product overview part iv lane services (lsm) pnni, dhcp relay, group mobility, ip multicast...
TRANSCRIPT
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Product OverviewProduct OverviewPART IVPART IV
Product OverviewProduct OverviewPART IVPART IV
LANE Services (LSM)PNNI, DHCP Relay,
Group Mobility, IP MulticastTriggered IP & IPX
OmniChannel, Omni Switch/Router, Gigabit
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ATM LANE Service Module (LSM)ATM LANE Service Module (LSM)
LSM module LANE services integrated on the Management LANE services integrated on the Management
Processor Module (MPM)Processor Module (MPM) LES-BUSLES-BUS LECSLECS LECS InterfaceLECS Interface ATM ManagerATM Manager Connection ManagerConnection Manager NI Driver and BUS data forwarding engineNI Driver and BUS data forwarding engine
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ATM LANE Service Module (LSM)ATM LANE Service Module (LSM)
ILMI MIB
LECS_1
Primary LES/BUS
Backup
LES/BUS
Redundancy VCC
LEC
LECS_2
LECS_1
LECS_2
LES/BUS redundancy
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ATM LANE Service Module (LSM)ATM LANE Service Module (LSM)
Design constraints one LECS per OmniSwitchone LECS per OmniSwitch each LES-BUS is associated with a single physical each LES-BUS is associated with a single physical
ATM interfaceATM interface maximum of 128 parties on a p2mp connectionmaximum of 128 parties on a p2mp connection maximum of 64 components per ATM physical portmaximum of 64 components per ATM physical port 4MB of flash memory4MB of flash memory no broadcast control management like the MSSno broadcast control management like the MSS
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ATM LANE Service Module (LSM)ATM LANE Service Module (LSM)
VCC resources constraints 1024 active VCCs – limit of LECs joined1024 active VCCs – limit of LECs joined 1024 p2mp connections – limit of LES-BUS instances1024 p2mp connections – limit of LES-BUS instances
Guideline:
with ASM: maximum of 80 LECS, 4 ELANswith ASM: maximum of 80 LECS, 4 ELANs with ASM-2: maximum of 300 LECS, 10 ELANswith ASM-2: maximum of 300 LECS, 10 ELANs
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What Is PNNI?What Is PNNI?
A routing protocol multilevel hierarchical routing modelmultilevel hierarchical routing model topology distribution mechanismtopology distribution mechanism generic CAC algorithmgeneric CAC algorithm support UNI 3.1 capabilities (ptp and ptmp)support UNI 3.1 capabilities (ptp and ptmp) enable scalability of hundreds / thousands of enable scalability of hundreds / thousands of
switchesswitches
NNI signaling specification network-to-network signaling based on UNI 3.1network-to-network signaling based on UNI 3.1
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PNNI: private “network-network” or “network-node” interface
Provides the ability to create a scaleable, full- function, dynamic, multi-vendor ATM network
- or-ATM Network ATM Network
PNNIPNNI
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DHCP relayDHCP relay
The UDP Relay feature provides a mechanism for forwarding UDP / IP broadcast packets between VLANs
Useful for DHCP in VLANs
Port PoliciesPort Policies
MAC address PoliciesMAC address Policies
IP Subnet PoliciesIP Subnet Policies
IPX Subnet PoliciesIPX Subnet Policies
Protocol Type PoliciesProtocol Type Policies
Multicast PoliciesMulticast Policies
Authenticated User PoliciesAuthenticated User Policies
DHCP Port PoliciesDHCP Port Policies
DHCP MAC PoliciesDHCP MAC Policies
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DHCP relay with external routerDHCP relay with external router
130.0.0.15
130.0.0.11 130.0.0.12
130.0.0.13
130.0.0.14
Port 2130.0.0.10
DHCP Server125.0.0.2
125.0.0.1125.0.0.3
Port 1 Group 1
BOOTP Relay
OmniSwitch
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DHCP with internal routerDHCP with internal router
130.0.0.15
130.0.0.13
130.0.0.14
DHCP Server125.0.0.2
125.0.0.1 Group 3Group 2
Router
130.0.0.21125.0.0.21
BOOTP Relay
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Group mobility detailsGroup mobility details
AutoTracker supports 96 Groups with 32 VLANs / group
Group mobility adds a new capability to move between groups, rather than only within VLANs Groups are viewed as VLANs, so now we can
configure up to 500 VLANs (really groups) in the OmniSwitch
if there are no users active on the VLAN group then the if there are no users active on the VLAN group then the group is inactivegroup is inactive
when a user attaches and matches the policies, the when a user attaches and matches the policies, the group becomes activegroup becomes active
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Group mobility detailsGroup mobility details
Group mobility also provides dynamic auto-activation of LAN Emulation clients
saves switch resourcessaves switch resources saves network resourcessaves network resources scalable for large networksscalable for large networks a group can have an elan name attribute associated a group can have an elan name attribute associated
with it, so when a group becomes active the with it, so when a group becomes active the associated LEC attaches to the ELANassociated LEC attaches to the ELAN
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How does this all work?How does this all work?
