MSDP Configuration Examples 695
[SwitchB] interface vlan-interface 100
[SwitchB-Vlan-interface100] igmp enable
[SwitchB-Vlan-interface100] pim sm
[SwitchB-Vlan-interface100] quit
[SwitchB] interface vlan-interface 103
[SwitchB-Vlan-interface103] pim sm
[SwitchB-Vlan-interface103] quit
[SwitchB] interface Vlan-interface 101
[SwitchB-Vlan-interface101] pim sm
[SwitchB-Vlan-interface101] quit
[SwitchB] interface loopback 0
[SwitchB-LoopBack0] pim sm
[SwitchB-LoopBack0] quit
[SwitchB] interface loopback 10
[SwitchB-LoopBack10] pim sm
[SwitchB-LoopBack10] quit
[SwitchB] interface loopback 20
[SwitchB-LoopBack20] pim sm
[SwitchB-LoopBack20] quit
The configuration on Switch A, Switch C, Switch D, and Switch E is similar to the
configuration on Switch B.
3 Configure C-BSRs and C-RPs
# Configure Loopback 10 as a C-BSR and Loopback 20 as a C-RP on Switch B.
[SwitchB] pim
[SwitchB-pim] c-bsr loopback 10
[SwitchB-pim] c-rp loopback 20
[SwitchB-pim] quit
The configuration on Switch D is similar to the configuration on Switch B.
4 Configure MSDP peers
# Configure an MSDP peer on Loopback 0 of Switch B.
[SwitchB] msdp
[SwitchB-msdp] originating-rp loopback 0
[SwitchB-msdp] peer 2.2.2.2 connect-interface loopback 0
[SwitchB-msdp] quit
# Configure an MSDP peer on Loopback 0 of Switch D.
[SwitchD] msdp
[SwitchD-msdp] originating-rp loopback 0
[SwitchD-msdp] peer 1.1.1.1 connect-interface loopback 0
[SwitchD-msdp] quit
5 Verify the configuration
You can use the display msdp brief command to view the brief information of
MSDP peering relationships between the switches.
# View the brief MSDP peer information on Switch B.
[SwitchB] display msdp brief
MSDP Peer Brief Information
Configured Up Listen Connect Shutdown Down
110000
Peer’s Address State Up/Down time AS SA Count Reset Count
2.2.2.2 Up 00:10:17 ? 0 0
# View the brief MSDP peer information on Switch D.
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