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Domain_2_Peer4(conf-if-range-te-0/16-17)# port-channel 100 mode active
Domain_2_Peer4(conf-if-range-te-0/16-17)# no shutdown
PIM-Sparse Mode Configuration Example
The following sample configuration shows how to configure the PIM Sparse mode designated router functionality on the VLT
domain with two VLT port-channels that are members of VLAN 4001.
For more information, refer to PIM-Sparse Mode Support on VLT.
Example of Configuring PIM-Sparse Mode
Enable PIM Multicast Routing on the VLT node globally.
VLT_Peer1(conf)#ip multicast-routing
Enable PIM on the VLT port VLANs.
VLT_Peer1(conf)#interface vlan 4001
VLT_Peer1(conf-if-vl-4001)#ip address 140.0.0.1/24
VLT_Peer1(conf-if-vl-4001)#ip pim sparse-mode
VLT_Peer1(conf-if-vl-4001)#tagged port-channel 101
VLT_Peer1(conf-if-vl-4001)#tagged port-channel 102
VLT_Peer1(conf-if-vl-4001)#no shutdown
VLT_Peer1(conf-if-vl-4001)#exit
Configure the VLTi port as a static multicast router port for the VLAN.
VLT_Peer1(conf)#interface vlan 4001
VLT_Peer1(conf-if-vl-4001)#ip igmp snooping mrouter interface port-channel 128
VLT_Peer1(conf-if-vl-4001)#exit
VLT_Peer1(conf)#end
Repeat these steps on VLT Peer Node 2.
VLT_Peer2(conf)#ip multicast-routing
VLT_Peer2(conf)#interface vlan 4001
VLT_Peer2(conf-if-vl-4001)#ip address 140.0.0.2/24
VLT_Peer2(conf-if-vl-4001)#ip pim sparse-mode
VLT_Peer2(conf-if-vl-4001)#tagged port-channel 101
VLT_Peer2(conf-if-vl-4001)#tagged port-channel 102
VLT_Peer2(conf-if-vl-4001)#no shutdown
VLT_Peer2(conf-if-vl-4001)#ip igmp snooping mrouter interface port-channel 128
VLT_Peer2(conf-if-vl-4001)#exit
VLT_Peer2(conf)#end
Verifying a VLT Configuration
To monitor the operation or verify the configuration of a VLT domain, use any of the following show commands on the primary
and secondary VLT switches.
● Display information on backup link operation.
EXEC mode
show vlt backup-link
● Display general status information about VLT domains currently configured on the switch.
EXEC mode
show vlt brief
● Display detailed information about the VLT-domain configuration, including local and peer port-channel IDs, local VLT switch
status, and number of active VLANs on each port channel.
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Virtual Link Trunking (VLT)