Data Preparation
To configure the filtering rules for SA messages, you need the following data.
No. Data
1 Filtering list for creating SA messages
2 Filtering list for receiving SA messages
3 Filtering list for forwarding SA messages
4 Address of a remote MSDP peer
7.9.2 Setting Rules for Creating an SA Message
You can set rules for filtering the multicast source of an SA message on the source RP. The
source RP then filters locally registered and active multicast sources, and determines which (S,
G) information need be advertised based on the set rules.
Context
Do as follows on the source RP configured with an MSDP peer:
NOTE
If the configuration is not done, an SA message created by the source RP contains the information of all
local active sources.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
msdp [ vpn-instance vpn-instance-name ]
The MSDP view is displayed.
Step 3 Run:
import-source [ acl { acl-number | acl-name } ]
The rules for filtering the multicast source of an SA message are set.
The parameters of the command are explained as follows:
l acl: specifies the filtering list based on multicast sources. The SA message created by an
MSDP peer contains the local source information that match the filtering rules. The MSDP
peer can thus control the local (S, G) information.
l If the import-source command with acl is used, the SA message does not advertise any
information about the local active source.
----End
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 7 MSDP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
251
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