27 sa-request, 27 sa-request -59 – PLANET XGS3-24042 User Manual
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If the parameter isn’t specified, the entire SA messages which include (S, G) item will be filtered.
Command Mode:
MSDP Configuration Mode and MSDP Peer Configuration Mode.
Default:
All the SA messages receiving or transmitting will not be filtered.
Usage Guide:
Configuration in the peer mode will override that in the MSDP configuration mode. The distribution
of SA messages can be controlled through this command or the redistribute command.
Example:
Switch(config)#router msdp
Switch(router-msdp)#sa-filter in
Switch(router-msdp)#peer 20.1.1.1
Switch(router-msdp-peer)# sa-filter in list 120
44.4.27 sa-request
Command:
sa-request
no sa-request
Function:
To configure the route sending SA request message to specified MSDP Peer when received the
joined message from a new group.
Command Mode:
MSDP Peer Configuration Mode.
Default:
Not sending SA Request message by default.
Usage Guide:
This command makes the switch (RP) send SA request messages to the specified MSDP. When
there is a new group or member, the switch (RP) will send SA request messages to the specified
MSDP and wait for the latter’s response of its cached local SA messages. After sending a SA
message to the specified MSDP, RP will receive a SA_response message from the peer, and know
all active sources of the peer (not including the source information learnt via MSDP SA). If RP is
configured with SA cache state, this configuration won’t take effect. This command is mutually
exclusive to sa-cache-sate. If the MSDP is configured with SA cache state, it won’t be able to
configure sa-request. The switch will show a prompt to notice the users. Please notice this
command only applies to RP.
Example: