations,because as soon as the CPE count on a base station exceeds this limit, subsequent CPEs tend to register withalternate base stations.

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Parameters in the AIRLINK group Chapter 2: Base station commands

Setting this parameter to 0 disables this feature, allowing the busy status to be asserted by the normal trafficthreshold technique.

Syntax set airlink CPE limit {variable}


{variable} is a value within the range 0 750. The default setting is 0.


The parameter setting takes effect immediately (that is, no reboot or airlinkrestart is required).

Example To set a CPE limit of 8:set airlink CPE limit 8

NOTESetting the airlink busy override to enabled will effectively override this parameter setting. See setairlink busy override on page 2-13.

set airlink colorcode

Use the set airlink colorcode command to set the color that is advertised by this base station.

The color code feature is used to limit CPE roaming across network boundaries. Color codes are set on basestations to identify the scope of a specific network. When a CPE first connects to a color-coded network, ittends to stay connected to that color rather than connect to a base of a different color. The color code assignedto a base station becomes the home color of a CPE when the CPE first registers for service in a network. To beable to roam, the CPE must roam to a base station whose color code assignment is the same as the homecolor of the CPE. CPEs can also roam if the color code of the base station is 0.

A base station continually broadcasts its assigned color code. CPEs monitoring the downlink then observe thebroadcast code, to determine whether they can register with a particular base station.

Syntax set airlink colorcode {number}

number specifies a color code number ranging from 0 to 15 to assign to abase station.

Assigning a value of 1 to 15 to a base station indicates that the network usescolor codes to limit CPE roaming.


The color code 0 indicates that a CPE is not prohibited from roaming in orout of the area served by a base station assigned with a color code of 0;that is, assigning a color code of 0 indicates that the roaming of CPEs is notlimited by color code.


Disable and then re-enable the airlink. For more information, refer to thecommand set airlink state on page 2-19.

Example To assign a color code of 3 to a base station:set airlink colorcode 3

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set airlink downlink bias

The set airlink downlink bias command allows adjusting of the ratio between the upstream anddownstream portions of the airlink frame.

To use this command properly, it is recommended to understand the terms and concepts described in TimeDivision Duplex (TDD), frames, slots, and symbols overview on page 1-11.

NOTEAll base stations within the system must have the same downlink bias. If using older (legacy)QPSK-only CPE devices in a system that also contains AMOD CPEs, do not use bias 1. (LegacyQPSK-only CPEs are incompatible at bias 1.)

For the changes to take effect after changing the airlink downlink, disable and then re-enable the airlink. Formore information, refer to the command set airlink state on page 2-19.

Syntax set airlink downlink bias {biasnumber}

biasnumber is a value between 0 and 5.Arguments andvariables

Refer Table 2-3 to see how many bits per second (bps) can be transmittedthrough the downlink, according to the bias number.


Disable, and then re-enable the airlink. For more information, refer to thecommand set airlink state on page 2-19.

Example To set the downlink bias to 3:set airlink downlink bias 3

NOTETable 2-3 through Table 2-7 show the total aggregate bits per second supported by the downlinkand uplink when the bias is set to a specific variable using the set downlink bias command.Total aggregate means that a single CPE does not see the entire rate; all CPEs share the rate.

Table 2-3 Downlink rate based on the modulation method

4-QAM 16-QAM 64-QAM 16-QAM lite

Bias Downlink rate Downlink rate Downlink rate Downlink rate

0 1,337,358 2,100,580 2,863,803 3,627,025

1 1,719,413 2,975,037 4,230,661 5,486,284

2 2,127,308 3,906,987 5,686,667 7,466,347

3 2,294,515 4,288,741 6,282,967

4 2,424,466 4,587,929 6,750,392

5 2,530,766 4,828,640 7,126,514

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Table 2-4 describes the uplink data rate when the modulation method is 4-QAM.

Table 2-4 Uplink data rate for the 4-QAM modulation method

Bias Uplink all 1 slot 2 slot

0 1,314,152 210,264 431,545

1 1,080,996 172,959 354,981

2 835,728 133,716 274,439

3 735,804 117,729 241,625

4 657,076 105,132 215,772

5 593,488 94,958 194,891




0 2,867,241 438,051 926,489

1 2,358,537 360,332 762,112

2 1,823,407 278,576 589,196

3 1,605,391 245,268 518,749

4 1,433,620 219,025 463,245

5 1,294,883 197,829 418,415




0 3,942,456 584,068 1,260,876

1 3,242,988 480,443 1,037,172

2 2,507,184 371,435 801,847

3 2,207,412 327,024 705,974

4 1,971,228 292,034 630,438

5 1,780,464 263,772 569,428

Table 2-7 describes the uplink data rate when the modulation method is 16 QAM lite.

