[SwitchC-LoopBack10] quit
[SwitchC] pim
[SwitchC-pim] c-bsr loopback 1
[SwitchC-pim] c-rp loopback 10
[SwitchC-pim] quit
Step 4 Configure Loopback0 interfaces and MSDP peers.
# Configure the MSDP peer on Loopback0 of SwitchC.
[SwitchC] interface loopback 0
[SwitchC-LoopBack0] ip address 1.1.1.1 255.255.255.255
[SwitchC-LoopBack0] pim sm
[SwitchC-LoopBack0] quit
[SwitchC] msdp
[SwitchC-msdp] originating-rp loopback0
[SwitchC-msdp] peer 2.2.2.2 connect-interface loopback0
[SwitchC-msdp] quit
# Configure the MSDP peer on Loopback0 of SwitchD.
[SwitchD] interface loopback 0
[SwitchD-LoopBack0] ip address 2.2.2.2 255.255.255.255
[SwitchD-LoopBack0] pim sm
[SwitchD-LoopBack0] quit
[SwitchD] msdp
[SwitchD-msdp] originating-rp loopback0
[SwitchD-msdp] peer 1.1.1.1 connect-interface loopback0
[SwitchD-msdp] quit
Step 5 Verify the configuration.
# Run the display msdp brief command to view the status of the MSDP peer relationship
between Switches. Information about MSDP peers on SwitchC and SwitchD is as follows:
<SwitchC> display msdp brief
MSDP Peer Brief Information of VPN-Instance: public net
Configured Up Listen Connect Shutdown Down
1 1 0 0 0 0
Peer's Address State Up/Down time AS SA Count Reset Count
2.2.2.2 Up 00:10:17 ? 0 0
<SwitchD> display msdp brief
MSDP Peer Brief Information of VPN-Instance: public net
Configured Up Listen Connect Shutdown Down
1 1 0 0 0 0
Peer's Address State Up/Down time AS SA Count Reset Count
1.1.1.1 Up 00:10:18 ? 0 0
# Run the display pim routing-table command to view the PIM routing table on a Switch. In
the PIM-SM domain, multicast source S1 (10.110.5.100/24) sends multicast packets to multicast
group G (225.1.1.1). User 1 that joins G receives the multicast packets. Comparing information
about the PIM routing tables on SwitchC and SwitchD, you can find that SwitchC is the valid
RP. That is, S1 registers to SwitchC, and User 1 sends a Join message to SwitchC.
<SwitchC> display pim routing-table
VPN-Instance: public net
Total 1 (*, G) entry; 1 (S, G) entry
(*, 225.1.1.1)
RP: 10.1.1.1 (local)
Protocol: pim-sm, Flag: WC
UpTime: 00:28:49
Upstream interface: Register
Upstream neighbor: NULL
RPF prime neighbor: NULL
Downstream interface(s) information:
Quidway S7700 Smart Routing Switch
Configuration Guide - Multicast 7 MSDP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
279
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