BGP Configuration Guide - Juniper Networks

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BGP Configuration Guide xiv Table 28: show route forwarding-table Output Fields . . . . . . . . . . . . . . . . . . . . . 645 Part 4 Troubleshooting Table 29: show route instance Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . 664 Table 30: show route receive-protocol Output Fields . . . . . . . . . . . . . . . . . . . . . 693 Table 31: show route terse Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 710 Chapter 16 Routing Protocol Process Memory FAQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 717 Table 32: show system processes extensive Output Fields . . . . . . . . . . . . . . . . . . 721 Table 33: show task memory Output Fields . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 722 Copyright © 2012, Juniper Networks, Inc.
About the Documentation • Documentation and Release Notes on page xv • Supported Platforms on page xv • Using the Examples in This Manual on page xv • Documentation Conventions on page xvii • Documentation Feedback on page xix Documentation and Release Notes Supported Platforms • Requesting Technical Support on page xix To obtain the most current version of all Juniper Networks ® technical documentation, see the product documentation page on the Juniper Networks website at http://www.juniper.net/techpubs/. If the information in the latest release notes differs from the information in the documentation, follow the product Release Notes. Juniper Networks Books publishes books by Juniper Networks engineers and subject matter experts. These books go beyond the technical documentation to explore the nuances of network architecture, deployment, and administration. The current list can be viewed at http://www.juniper.net/books . For the features described in this document, the following platforms are supported: • J Series • SRX Series • T Series • MX Series • M Series Using the Examples in This Manual Copyright © 2012, Juniper Networks, Inc. If you want to use the examples in this manual, you can use the load merge or the load merge relative command. These commands cause the software to merge the incoming xv
Page 1 and 2: Junos ® OS BGP Configuration Guide
Page 3 and 4: Table of Contents Part 1 Overview A
Page 5 and 6: Chapter 6 BGP BFD Configuration . .
Page 7 and 8: Copyright © 2012, Juniper Networks
Page 9 and 10: Part 3 Administration Chapter 15 BG
Page 11 and 12: List of Figures Part 1 Overview Cha
Page 13: List of Tables Part 2 Configuration
Page 17 and 18: Documentation Conventions Table 1:
Page 19 and 20: Documentation Feedback We encourage
Page 21 and 22: PART 1 Overview Copyright © 2012,
Page 23 and 24: CHAPTER 1 Introduction to BGP Copyr
Page 25 and 26: External and Internal BGP Related D
Page 27 and 28: Open Messages Update Messages Copyr
Page 29 and 30: Depending on whether nondeterminist
Page 31 and 32: Related Documentation Copyright ©
Page 33 and 34: CHAPTER 2 BGP Reference Supported B
Page 35 and 36: PART 2 Configuration Copyright © 2
Page 37 and 38: CHAPTER 3 Basic BGP Configuration
Page 39 and 40: CLI Quick Configuration Step-by-Ste
Page 41 and 42: unit 9 { description to-C; family i
Page 45 and 46: Sample Output 0/0/0/0 0/0/0/0 10.10
Page 47 and 48: CLI Quick Configuration Figure 4: T
Page 49 and 50: Step-by-Step Procedure Copyright ©
Page 51 and 52: Step-by-Step Procedure Copyright ©
Page 59 and 60: user@R1:E> show bgp group Group Typ
Page 61 and 62: Understanding Internal BGP Peering
Page 63 and 64: When a device peers with a remote d
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Step-by-Step Procedure Copyright ©
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Step-by-Step Procedure } } Copyrigh
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Verification Confirm that the confi
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Groups: 1 Peers: 2 Down peers: 0 Ta
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Step-by-Step Procedure set logical-
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[edit logical-systems A protocols o
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Copyright © 2012, Juniper Networks
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Action From the operational mode, e
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Related Documentation Copyright ©
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CHAPTER 4 BGP Path Attribute Config
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CLI Quick Configuration • Configu
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4. Configure a policy that accepts
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3. Configure OSPF. [edit protocols
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[edit protocols bgp group internal]
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Step-by-Step Procedure Configuring
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user@R1> show route protocol bgp in
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• Configuration on page 82 • Ve
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Device R2 set interfaces fe-1/2/0 u
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Results From configuration mode, co
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[edit policy-options policy-stateme
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user@R4# set export send-direct use
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to 12.12.12.2 via fe-1/2/0.1 192.16
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set routing-options router-id 192.1
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user@R2# set autonomous-system 123
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Other useful options for this scena
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[edit protocols bgp group external]
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Checking the Active Path From Devic
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• Configuration on page 108 • V
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CLI Quick Configuration To quickly
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Device R6 set interfaces fe-1/2/0 u
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6. Configure OSPF. [edit protocols
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user@R1> show route advertising-pro
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The Junos operating system (Junos O
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NOTE: If you configure the local AS
