Total number of downstreams: 1
1: vlanif104
Protocol: static, UpTime: 00:28:49, Expires: -
(10.110.5.1, 225.1.1.1)
RP: 10.1.1.1 (local)
Protocol: pim-sm, Flag: SPT 2MSDP ACT
UpTime: 00:02:26
Upstream interface: vlanif101
Upstream neighbor: 10.110.1.2
RPF prime neighbor: 10.110.1.2
Downstream interface(s) information:
Total number of downstreams: 1
1: vlanif104
Protocol: pim-sm, UpTime: 00:02:26, Expires: -
<SwitchD> display pim routing-table
No output information is displayed.
# User 1 leaves group G, and multicast source S1 stops sending multicast packets to G. You can
run the reset multicast routing-table all and reset multicast forwarding-table all commands
to clear the multicast routing entries and multicast forwarding entries on SwitchC.
<SwitchC> reset multicast routing-table all
<SwitchC> reset multicast forwarding-table all
# User 2 joins group G, and multicast source S2 (10.110.6.100/24) sends multicast packets to
G. Comparing information about the PIM routing tables on SwitchC and SwitchD, you can find
that SwitchD is the valid RP. That is, S2 registers to SwitchD, and User 2 sends a Join message
to SwitchD.
<SwitchC> display pim routing-table
No output information is displayed.
<SwitchD> 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 RPT
UpTime: 00:07:23
Upstream interface: NULL,
Upstream neighbor: NULL
RPF prime neighbor: NULL
Downstream interface(s) information:
Total number of downstreams: 1
1: vlanif103,
Protocol: pim-sm, UpTime: 00:07:23, Expires:-
(10.110.6.100, 225.1.1.1)
RP: 10.1.1.1 (local)
Protocol: pim-sm, Flag: SPT 2MSDP ACT
UpTime: 00:10:20
Upstream interface: vlanif102
Upstream neighbor: 10.110.2.2
RPF prime neighbor: 10.110.2.2
Downstream interface(s) information:
Total number of downstreams: 1
1: vlanif103
Protocol: pim-sm, UpTime: 00:10:22, Expires: -
----End
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.
280
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