beautypg.com

Troubleshooting multicast routing and forwarding, Static multicast route failure, Symptom – H3C Technologies H3C S12500-X Series Switches User Manual

Page 58: Analysis, Solution, Rpf check mechanism

background image

48

Troubleshooting multicast routing and forwarding

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.

Analysis

If a static multicast route is not correctly configured or updated to match the current network

conditions, it does not exist in the static multicast routing table.

If a better route is found, the static multicast route might also fail.

Solution

1.

Use the display multicast routing-table static command to display information about static

multicast routes to verify that the static multicast route has been correctly configured and the route
entry exists in the static multicast routing table.

2.

Check the type of the interface that connects the static multicast route to the RPF neighbor. If the
interface is not a point-to-point interface, be sure to specify the address for the RPF neighbor.