bmp(bgp monitoring protocol)
DESCRIPTION
BMP(http://tools.ietf.org/html/draft-ietf-grow-bmp)はBGP Adj-RIB-Inをモニターする事を可能にするプロトコルです。 既にいくつかのルータにおいて実装済みであり 本資料ではBMPの動作およびメッセージ種類に関して簡単に説明を行い、本プロトコルがBGP運用に役に立つかどうかを考えたいと思います。TRANSCRIPT
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© 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 1 © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 1 © 2010 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 1 Cisco Confidential 1 © 2010 Cisco and/or its affiliates. All rights reserved.
Shishio Tsuchiya
BMP(BGP Monitoring Protocol)
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BMPって?
• BGP Monitoring Protocol http://tools.ietf.org/html/draft-ietf-grow-bmp
• BGP Adj-RIB-Inをモニターする事が可能になる
• Adj-RIB-InはBGPピアからもらった処理前のBGPメッセージ
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BGP Monitoring Protocol
Adj-RIB-In フィルタな
どの ポリシー
実施 Loc-RIB BGP update BGP update
Server
BMP
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BMP Message
Type Description 詳細 0 Route Monitoring Adj-RIB-Inの初期同期 1 Statics Report 興味のあるイベントの統計情報をレポートする 2 Peer Down Notification BGPピアDown通知 3 Peer Up Notification BGPピアのUPの通知 4 Initiation Message モニターの基本情報を伝える
(ベンダー/Versionなど) 5 Termination Message BMPセッションの終了を理由と共に伝える
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BMP Message Type2 Statics Report
Stat Type Description 0 入力ポリシーによりrejectされたprefix数 1 重複したprefixアドバタイズの数 2 重複したprefix withdrawnの数 3 CLUSTER_LIST loopによる無効アップデートの数 4 AS_PATH loopによる無効アップデートの数 5 ORIGINATOR_IDによる無効アップデートの数 6 AS_CONFED loopによる無効アップデートの数 7 Adj-RIBs-Inのルート数
8 Loc-RIBのルート数
9-32767 32768-65535
Standard Action Specific Requirement Action
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BMP Lifecycle Example
Server
BGP Established BMP Established
Initiation message
Peer Up Notification
Route Monitoring
・ ・ ・ Statics Report
BGP Peer Down Peer Down Notification
Termination Message
BMP Session Down
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実装状況 from IETF Grow Mailing listhttp://www.ietf.org/mail-archive/web/grow/current/msg02742.html
• JUNOS(BMPv3 from 13.3)/Quagga
• IOS,IOS-XE draft 07 15.4(1)S 3.11S
• ExaBGP will support draft07
• bmpreceiver https://code.google.com/p/bmpreceiver/
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まとめ
• BMPはAdj-RIB-Inの情報をキャプチャー出来る
• 多くのルータでも実装済
• サーバーのオープンソースも存在
• NOGからのフィードバックはWelcome(だと思う)
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Thank you.