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set protocols bgp group ext type ex
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Step-by-Step Procedure route 10.1.0
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Step-by-Step Procedure Configuring
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192.168.0.3/32 *[BGP/170] 01:46:40,
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CLI Quick Configuration Configurati
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} } fe-1/2/1 { unit 5 { family inet
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Understanding the Accumulated IGP A
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CLI Quick Configuration The network
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set protocols bgp group internal ne
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set protocols ospf area 0.0.0.1 int
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4. Enable AIGP. [edit protocols bgp
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Step-by-Step Procedure } Copyright
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user@PE4# set router-id 10.9.9.4 us
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user@PE1# set group internal neighb
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6. Enable the policies. [edit polic
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user@PE3# set policy-statement SET_
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} } export SET_EXPORT_ROUTES; peer-
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AIGP: 25 * 99.0.0.0/24 (1 entry, 1
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Nexthop: 10.100.1.4 Localpref: 100
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CHAPTER 5 BGP Policy Configuration
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user@host# set term injectterm1 2.
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Solution If you configure policy tr
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advertise-peer-as; NOTE: The route
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[edit protocols bgp group cisco-pee
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direct connection of the two EBGP p
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Step-by-Step Procedure set routing-
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Step-by-Step Procedure router-id 19
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user@E# set local-address 192.168.6
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--- 10.10.10.14 ping statistics ---
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Table 4: Default Route Preference V
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CLI Quick Configuration Topology In
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user@R1# show interfaces fe-1/2/0 {
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• BGP Configuration Overview Exam
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CLI Quick Configuration Device R1 h
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set routing-options static route 19
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Example: Removing Private AS Number
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CLI Quick Configuration Configurati
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peer-as 200; } } } user@ISP# show r
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Action From configuration mode on D
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CHAPTER 6 BGP BFD Configuration Exa
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CLI Quick Configuration NOTE: BFD i
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file bgp-bfd; flag bfd detail; } lo
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Aug 15 17:07:25 trace_on: Tracing t
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show bfd session detail show bfd se
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CHAPTER 7 BGP Load Balancing Config
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CLI Quick Configuration Step-by-Ste
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export loadbal; } If you are done c
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also supported on logical systems a
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Step-by-Step Procedure set interfac
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type internal; local-address 10.255
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Action 1. From configuration mode,
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• Three of the BGP-enabled device
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set protocols ospf area 0.0.0.0 int
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user@R1# set group rr type internal
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2. Configure BGP on Router R7’s i
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unit 84 { family inet { address 10.
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Verifying That Router R4 Is Receivi
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CHAPTER 8 IBGP Scaling Configuratio
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However, as clusters become large,
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CLI Quick Configuration Figure 29:
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passive; } interface fe-0/0/0.4; in
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Action From operational mode, enter
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Figure 30: BGP Confederations Sub-A
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Border Device in Sub-AS 64513 Step-
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Sample Output Table inet.0 Bit: 100
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CHAPTER 9 BGP Security Configuratio
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This example includes the following
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The start time of each key must be
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13:08:02.408249 Out IP 172.16.2.2.1
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CLI Quick Configuration • Configu
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encryption { algorithm 3des-cbc; ke
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CLI Quick Configuration Figure 34:
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tcp4 0 0 10.10.10.1.179 10.10.10.2.