Table 2-7 Uplink data rate for the 16-QAM lite modulation method


0 5,256,608 750,944 1,661,571

1 4,323,964 617,712 1,366,777

2 3,342,912 477,559 1,056,668

Continued

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Table 2-7 Uplink data rate for the 16-QAM lite modulation method (Continued)


3

4

5

set airlink downlink power

The set airlink downlink power command defines the transmit power level of the base station. Thedownlink power value notifies the CPE about the power level that the base station is using.

For the changes to take effect after changing the airlink downlink, disable and then re-enable the airlink. Formore information, refer to the command set airlink state on page 2-19.

Syntax set airlink downlink power {variable}

variable is a value ranging between 10 (maximum power) and thedownlink power-limit. To view the minimum airlink downlink power, usethe show command to display the value of the airlink downlinkpower-limit parameter. This parameter is read-only.


See Table 2-8 for the power levels associated with the power values thatcan be set.



Example To set the transmit power to 33 dB at 2 watts:set airlink downlink power 10

Table 2-8 lists the power values that can be defined using the set airlink downlink power command,and some associated power levels.

Table 2-8 Base station transmit power level

Power value Power level

10 +33 dB 2.0 Watts

.

.

13 +30 dB 1.0 Watt

.

.

16 +27 dB 500 milliWatts

.

.

23 +20 dB 100 milliWatts

Continued

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Table 2-8 Base station transmit power level (Continued)

Power value Power level

.

.

31 +12 dB 15.8 milliWatts

set airlink extended range

The set airlink extended range command enables some or all CPEs to operate outside of the normal5 mile call radius, up to a distance of 18 miles. The base station broadcasts this extended range value. TheCPEs observe this value when they attempt to determine their range to this base station. CPEs outside of therange limit will not attempt to register with this base.

The commands used to activate the extended range feature differ for base stations and CPEs. For informationabout how to configure an extended range on a CPE, refer to Chapter 3 CPE commands.

Syntax set airlink extended range {0|1|2|3}

Arguments andvariables 0 indicates that no CPE uses the extended range feature. The cell

radius is 5 miles.

1 indicates that the cell radius is up to 10 miles.





Example To set the extended range to 20 miles:set airlink extended range 3

set airlink max mod level

The set airlink max mod level command specifies the maximum modulation level that this basestation will use on the airlink.

For more information about the modulation methods, and the methods which produce greater or lesserthroughput, refer to Adaptive modulation overview on page 1-13.

Syntax set airlink max mod level {variable}


variable is a number that corresponds to a modulation method.

0 = 4 QAM

1 = 16 QAM

Continued

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2 = 64 QAM

5 = 16 QAM lite

To view the maximum modulation level that can be reached, usethe show command to display the value of the airlink max modlevel-limit parameter. This parameter is read-only.



Example To set the highest possible modulation method of a device to 64-QAM:set airlink max mod level 2

set airlink privatemode

The set airlink privatemode command allows for testing a newly deployed base station in an existingnetwork. This parameter does not allow CPEs to access the newly deployed base station until the basestation is ready to be fully operational.

When the command is enabled on the base station, the base station broadcasts a specially modified version ofthe airlink frame. CPEs cannot read this frame unless this feature is enabled on the CPE.

Syntax set airlink privatemode {enabled | disabled}

Arguments andvariables enabled activates the feature, and the newly deployed base station

sends out a special version of the airlink.

disabled de-activates the feature. Set the parameter to disabledwhen the new base station is ready to accept regular network trafficfrom CPEs.


Reboot the base station.

Example To enable the airlink private mode feature:set airlink privatemode enabled

set airlink state

The set airlink state command activates or de-activates the base station transmitter and the airlink.

NOTEBefore enabling the airlink, ensure to specify the frequency and bandwidth of the channels thesystem uses, by using the set radio channel command.

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Syntax

set airlink state {enabled | disabled}

NOTESetting the airlink state to enabled when it is already enabledwill toggle the airlink; that is, it briefly stops, and then starts. Thissetting is useful for enabling any configuration changes that takeeffect when the airlink restarts. The CPE may disconnect, andVoIP calls are dropped when the airlink is toggled.

Arguments andvariables enabled activates the airlink.

disabled de-activates the airlink.


The airlink will start or stop immediately.

Example To activate the airlink:set airlink state enabled

If the set airlink state enabled command is used to quickly reset the airlink, the base station willdelete active VoIP calls with CPEs. The CPEs may maintain their registration with the base station dependingon their disconnect threshold setting. Since the toggle takes a few seconds, a CPE with a disconnect thresholdunder 13 will experience a disconnect/reconnect. If the CPE experiences a disconnect/reconnect, the VoIPcalls will be restored when the CPE reconnects, since the CPE passes the call information up to the base whenit re-registers. If the CPE does not actually disconnect, then the VoIP call that was deleted on the base willn

expedience operating system commands and parameters reference

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