The default group (Group #1) is used as a holding group for all ports participating in group mobility
AutoTracker rules operates the same; just use a AutoTracker rules operates the same; just use a group other than default Group #1 for AutoTracker if group other than default Group #1 for AutoTracker if you are also using group mobilityyou are also using group mobility
all ports on the default group are candidates to move all ports on the default group are candidates to move to one of the configured mobile groups to one of the configured mobile groups
groups now have a new group mobility flag groups now have a new group mobility flag if this flag is set the group is participating in group if this flag is set the group is participating in group
mobility and policies are applied at the group levelmobility and policies are applied at the group level
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
When a new user comes on-line,AutoTracker observes his traffic andapplies it to policies of definedgroups.
When a new user comes on-line,AutoTracker observes his traffic andapplies it to policies of definedgroups.
Group mobilityGroup mobility
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
The required Groupis created.
The required Groupis created.
Group mobilityGroup mobility
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
The switch then joinsthe ELAN mapped tothat Group.
The switch then joinsthe ELAN mapped tothat Group.
Group mobilityGroup mobility
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
Traffic matching onanother Group isobserved.
Traffic matching onanother Group isobserved.
Group mobilityGroup mobility
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
The required ELANis joined.
The required ELANis joined.
Group mobilityGroup mobility
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OmniSwitch
ELANELAN
ELANELAN
ELANELAN ELANELAN
ELANELAN
ELANELAN
AutoTracker
LANE 1.0Backbone
HUBHUB
Group Mobility works withshared media hubs sinceAutoTracker providesGroup mapping for bothPorts and MACs.
Group Mobility works withshared media hubs sinceAutoTracker providesGroup mapping for bothPorts and MACs.
Group mobilityGroup mobility
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Group mobilityGroup mobility
AutoTracker rules without group mobility; restricts any port to join only one of 32 VLANS without port reassignments
group mobility expands that to 500 VLANs (groups)group mobility expands that to 500 VLANs (groups) a user can belong to any of 500 groups, and can belong a user can belong to any of 500 groups, and can belong
to multiple groups at the same timeto multiple groups at the same time
Group mobility allows users with multiple stacks to join multiple groups using the same AutoTracker policies
the first policy match becomes the spanning tree the first policy match becomes the spanning tree mastermaster
additional policy matches do not generate BPDUsadditional policy matches do not generate BPDUs
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Server
8 OC-1216 LEC / interface128 Subnets
4 OC-364 LECS
4 OC-364 LECS
ATM SWITCH
A user can join any of 64 subnets dynamicallyA user can join any of 64 subnets dynamically
Group mobility exampleGroup mobility example
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IP Multicast RoutingIP Multicast Routing&&
IP Multicast SwitchingIP Multicast Switching (IPMS) (IPMS)
IP Multicast RoutingIP Multicast Routing&&
IP Multicast SwitchingIP Multicast Switching (IPMS) (IPMS)
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What is multicast traffic?What is multicast traffic?
Similar to broadcast traffic
It’s like selective broadcast
Only those that request the traffic get it
Allows a one to many communication rather than one to one
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UnicastUnicast
MulticastMulticast
Multicast versus unicast Multicast versus unicast
unicast sends one packet per destinationunicast sends one packet per destination multicast sends one packet for many destinationsmulticast sends one packet for many destinations
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Why is multicast so great?Why is multicast so great?
It conserves bandwidth Uses for multicast:
resource discovery (OSPF, RIP2, Bootp)resource discovery (OSPF, RIP2, Bootp) multipoint file transfer (Starburst Com.)multipoint file transfer (Starburst Com.) conferencing: many to many (CuSeeMe)conferencing: many to many (CuSeeMe) video netcasting (Precept Software IPTV)video netcasting (Precept Software IPTV) redundant systems (parallel databases)redundant systems (parallel databases) battlefield simulations (parallel processing)battlefield simulations (parallel processing) information distribution in data warehousinginformation distribution in data warehousing
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What is multicast routing?What is multicast routing?
