Huawei quidway s7700 - Optional) Setting the TTL Threshold for Forwarding an SA Message Containing a Multicast Data Packet

The MSDP view is displayed.
Step 3 Run:
encap-data-enable
A multicast data packet is encapsulated in an SA message.
By default, the SA message contains only (S, G) information, and does not contain a multicast
data packet.
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7.8.3 (Optional) Setting the TTL Threshold for Forwarding an SA
Message Containing a Multicast Data Packet
After receiving an SA massage encapsulated with a multicast data packet, an MSDP peer
forwards the SA message to a specified remote MSDP peer only when the TTL value of the
multicast packet is greater than the set threshold.
Context
Do as follows on the switch configured with an MSDP peer:
NOTE
If the configuration is not done, default values are used.
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:
peer peer-address minimum-ttl ttl
The TTL threshold of a multicast data packet is set.
After receiving an SA massage containing a multicast data packet, an MSDP peer forwards the
SA message to a specified remote MSDP peers only when the TTL value of the multicast packet
is greater than the threshold.
The parameters of the command are explained as follows:
l peer-address: specifies the address of a remote MSDP peer.
l ttl: specifies the value of the TTL threshold. By default, the value is 0.
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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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