Huawei quidway s7700 - Disabling the SA Cache Function; Checking the Configuration

The maximum number of (S, G) entries is set.
The parameters of the command are explained as follows:
l peer-address: specifies the address of a remote MSDP peer.
l sa-limit: specifies the maximum number of cached (S, G) entries. The value of configuration
is valid when it is less than the specification of cache. Contrarily, specification of cache is
valid.
----End
7.6.3 Disabling the SA Cache Function
You are allowed to disable the SA cache function. Then, when a device wants to receive multicast
data, it needs to wait for the SA message to be sent by its MSDP peer in the next period. This
results in a delay in obtaining multicast data.
Context
Do as follows on the switch on which the MSDP peer is configured:
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:
undo cache-sa-enable
The SA Cache function is disabled.
NOTE
To reenable SA Cache, run the cache-sa-enable command in the MSDP view.
----End
7.6.4 Checking the Configuration
After the SA cache function is configured, you can run related commands to check brief and
detailed information about MSDP peers.
Procedure
l Run the display msdp [ vpn-instance vpn-instance-name | all-instance ] sa-cache [ group-
address | source-address | [ 2-byte-as-number | 4-byte-as-number ] ]
*
command to check
(S, G) entries in the SA Cache of the public network instance, VPN instance or all instances.
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.
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