Details: multicast router knows who wants trafficmulticast router knows who wants traffic finds out who is sending the trafficfinds out who is sending the traffic delivers traffic only to those who want itdelivers traffic only to those who want it routers communicate with each other and users to routers communicate with each other and users to
gather the informationgather the information once information is shared, the traffic is sent where it once information is shared, the traffic is sent where it
needs to goneeds to go
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Protocols implementedProtocols implemented
Most commonly used protocols: IGMP (Internet Group Management Protocol)IGMP (Internet Group Management Protocol)
RFC 1112 (V2 described in draft)RFC 1112 (V2 described in draft)
DVMRP (Distance Vector Multicast Routing Protocol)DVMRP (Distance Vector Multicast Routing Protocol) RFC 1075 (v3 described in draft)RFC 1075 (v3 described in draft) used between routers to exchange multicast route used between routers to exchange multicast route
informationinformation
Internet’s MBONE built using these protocols
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Group 1 membership
Group 1 Source
Group 1 membership
DVMRP routing treeDVMRP routing tree
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Group 1 membership
Group 1 Source
Group 1 membership
DVMRP tree after pruningDVMRP tree after pruning
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Why is IPMS so much better?Why is IPMS so much better?
IPMS (IP Multicast Switching):
intercepts IGMP intercepts IGMP packets to track packets to track membership by SVPN membership by SVPN (source virtual port (source virtual port number), rather than number), rather than by networkby network
client application client application requests membership requests membership in a multicast group; in a multicast group; only those members only those members will receive the will receive the multicast trafficmulticast traffic
Traffic is controlled by port rather than by network
Performance significantly improved because forwarding decision is made by network interface
All port forwarding lists are established dynamically; no configuration required
Co-exists with existing multicast VLANs
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IP / IPX Filtering IP / IPX Filtering IP / IPX Filtering IP / IPX Filtering
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Triggered IPX supportTriggered IPX support
RFC 2091: only changed info, rather than all info, is sentonly changed info, rather than all info, is sent receiver is able to apply changes immediatelyreceiver is able to apply changes immediately reduced routing traffic and uses less memoryreduced routing traffic and uses less memory no periodic broadcasts of “redundant” informationno periodic broadcasts of “redundant” information
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IP RIP filtersIP RIP filters
RIP inputinput filters control which networks are allowed into the routing control which networks are allowed into the routing
table when IP RIPs are receivedtable when IP RIPs are received
RIP outputoutput filters control the list of networks included in routing control the list of networks included in routing
updates sent out an interface; this controls which updates sent out an interface; this controls which networks the router advertises in its IP RIP updatesnetworks the router advertises in its IP RIP updates
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IPX Watchdog spoofingIPX Watchdog spoofing
Why? to prevent IPX Watchdog packets from initiating to prevent IPX Watchdog packets from initiating
connections on dial-on-demand links when no other connections on dial-on-demand links when no other data is being sentdata is being sent
This feature will allow the Xylan router to respond to a server’s Watchdog requests on behalf of a remote client.
the Watchdog query packet will never cross the WAN the Watchdog query packet will never cross the WAN link if IPX Watchdog spoofing is enabledlink if IPX Watchdog spoofing is enabled
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NetWare Serialization packet filtersNetWare Serialization packet filters
NetWare Serialization packet filtering: If serialization packet filtering is enabled on a WAN If serialization packet filtering is enabled on a WAN
interface, when the router receives a serialization interface, when the router receives a serialization packet, it will drop the packet instead of activating a packet, it will drop the packet instead of activating a dial-up linkdial-up link
NetWare Serialization packets will never cross a WAN NetWare Serialization packets will never cross a WAN link which has filtering enabledlink which has filtering enabled
There is one drawback: this can allow users to bypass Novell’s licensing this can allow users to bypass Novell’s licensing
schemescheme
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OmniChannelOmniChannelOmniChannelOmniChannel
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OmniChannel features and benefitsOmniChannel features and benefits
