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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 51 Configuring Multicast Services
Configuring Bidirectional PIM on the Switch
Configuring the Rendezvous Point for Bidirectional Groups
Note The traffic flow for the groups mapping to only four bidirectional rendezvous points (RPs) is hardware
switched. The traffic to the rest of the groups is software forwarded.
To configure the rendezvous point for a bidirectional group statically, perform this task:
This example shows how to configure a static rendezvous point for a bidirectional group:
Router(config)# ip pim rp-address 10.0.0.1 10 bidir override
Router(config)# access-list 10 permit 224.1.0.0 0.0.255.255
Router(config)# ip pim send-rp-announce Loopback0 scope 16 group-list c21-rp-list-0 bidir
Router(config)# ip access-list standard c21-rp-list-0 permit 230.31.31.1 0.0.255.255
Setting the Bidirectional PIM Scan Interval
You can specify the interval between the bidirectional PIM RP Reverse Path Forwarding (RPF) scans.
To set the bidirectional RP RPF scan interval, perform one of these tasks:
This example shows how to set the bidirectional RP RPF scan interval:
Router(config)# mls ip multicast bidir gm-scan-interval 30
Router(config)#
This example shows how to restore the default bidirectional RP RPF scan interval:
Router(config)# no mls ip multicast bidir gm-scan-interval
Router(config)#
Task Command
Step 1
Statically configure the IP address of the rendezvous
point for the group. When you specify the override
keyword, the static rendezvous point is used.
Router(config)# ip pim rp-adress ip_address access-list
[override]
Step 2
Configure an access list. Router(config)# access-list access-list permit | deny
ip_address
Step 3
Configure the system to use Auto-RP to configure groups
for which the router will act as an RP.
Router(config)# ip pim send-rp-announce type number
scope ttl-value [group-list access-list] [interval seconds]
[bidir]
Step 4
Configure a standard IP access list. Router(config)# ip access-list standard access-list-name
permit | deny ip_address
Step 5
Enable MLS IP multicast. Router(config)# mls ip multicast
Task Command
Set the bidirectional RP RPF scan interval; valid
values are from 1 to 1000 seconds. The default is
10 seconds.
Router(config)# mls ip multicast bidir
gm-scan-interval interval
Restore the default. Router(config)# no mls ip multicast bidir
gm-scan-interval
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