Chapter 9: Multicasting

Commands:

9.5.2 Configuring PIM-DM

Router(config)#ip multicast-routing

Router(config)#ip pim { dense-mode | sparse-mode | sparse-dense-mode }

 

9.5.3 Configuring PIM-SM

Router(config)#ip multicast-routing

Router(config)#ip pim { dense-mode | sparse-mode | sparse-dense-mode }

Router(config)#ip pim rp-address ip-address [group-acl-num] [override]

 

9.5.4 Verifying PIM configuration 

Router#show ip pim interface [type number] [count]

 

9.5.6 Display a PIM Neighbor

Router#show ip pim neighbor [type] [number]

 

9.6.1 Configure auto-RP

Router(config)# ip pim send-rp-announce type number scope ttl group-list acl-number

Router(config)# ip pim send-rp-discover scope ttl

 

9.6.2 Define scope of delivery of multicast packets

Router(config-if)#ip multicast ttl-threshold ttl

 

9.6.3 Join a multicast group

Router(config)#ip igmp join-group group-address

 

9.6.4 Change IGMP versions

Router#show ip igmp interface type-number

Router(config-if)#ip igmp version {2 | 1}

 

9.6.5 Configure CGMP

Router(config-if)#ip cgmp

IOS

Switch(config)#cgmp {CGMP enabled by default}

Switch(config)# cgmp leave-processing

CLI

Switch> (enable) set cgmp enable

 

9.6.6 Configure CGMP leave

CLI

Switch> (enable) show cgmp leave

Switch> (enable) set cgmp leave enable

Switch> (enable) set cgmp leave disable

 

9.7.1 Verify CGMP configuration

IOS

Switch#show cgmp

CLI 

Switch> (enable) show cgmp statistics vlan 

Switch> (enable) show multicast group cgmp vlan