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PowerConnect B-Series FCX Configuration Guide 765
53-1002266-01
Using ACLs to control multicast features
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PowerConnect(config)#router pim
PowerConnect(config-pim-router)#bsr-candidate ve 43 32 100
PowerConnect(config-pim-router)#rp-candidate ve 43
PowerConnect(config-pim-router)#rp-address 99.99.99.5 5
To configure an RP for multicast groups using the override switch, enter commands such as the
following.
PowerConnect(config)#access-list 44 permit 239.255.162.0 0.0.0.255
PowerConnect(config)#router pim
PowerConnect(config-pim-router)#rp-address 43.43.43.1
PowerConnect(config-pim-router)#rp-address 99.99.99.5 44 override
Syntax: [no] rp-address <ip-address> [<access-list-num>] [override]
The access-list-num parameter is the number of the standard ACL that will filter the multicast
group.
NOTE
Extended ACLs cannot be used to limit static RP groups.
The override parameter directs the Layer 3 Switch to ignore the information learned by a BSR if
there is a conflict between the RP configured in this command and the information that is learned
by the BSR. In previous releases, static RP configuration precedes the RP address learned from the
PIM Bootstrap protocol. With this enhancement, an RP address learned dynamically from PIM
Bootstrap protocol takes precedence over static RP configuration unless the override parameter is
used.
You can use the show ip pim rp-set command to display the ACLs used to filter the static RP groups.
Example
In the example above, the display shows the following information:
• The Group Address table shows the static RP address that is covered by the access list, and
whether or not the override parameter has been enabled.
• The Group prefix line shows the multicast group prefix for the static RP.
• The RP #line shows the configured IP address of the RP candidate.
The show ip pim rp-map to show the group-to-RP mapping.
PowerConnect#show ip pim rp-set
Group address Static-RP-address Override
---------------------------------------------------
Access-List 44 99.99.99.5 On
Number of group prefixes Learnt from BSR: 1
Group prefix = 224.0.0.0/4 #RPs: 1
RP 1: 43.43.43.1 priority=0 age=0