Aggregation of bandwidth
OmniChannel allows OmniChannel allows up to 4 switch ports to up to 4 switch ports to be aggregated together be aggregated together as one high-speed pipe as one high-speed pipe
Existing technology
uses the same existing uses the same existing networking networking technologies available technologies available today, such as Fast today, such as Fast Ethernet Ethernet
Load balancing evenly distributes evenly distributes
network data between network data between all of the aggregated all of the aggregated links links
Scalability OmniChannel OmniChannel
backbones easily scale backbones easily scale from 100 Mbps to 800 from 100 Mbps to 800 MbpsMbps
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OmniChannelOmniChannel
One destination
Many destinations
Load balance on source address
Load balance on destination address
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OmniChannelOmniChannel
How OmniChannel works OmniChannel supports OmniChannel supports
load balancing, load balancing, flooding, spanning tree flooding, spanning tree BPDUs, and a failed BPDUs, and a failed linklink
Load balancing incoming packets are incoming packets are
assigned in a round-assigned in a round-robin fashion to one robin fashion to one OmniChannel link, OmniChannel link, offering even offering even distribution of the distribution of the traffic over each linktraffic over each link
One high-speed pipe a group of a group of
OmniChannel links OmniChannel links behaves exactly as a behaves exactly as a single high-speed linksingle high-speed link
Resiliency sub-second recovery sub-second recovery
in the event of a link in the event of a link failurefailure
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400 Mbps 400 Mbps
800 Mbps A
B C
OmniChannelOmniChannel
High-speed backbone/server solution The following application uses two 400 Mbps The following application uses two 400 Mbps
OmniChannel links into a centralized OmniSwitch; OmniChannel links into a centralized OmniSwitch; the central OmniSwitch then connects to a Sun the central OmniSwitch then connects to a Sun server at 800 Mbpsserver at 800 Mbps
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800 MbpsTotal 400 Mbps
400 Mbps
400 Mbps
A
B C
OmniChannelOmniChannel
Resilient backbone solutions this application uses multiple paths from Switch A to this application uses multiple paths from Switch A to
Switch B for a total of 800 Mbps; an alternate path is Switch B for a total of 800 Mbps; an alternate path is used for two of the backbone links to protect the used for two of the backbone links to protect the backbone from a single catastrophic event, such as a backbone from a single catastrophic event, such as a backhoe break, from bringing down the backbone backhoe break, from bringing down the backbone between Switches A and Bbetween Switches A and B
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Omni Switch/RouterOmni Switch/RouterOmni Switch/RouterOmni Switch/Router
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OmniS/R is a powerful Gigabit switchOmniS/R is a powerful Gigabit switch
8
16
32
64
256
256
1 10 100 1000
P-o-SONET
ATM
GE
FR
10/100
TR
22 Gbps switching fabric
12 Mpps layer-three switching
Up to 19 RISC processors
Up to 61 Xylan-designed switching ASICs
Up to 32 Gigabit Ethernet ports
Maximum port densityMaximum port density
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Mgmt. Processor
Firewall
ATM Uplink Module
OC-12 SAR
LEC(s)
10/100 Ethernet Switching Module
HardwareRtg. Engine
Gigabit Ethernet Switching Module
HardwareRtg. Engine
OmniS/R architectureOmniS/R architecture
OmniS/R system capacity: switching capacity: 22 switching capacity: 22
GbpsGbps sustained: 11.5 Gbpssustained: 11.5 Gbps
OmniS/R distributed layer-three switching
12 million pps12 million pps
22 Gbps Frame Fabric
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Omni Switch/Router featuresOmni Switch/Router features
Non-blocking frame fabric
On-board switching
Full duplex
Extended burst capacity
Standards-compliant flow control
High-performance routing
Complete network management
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OmniS/R layer-three switchingOmniS/R layer-three switching
HRE-X: fully distributed, multi-protocol layer-three fully distributed, multi-protocol layer-three
switching ASICswitching ASIC IP and IPXIP and IPX RIP, RIP II, OSPF, RIP, RIP II, OSPF,
IP Multicast, IP Multicast, DCHP relayDCHP relay
12 Mpps / switch12 Mpps / switch
one HRE-X per bladeone HRE-X per blade
ISP-class table sizeISP-class table size 256,000 route entries256,000 route entries 64,000 next-hop destinations64,000 next-hop destinations
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MPX: Management Processor ModuleMPX: Management Processor Module
Management Processor Module for OmniS/R (MPX)
contains a slot for 1 high-speed uplink port, an out-contains a slot for 1 high-speed uplink port, an out-of-band Ethernet port, and the standard front-panel of-band Ethernet port, and the standard front-panel DB-9 console and modem ports.DB-9 console and modem ports.
