Configuring Community Attribute-Related Routing Policies - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
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Data Preparation
To configure BGP Community attributes, you need the following data.
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8.12.2 Configuring Community Attribute-Related Routing Policies

A routing policy that references a community attribute needs to be configured before the
community attribute is advertised.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
route-policy route-policy-name { permit | deny } node node
A node is configured for a routing policy, and the view of the routing policy is displayed.
Step 3 (Optional) Configure filtering conditions (if-match clauses) for a routing policy. Community
attributes can be added only to the routes that pass the filtering, and the community attributes
of only the routes that pass the filtering can be modified.
For configuration details, see
Step 4 Configure community or extended community attributes for BGP routes.
l Run:
l Run:
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Issue 02 (2014-09-30)
Configuring Basic BGP Functions
Data
Community attribute value
Route-policy name, node sequence number, and matching condition
Names of inbound and outbound routing policies
apply community { community-number | aa:nn | internet | no-advertise | no-
export | no-export-subconfed } &<1-32> [ additive ]
Community attributes are configured for BGP routes.
NOTE
A maximum of 32 community attributes can be configured in the apply community command.
apply extcommunity { rt { as-number:nn | ipv4-address:nn } } &<1-16>
[ additive ]
An extended community attribute (Route-Target) is configured for BGP routes.
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(Optional) Configuring if-match
8 BGP Configuration
Clauses.
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