R3303-HP 6600/HSR6600 Routers IP Multicast Configuration Guide

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5. On Router C, configure a static multicast route and specify its RPF neighbor leading toward Source
is Tunnel 0 on Router A.
[RouterC] ip rpf-route-static 10.1.1.0 24 50.1.1.1
6. Verify the configuration:
Source sends multicast data to the multicast group 225.1.1.1 and Receiver can receive the
multicast data after joining the multicast group. You can display PIM routing table information on
the routers using the display pim routing-table command. For example:
# Display PIM routing table information on Router C.
[RouterC] display pim routing-table
VPN-Instance: public net
Total 1 (*, G) entry; 1 (S, G) entry
(*, 225.1.1.1)
Protocol: pim-dm, Flag: WC
UpTime: 00:04:25
Upstream interface: NULL
Upstream neighbor: NULL
RPF prime neighbor: NULL
Downstream interface(s) information:
Total number of downstreams: 1
1: GigabitEthernet2/0/1
Protocol: igmp, UpTime: 00:04:25, Expires: never
(10.1.1.100, 225.1.1.1)
Protocol: pim-dm, Flag: ACT
UpTime: 00:06:14
Upstream interface: Tunnel0
Upstream neighbor: 50.1.1.1
RPF prime neighbor: 50.1.1.1
Downstream interface(s) information:
Total number of downstreams: 1
1: GigabitEthernet2/0/1
Protocol: pim-dm, UpTime: 00:04:25, Expires: never
The output shows that Router A is the RPF neighbor of Router C and the multicast data from Router
A is delivered over a GRE tunnel to Router C.
Troubleshooting multicast routing and forwarding
This section describes common multicast routing and forwarding problems and how to troubleshoot
them.
Static multicast route failure
Symptom
No dynamic routing protocol is enabled on the routers, and the physical status and link layer status of
interfaces are both up, but the static multicast route fails.