8MB of Flash, and 16MB RAM standard8MB of Flash, and 16MB RAM standard Supports both OmniS/R and VBUS Supports both OmniS/R and VBUS
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ESX modules for OmniS/RESX modules for OmniS/R
Ethernet and Fast Ethernet OmniS/R modules ESX-100C-12WESX-100C-12W
12-port 10/100BaseTX switching module12-port 10/100BaseTX switching module ESX-100C-12W-L3ESX-100C-12W-L3
12-port 10/100BaseTX switching module with HRE-X12-port 10/100BaseTX switching module with HRE-X ESX-100FM-8WESX-100FM-8W
8-port multimode fiber 100BaseFX switching module8-port multimode fiber 100BaseFX switching module ESX-100FM-8W-L3ESX-100FM-8W-L3
8-port multimode fiber 100BaseFX switching module with HRE-8-port multimode fiber 100BaseFX switching module with HRE-XX
ESX-100FS-8WESX-100FS-8W 8-port single mode fiber 100BaseFX switching module8-port single mode fiber 100BaseFX switching module
ESX-100FS-8W-L3ESX-100FS-8W-L3 8-port single mode fiber 100BaseFX switching module with 8-port single mode fiber 100BaseFX switching module with
HRE-XHRE-X
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High density ESX modules for OmniS/RHigh density ESX modules for OmniS/R
Ethernet and Fast Ethernet OmniS/R modules ESX-100C-32WESX-100C-32W
32-port 10/100BaseTX switching module, 1K CAM32-port 10/100BaseTX switching module, 1K CAM
ESX-100C-32W-L3ESX-100C-32W-L3 32-port 10/100BaseTX switching module with HRE-X32-port 10/100BaseTX switching module with HRE-X
Features: More than 250 switched 10/100 Ethernet ports in a More than 250 switched 10/100 Ethernet ports in a
single Omni-9 chassissingle Omni-9 chassis IEEE 802.1x Flow Control provides backoff message IEEE 802.1x Flow Control provides backoff message
to sending stations, preventing overflow of input data to sending stations, preventing overflow of input data ports.ports.
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Gigabit Ethernet Modules for OmniS/RGigabit Ethernet Modules for OmniS/R
GSX-FM-2W or 4WGSX-FM-2W or 4W 2-port or 4 port 1000BaseSX Gigabit switching module 2-port or 4 port 1000BaseSX Gigabit switching module
GSX-FM-2W-L3 or 4W-L3GSX-FM-2W-L3 or 4W-L3 2-port or 4 port 1000BaseSX Gigabit switching module with 2-port or 4 port 1000BaseSX Gigabit switching module with
HRE-XHRE-X
GSX-FS-2W or 4WGSX-FS-2W or 4W 2-port or 4 port 1000BaseLX Gigabit switching module 2-port or 4 port 1000BaseLX Gigabit switching module
GSX-FS-2W-L3 or 4W-L3GSX-FS-2W-L3 or 4W-L3 2-port or 4 port 1000BaseLX Gigabit switching module with 2-port or 4 port 1000BaseLX Gigabit switching module with
HRE-XHRE-X
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Token Ring Switching Modules for OmniS/RToken Ring Switching Modules for OmniS/R
TSX-CD-16W-4CTSX-CD-16W-4C 16 port Token Ring Switching Module, UTP/STP16 port Token Ring Switching Module, UTP/STP
TSX-CD-16W-4C-L3TSX-CD-16W-4C-L3 16 port Token Ring Switching Module, UTP/STP w/ HRE-X16 port Token Ring Switching Module, UTP/STP w/ HRE-X
TSX-CD-32W-4CTSX-CD-32W-4C 32 port Token Ring Switching Module, UTP/STP32 port Token Ring Switching Module, UTP/STP
TSX-CD-32W-4C-L3TSX-CD-32W-4C-L3 32 port Token Ring Switching Module, UTP/STP w/ HRE-X32 port Token Ring Switching Module, UTP/STP w/ HRE-X
TSX-F-8W-4CTSX-F-8W-4C 8 port Token Ring Switching Module, fiber8 port Token Ring Switching Module, fiber
TSX-F-8W-4C-L3TSX-F-8W-4C-L3 8 port Token Ring Switching Module, fiber w/ HRE-X8 port Token Ring Switching Module, fiber w/ HRE-X
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Wide Area Switching Modules for OmniS/RWide Area Switching Modules for OmniS/R
WSX-S-2W-4CWSX-S-2W-4C 2 port WAN Switching Module; serial ports2 port WAN Switching Module; serial ports
WSX-S-2W-4C-L3WSX-S-2W-4C-L3 2 port WAN Switching Module with HRE-X; serial ports2 port WAN Switching Module with HRE-X; serial ports
WSX-S-4W-4CWSX-S-4W-4C 4 port WAN Switching Module; serial ports4 port WAN Switching Module; serial ports
