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Can the Outbound Interface Only Be the Point-to-Point Interface During the Configuration of a Static Route for Multicast?

Latest reply: May 11, 2017 00:16:45 963 1 0 0 0
Can the Outbound Interface Only Be the Point-to-Point Interface During the Configuration of a Static Route for Multicast?
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Adamcolob
Created May 11, 2017 00:16:45

When a static route is configured for multicast, the following prompt is displayed. What is the meaning of the prompt?

[~HUAWEI] ip rpf-route-static 30.33.0.2 32 Eth-Trunk 0
Error: The next-hop IP address is required for multi-access media.
This prompt indicates that the next hop is not configured. That is, the interface is not a point-to-point interface.

Other types of interfaces except the point-to-point interface cannot be specified as the RPF interface of the static route for multicast. The reason is that the IP address of the next hop cannot be specified if an RPF interface is used as a broadcast interface; when the multicast performs the RPF check, the neighbor cannot match the IP address of the next hop.

However, other interfaces can be used for the static multicast route. For example, if the next hop of the unicast rather than the outbound interface is configured, the outbound interface of the unicast route is inherited.

In addition, when a static route is configured for multicast, the unicast can be unreachable but links must be properly connected.
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