Configuring A Bgp4+ Confederation - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
Procedure
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9.12 Configuring a BGP4+ Confederation

On a large-scale BGP4+ network, configuring a BGP4+ confederation can simplify the
management of routing policies and improve the efficiency of route advertisement.
9.12.1 Before You Start
Before configuring a BGP4+ confederation, familiarize yourself with the usage scenario,
complete the pre-configuration tasks, and obtain the required data. This can help you complete
the configuration task quickly and accurately.
Applicable Environment
The confederation is a method of handling the abrupt increase of IBGP connections in an AS.
The confederation divides an AS into multiple sub-ASs. In each sub-AS, IBGP peers can be
full-meshed or be configured with a route reflector. EBGP connections are set up between sub-
ASs.
Pre-configuration Tasks
Before configuring a BGP4+ confederation, complete the following task:
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Data Preparation
To configure a BGP4+ confederation, you need the following data.
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9.12.2 Configuring a BGP4+ Confederation Attribute
BGP4+ confederations deal with increasing IBGP connections in an AS.
Issue 02 (2014-09-30)
Run the display bgp ipv6 peer [ verbose ] command to check information about BGP4+
peers.
Run the display bgp ipv6 peer ipv4-address verbose command to check information about
BGP4+ peers.
Run the display bgp ipv6 peer ipv6-address { log-info | verbose } command to check
information about BGP4+ peers.
Configuring Basic BGP4+ Functions
Data
Confederation ID and the sub-AS number
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