In an IPv4 basic ACL, the source keyword matches against multicast group addresses in register
messages. In an IPv4 advanced ACL, the source keyword and the destination keyword match against the
multicast source addresses and multicast group addresses in register messages, respectively.
If you specify the vpn-instance keyword in an ACL rule, the rule does not take effect. The other optional
parameters except the time-range keyword and the fragment keyword in the ACL rules are ignored.
This command controls the creation of SA messages. You can also use the peer sa-policy command to
configure a filtering rule to control forwarding and acceptance of SA messages.
Examples
# On the public network, configure an SA creation policy to advertise only the (10.10.0.0/16,
225.1.0.0/16) entries when an SA message is created.
<Sysname> system-view
[Sysname] acl number 3101
[Sysname-acl-adv-3101] rule permit ip source 10.10.0.0 0.0.255.255 destination 225.1.0.0
0.0.255.255
[Sysname-acl-adv-3101] quit
[Sysname] msdp
[Sysname-msdp] import-source acl 3101
Related commands
peer sa-policy
msdp
Use msdp to enable MSDP and enter MSDP view.
Use undo msdp to disable MSDP and remove the configurations in MSDP view to release the resources
occupied by MSDP.
Syntax
msdp [ vpn-instance vpn-instance-name ]
undo msdp [ vpn-instance vpn-instance-name ]
Default
MSDP is disabled.
Views
System view
Predefined user roles
network-admin
Parameters
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string
of 1 to 31 characters. If you do not specify a VPN instance, the command applies to the public network.
Usage guidelines
This command takes effect only when IP multicast routing is enabled.
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