l Run the display bgp multicast paths [ as-regular-expression ] command to check the
information about the AS paths.
l Run the display bgp multicast routing-table as-path-filter { as-path-filter-number | as-
path-filter-name } command to check the routing information that matches the filtering list.
l Run the display bgp multicast routing-table community-filter { { community-filter-
name | basic-community-filter-number } [ whole-match ] | advanced-community-filter-
number } command to check the routes that match the MBGP community list.
l Run the display bgp multicast routing-table peer ipv4-address { advertised-routes |
received-routes [ active ] } command to check the routing information receive form or
sent to a specified MBGP peer.
l Run the display bgp multicast network command to check the routing information
advertised by MBGP.
----End
9.6 Configuring MBGP Route Attributes
MBGP has many route attributes. You can change MBGP route selection by setting these
attributes.
9.6.1 Establishing the Configuration Task
Before configuring MBGP Route Attributes, familiarize yourself with the applicable
environment, pre-configuration tasks, and required data. This can help you complete the
configuration task quickly and accurately.
Applicable Environment
MBGP has many route attributes. You can change the optimal route selection by using the
following attributes.
l Preferred values of MBGP routes
l Preferences of MBGP routes
l Local_Pref
l MED of MBGP routes
Pre-configuration Tasks
Before configuring the policy for MBGP route selection, complete the task of Configuring Basic
MBGP Functions.
Data Preparation
To configure the policy for MBGP route selection, you need the following data.
No.
Data
1 AS number
2 Protocol preference of MBGP
S6700 Series Ethernet Switches
Configuration Guide - IP Routing 9 MBGP Configuration
Issue 01 (2012-03-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
573
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