3Com S7906E - Switch, Configuration Manual

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Table of Contents
1 MBGP Configuration ·································································································································1-1
MBGP Overview······································································································································1-1
Protocols and Standards·························································································································1-2
MBGP Configuration Task List················································································································1-2
Configuring MBGP Basic Functions········································································································1-2
Prerequisites····································································································································1-2
Configuration Procedure··················································································································1-3
Controlling Route Advertisement and Reception····················································································1-3
Prerequisites····································································································································1-3
Configuring MBGP Route Redistribution·························································································1-3
Configure Default Route Redistribution into MBGP ········································································1-4
Configuring MBGP Route Summarization·······················································································1-4
Advertising a Default Route to an IPv4 MBGP Peer or Peer Group ···············································1-5
Configuring Outbound MBGP Route Filtering ·················································································1-5
Configuring Inbound MBGP Route Filtering ····················································································1-6
Configuring MBGP Route Dampening ····························································································1-7
Configuring MBGP Route Attributes ·······································································································1-7
Prerequisites····································································································································1-8
Configuring MBGP Route Preferences ···························································································1-8
Configuring the Default Local Preference ·······················································································1-8
Configuring the MED Attribute·········································································································1-8
Configuring the Next Hop Attribute··································································································1-9
Configuring the AS-PATH Attribute ·································································································1-9
Tuning and Optimizing MBGP Networks ······························································································1-10
Prerequisites··································································································································1-10
Configuring MBGP Soft Reset·······································································································1-10
Enabling the MBGP ORF Capability ·····························································································1-11
Configuring the Maximum Number of MBGP Routes for Load Balancing ····································1-12
Configuring a Large Scale MBGP Network···························································································1-13
Prerequisites··································································································································1-13
Configuring IPv4 MBGP Peer Groups···························································································1-13
Configuring MBGP Community ·····································································································1-14
Configuring an MBGP Route Reflector ·························································································1-15
Displaying and Maintaining MBGP ·······································································································1-15
Displaying MBGP ··························································································································1-15
Resetting MBGP Connections·······································································································1-17
Clearing MBGP Information ··········································································································1-17
MBGP Configuration Example ··············································································································1-17