Configuring Bgp Filters - Huawei Quidway NetEngine80E Configuration Manual

HUAWEI NetEngine80E/40E Router
Configuration Guide - IP Routing
Filters can be used to filter routes to be advertised by BGP. BGP can filter routes to be advertised
to a specific peer or peer group.
Pre-configuration Tasks
Before configuring BGP to advertise routes, complete the following task:
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Data Preparation
To configure BGP to advertise routes, you need the following data.
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8.5.2 Configuring BGP Filters

BGP filters filter routes to be advertised.
Context
BGP uses the following types of filters to filter routes:
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Procedure
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Issue 02 (2014-09-30)
Configuring Basic BGP Functions
Data
Name or number of an ACL
Name, number, and matching mode of an IP prefix list
Number or name of an AS_Path filter
Number or name and matching mode of a community filter
Number or name and matching mode of an extcommunity filter
Name and matching mode of a route-policy, and number of the route-policy's node
Access Control List(ACL)
IP-Prefix List
AS_Path filter
Community filter
Extcommunity filter
Route-Policy
Configure an ACL.
An ACL is a series of sequential rules composed of permit and deny clauses. These rules
are described based on source addresses, destination addresses, and port numbers of
packets. ACL rules are used to classify packets. After ACL rules are applied to a device,
the device permits or denies packets based on the ACL rules.
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