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CLI Quick Configuration Requirement
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CHAPTER 10 BGP Flap Configuration
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Overview When a router or switch is
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Step-by-Step Procedure Step-by-Step
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2. Run the show bgp summary command
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Table 5: Damping Parameters (contin
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oute-filter 192.168.0.0/16 orlonger
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CHAPTER 11 Multiprotocol BGP Config
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; prefix-limit { maximum number; te
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For a list of hierarchy levels at w
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oute ::ffff:192.168.20.0/120 next-h
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Meaning The various occurrences of
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Table 6: Flow Route Match Condition
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Validating Flow Routes The Junos OS
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the less specific matching conditio
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CLI Quick Configuration Step-by-Ste
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Step-by-Step Procedure The followin
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Verifying Routes Purpose Look at th
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196.1.68/24,* 0 0 196.1.69/24,* 0 0
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CHAPTER 12 BGP CLNS Configuration E
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Verifying the Neighbor Status Purpo
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CHAPTER 13 BGP Monitoring Configura
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Step-by-Step Procedure configuratio
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• state—State transitions • t
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Step-by-Step Procedure Step-by-Step
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CHAPTER 14 BGP Configuration Statem
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accept-remote-nexthop Syntax accept
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Description Configure a limit to th
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advertise-external Syntax advertise
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advertise-peer-as Syntax advertise-
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aigp Syntax aigp [disable]; Hierarc
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aigp-originate Syntax aigp-originat
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Required Privilege Level Related Do
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as-override Syntax as-override; Hie
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authentication-algorithm • algori
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authentication-key-chain Syntax aut
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fd-liveness-detection (BGP) Syntax
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gp Syntax bgp { ... } Hierarchy Lev
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mp Related Documentation • Exampl
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Required Privilege Options cluster-
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description Syntax description text
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disable (BGP) Syntax disable; • t
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explicit-null Syntax explicit-null;
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family Syntax family { (inet | inet
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Release Information Statement intro
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graceful-restart Syntax graceful-re
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} advertise-default; external-paths
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hold-down-interval (BGP BFD Livenes
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hold-time (BGP) Syntax hold-time se
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import Syntax import [ policy-names
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inet-mdt (Signaling) Syntax signali
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iso-vpn Syntax iso-vpn { unicast {
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key-chain (BGP BFD Authentication)
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labeled-unicast Syntax labeled-unic
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local-address (BGP) Syntax local-ad
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local-as Syntax local-as autonomous
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log-updown • preference on page 4
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loops Syntax loops number; Hierarch
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loose-check (BGP BFD Authentication
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metric-out Syntax metric-out (metri
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minimum-interval (BGP BFD Liveness
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mtu-discovery Syntax mtu-discovery;
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multihop Syntax multihop { no-nexth
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multiplier (BGP BFD Liveness Detect
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accepted-prefix-limit { maximum num
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no-adaptation (BGP BFD Liveness Det
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no-aggregator-id Syntax no-aggregat
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no-nexthop-change (BGP Multihop) Sy
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Required Privilege out-delay Option
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passive Related Documentation Synta
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path-selection Syntax path-selectio
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peer-as Syntax peer-as autonomous-s
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precision-timers Syntax precision-t
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prefix-limit Syntax prefix-limit {
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eceive Syntax receive; Hierarchy Le
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Related Documentation resolve-vpn
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ib Syntax rib inet.3; Hierarchy Lev
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oute-target Syntax route-target { a
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session-mode Syntax session-mode (a
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tcp-mss Syntax tcp-mss segment-size
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traceoptions Syntax traceoptions {
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transmit-interval (BGP BFD Liveness
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type Syntax type type; Hierarchy Le
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vpn-apply-export Syntax vpn-apply-e
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PART 3 Administration Copyright ©
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CHAPTER 15 BGP Operational Commands
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clear bgp neighbor Syntax (EX Serie
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clear bgp table Syntax (EX Series S
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estart Syntax (EX Series Syntax res
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• ppp in Junos OS Release 7.5.
