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Configuring IP Multicast Routing
IP Multicast Configuration Examples
IPC-449
Cisco IOS IP Configuration Guide
PIM Dense Mode State Refresh Example
The following example shows a PIM router that is originating, processing, and forwarding PIM Dense
Mode State Refresh control messages on Fast Ethernet interface 0/1 every 60 seconds:
ip multicast-routing
interface FastEthernet0/1
ip address 172.16.8.1 255.255.255.0
ip pim state-refresh origination-interval 60
ip pim dense-mode
The following example shows a PIM router that is processing and forwarding PIM Dense Mode State
Refresh control messages and not originating messages on Fast Ethernet interface 1/1:
ip multicast-routing
interface FastEthernet1/1
ip address 172.16.7.3 255.255.255.0
ip pim dense-mode
Functional Address for IP Multicast over Token Ring LAN Example
In the following example, any IP multicast packets going out Token Ring interface 0 are mapped to MAC
address 0xc000.0004.0000:
interface token 0
ip address 1.1.1.1 255.255.255.0
ip pim dense-mode
ip multicast use-functional
PIM Version 2 Examples
This section provides examples in the following sections:
• BSR Configuration Example
• Border Router Configuration Example
• RFC 2362 Interoperable Candidate RP Example
BSR Configuration Example
The following example is a configuration for a candidate BSR, which also happens to be a candidate RP:
version 11.3
!
ip multicast-routing
!
interface Ethernet0
ip address 171.69.62.35 255.255.255.240
!
interface Ethernet1
ip address 172.21.24.18 255.255.255.248
ip pim sparse-dense-mode
!
interface Ethernet2
ip address 172.21.24.12 255.255.255.248