Configuration Examples - H3C S7500E Series Operation Manual

Operation Manual – Multicast
H3C S7500E Series Ethernet Switches
Caution:
The reset command clears the information in the multicast routing table or the
multicast forwarding table, and thus may cause failure of multicast transmission.
When a routing entry is deleted from the multicast routing table, the corresponding
forwarding entry will also be deleted from the multicast forwarding table.
When a forwarding entry is deleted from the multicast forwarding table, the
corresponding route entry will also be deleted from the multicast routing table.

7.5 Configuration Examples

7.5.1 Changing an RPF Route
I. Network requirements
PIM-DM runs in the network. All switches in the network support multicast.
Switch A, Switch B and Switch C run OSPF.
Typically, Receiver can receive the multicast data from Source through the path
Switch A – Switch B, which is the same as the unicast route.
Perform the following configuration so that Receiver can receive the multicast data
from Source through the path Switch A – Switch C – Switch B, which is different
from the unicast route.
II. Network diagram
Figure 7-3 Network diagram for RPF route alternation configuration
Chapter 7 Multicast Routing and Forwarding
7-12
Configuration