WSX-S-4W-4C-L3WSX-S-4W-4C-L3 4 port WAN Switching Module with HRE-X; serial ports4 port WAN Switching Module with HRE-X; serial ports
WSX-S-8W-4CWSX-S-8W-4C 8 port WAN Switching Module; serial ports8 port WAN Switching Module; serial ports
WSX-S-8W-4C-L3WSX-S-8W-4C-L3 8 port WAN Switching Module with HRE-X; serial ports8 port WAN Switching Module with HRE-X; serial ports
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Wide Area Switching Modules for OmniS/RWide Area Switching Modules for OmniS/R
WSX-BRI-SC-1W [2W]-4CWSX-BRI-SC-1W [2W]-4C 1 or 2 serial port BRI WAN Switching module supports PPP 1 or 2 serial port BRI WAN Switching module supports PPP
or Frame Relay or Frame Relay
WSX-BRI-SC-1W [2W]-4C-L3WSX-BRI-SC-1W [2W]-4C-L3 1 or 2 serial port BRI WAN Switching module supports PPP 1 or 2 serial port BRI WAN Switching module supports PPP
or Frame Relay; with HRE-Xor Frame Relay; with HRE-X
WSX-FE1-SC-1W [2W]-4CWSX-FE1-SC-1W [2W]-4C 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both
support PPP or Frame Relay, Fractional E1, supports single support PPP or Frame Relay, Fractional E1, supports single Nx64K cluster and FDL protocolNx64K cluster and FDL protocol
WSX-FE1-SC-1W [2W]-4C-L3WSX-FE1-SC-1W [2W]-4C-L3 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both
support PPP or Frame Relay, Fractional E1, supports single support PPP or Frame Relay, Fractional E1, supports single Nx64K cluster and FDL protocol, with HRE-XNx64K cluster and FDL protocol, with HRE-X
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Wide Area Switching Modules for OmniS/RWide Area Switching Modules for OmniS/R
WSX-FT1-SC-1W [2W]-4CWSX-FT1-SC-1W [2W]-4C 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both
support PPP or Frame Relay, Fractional T1, supports single support PPP or Frame Relay, Fractional T1, supports single Nx64K cluster and FDL protocolNx64K cluster and FDL protocol
WSX-FT1-SC-1W [2W]-4C-L3WSX-FT1-SC-1W [2W]-4C-L3 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both 1 or 2 serial ports, 1 or 2 FE1 ports with integral CSU. Both
support PPP or Frame Relay, Fractional T1, supports single support PPP or Frame Relay, Fractional T1, supports single Nx64K cluster and FDL protocol, with HRE-XNx64K cluster and FDL protocol, with HRE-X
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Gigabit EthernetGigabit EthernetDirection for Direction for
OmniStack andOmniStack andVBUSVBUS
Gigabit EthernetGigabit EthernetDirection for Direction for
OmniStack andOmniStack andVBUSVBUS
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Gigabit EthernetGigabit Ethernet
Xylan’s Gigabit Ethernet family is divided into three different product groups:
Gigabit uplink sub-modulesGigabit uplink sub-modules Gigabit switch access modulesGigabit switch access modules high-speed Gigabit switching modules high-speed Gigabit switching modules
1000Base-SX and 1000Base-LX for multimode and single mode fiber
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OSGSM-FM-2 2-port Gigabit Ethernet sub-module for the OmniStack 2000, 2-port Gigabit Ethernet sub-module for the OmniStack 2000,
3000, and 5000 families; (1000Base-SX) SC multimode (850nm) 3000, and 5000 families; (1000Base-SX) SC multimode (850nm) fiber for short haulfiber for short haul
OSGSM-FS-2
2-port Gigabit Ethernet sub-module for the OmniStack 2000, 2-port Gigabit Ethernet sub-module for the OmniStack 2000, 3000, and 5000 families; (1000Base-LX) single mode (1330nm) 3000, and 5000 families; (1000Base-LX) single mode (1330nm) fiber for long distancefiber for long distance
1 2
Tx Fx Tx Fx 1 2
ACT
LINK
1000Base-SX
1 2
Tx Fx Tx Fx 1 2
ACT
LINK
1000Base-SX
Gigabit Ethernet for OmniStackGigabit Ethernet for OmniStack
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Gigabit backbone solutionGigabit backbone solution
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Gigabit Ethernet applicationGigabit Ethernet application
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