Controlling The Source Information Created - H3C S9500 Series Operation Manual

Operation Manual – Multicast Protocol
H3C S9500 Series Routing Switches
Restore the default configuration
The SA request message sent by a local RP will get the immediate response about all
active sources.
By default, the router does not send SA request message to its MSDP peer when
receiving the join message of a group. Instead, it waits for the arrival of SA message of
the next period.

8.2.8 Controlling the Source Information Created

I. Filtering the multicast routing entries imported
RP filters the registered sources to control the information of the active sources
advertised in SA message. MSDP peers can be configured to only advertise the
qualified (S, G) entries in the multicast routing table when creating SA messages, that is,
to control the (S,G) entries imported from the multicast routing table to the domain.
Please perform the following configurations in MSDP view.
Table 8-8 Filtering the multicast routing entries imported
Advertise only the (S, G) entries permitted by
the ACL
Remove the above configuration
By default, only intra-domain sources are advertised in SA messages.
If the import-source command without acl parameter is executed, no source is
advertised in SA messages.
II. Filtering SA request messages
Please perform the following configurations in MSDP view.
Table 8-9 Filtering SA request messages
Filter all the SA request messages from a
specified MSDP peer
Filter the SA request messages of the
groups
permitted by the basic ACL from
Operation
Operation
Operation
of a specified MSDP peer
undo
request-sa-enable
import-source [ acl acl-number ]
undo import-source
peer peer-address sa-request-policy
peer peer-address sa-request-policy
acl acl-number
8-8
Chapter 8 MSDP Configuration
Command
peer peer-address
Command
Command