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show bgp bmp Syntax show bgp bmp Re
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Output Fields Table 9 on page 539 d
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Table 9: show bgp group Output Fiel
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Groups: 1 Peers: 3 External: 0 Inte
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show bgp group traffic-statistics S
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show bgp neighbor Syntax (EX Series
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Table 11: show bgp neighbor Output
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show bgp neighbor (CLNS) show bgp n
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show bgp neighbor (Layer 3 VPN) Cop
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show bgp neighbor neighbor-address
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show bgp replication Syntax show bg
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show bgp summary Syntax (EX Series
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Table 13: show bgp summary Output F
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show bgp summary (Layer 3 VPN) Copy
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Table 14: show policy damping Outpu
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show policy policy-name show policy
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Table 16: show policy conditions Ou
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Table 17: show policy damping Outpu
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Table 18: show route Output Fields
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show route destination-prefix 172.1
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show route active-path Syntax (EX S
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show route active-path extensive Co
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Table 19: show route advertising-pr
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show route advertising-protocol bgp
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List of Sample Output show route as
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via fxp2.0 [Direct/0] 2d 01:43:34 >
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show route brief Syntax (EX Series
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show route community Syntax (EX Ser
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show route community-name Syntax (E
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show route damping Syntax (EX Serie
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Table 20: show route damping Output
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show route damping history detail C
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Table 21: show route detail Output
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Table 21: show route detail Output
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Table 22: Next-hop Types Output Fie
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Table 23: State Output Field Values
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Sample Output show route detail use
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Age: 1:25:49 Metric: 1 Task: RSVP A
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show route exact Syntax (EX Series
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show route export Syntax (EX Series
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show route extensive Syntax (EX Ser
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Table 26: show route extensive Outp
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Table 26: show route extensive Outp
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State: Local AS: 69 Age: 1:34:06 T
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show route extensive (Access Route)
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show route flow validation Syntax (
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show route forwarding-table Syntax
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Required Privilege Level the main r
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Table 28: show route forwarding-tab
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show route forwarding-table detail
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show route forwarding-table extensi
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show route forwarding-table table d
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show route forwarding-table vpn Cop
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show route hidden detail show route
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show route inactive-path Syntax (EX
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show route inactive-path extensive
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show route inactive-prefix extensiv
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Table 29: show route instance Outpu
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show route instance detail (Gracefu
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show route instance detail (VPLS Ro
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show route next-hop Syntax (EX Seri
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show route next-hop extensive Copyr
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show route next-hop terse Copyright
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show route no-community Syntax (EX
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show route no-community terse Copyr
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Sample Output show route output add
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show route output interface extensi
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Required Privilege Level view • m
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show route protocol bgp extensive s
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show route protocol l2vpn extensive
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show route protocol ospf (Layer 3 V
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show route receive-protocol Syntax
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Table 30: show route receive-protoc
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show route receive-protocol bgp det
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show route receive-protocol bgp det
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show route table Syntax (EX Series
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Label operation: Push 182465 Protoc
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*[L2CKT/7] 00:50:47 > via so-0/1/2.
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show route table vpn-a.mdt.0 show r
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Table 31: show route terse Output F
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test policy Syntax test policy poli
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PART 4 Troubleshooting Copyright ©
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CHAPTER 16 Routing Protocol Process
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188 root 2 0 780K 600K select 0:00
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STACK segments, or the memory used
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PART 5 Index Copyright © 2012, Jun
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Index Symbols #, comments in config
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prefix-limit accepted..............
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G generated routes preferences.....
Page 753 and 754:
O open messages, BGP...............
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show bgp replication command.......
show all

BGP Configuration Guide - Juniper Networks

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