Juniper BGP - CONFIGURATION GUIDE V 11.1.X Configuration Manual page 10

JUNOSe 11.1.x BGP and MPLS Configuration Guide
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Table of Contents
Basic Configuration .......................................................................................17
Enabling BGP Routing .............................................................................17
Understanding BGP Command Scope .....................................................18
Inheritance of Configuration Values ........................................................20
Limitations on Inheritance ................................................................24
Setting the BGP Identifier ........................................................................24
Configuring Neighbors ............................................................................25
Configuring BGP Peer Groups ........................................................................26
Setting the Peer Type ..............................................................................28
Assigning a Description ..........................................................................28
Logging Neighbor State Changes .............................................................29
Specifying a Source Address for a BGP Session .......................................30
Specifying Peers That Are Not Directly Connected ..................................31
Specifying a Single-Hop Connection for IBGP Peers ................................33
Controlling the Number of Prefixes .........................................................33
Removing Private AS Numbers from Updates .........................................34
Checking AS Path Length ........................................................................35
Enabling MD5 Authentication on a TCP Connection ...............................36
Setting the Maximum Size of Update Messages ......................................37
Setting Automatic Fallover ......................................................................38
Setting Timers .........................................................................................38
Automatic Summarization of Routes .......................................................39
Administrative Shutdown ........................................................................39
Configuring BGP for Overload Conditions ...............................................40
Enabling Route Storage in Adj-RIBs-Out Tables .......................................41
Effects of Changing Outbound Policies .............................................42
Configuring the Address Family ..............................................................43
Enabling Lenient Behavior ......................................................................46
Configuring Promiscuous Peers and Dynamic Peering ............................47
Configuring Passive Peers .......................................................................49
Advertising Routes ........................................................................................50
Prefixes Originating in an AS ..................................................................50
Advertising Best Routes ..........................................................................52
Redistributing Routes into BGP ...............................................................53
Redistributing Routes from BGP ..............................................................54
Configuring a Default Route ....................................................................55
Advertising Default Routes ...............................................................55
Redistributing Default Routes ...........................................................56
Setting a Static Default Route ...........................................................57
Setting the Minimum Interval Between Routing Updates ........................58
Aggregating Routes .................................................................................59
Advertising Inactive Routes .....................................................................62
Verifying an AS Path ...............................................................................62
Advertising IPv4 Routes Between IPv6 BGP Peers ...................................63
Advertising Routes Conditionally ............................................................63
Advertising a Route Only When Another Route is Present ................66
Advertising a Route Only When Another Route is Absent .................67
Advertising a Default Route Only When Another Route Is
Present ......................................................................................69