3Com 3C13636 Configuration Manual page 781

3Com Router 3000 Ethernet Family
Configuration Guide
# Configure the threshold for a specified multicast group to switch from the shared tree
to the shortest path tree to 10 kbps.
[RouterA] acl number 2005
[RouterA-acl-basic-2005] rule permit source 224.0.1.1 0.0.0.255
[RouterA-acl-basic-2005] quit
[RouterA] pim
[RouterA-pim] spt-switch-threshold 10 group-policy 2005
# Enable OSPF on interfaces Ethernet0/0/0, Serial1/0/0, and Serial1/1/0.
[RouterA] ospf
[RouterA-ospf-1] area 0
[RouterA-ospf-1-area-0.0.0.0] network 10.16.1.0 0.0.0.255
[RouterA-ospf-1-area-0.0.0.0] network 10.16.2.0 0.0.0.255
[RouterA-ospf-1-area-0.0.0.0] network 10.16.3.0 0.0.0.255
[RouterA-ospf-1-area-0.0.0.0] quit
[RouterA-ospf-1] quit
2) Configure Router C:
# Enable PIM-SM.
<RouterC> system-view
[RouterC] multicast routing-enable
[RouterC] interface ethernet 0/0/0
[RouterC-Ethernet0/0/0] pim sm
[RouterC-Ethernet0/0/0] ip address 10.16.4.1 24
[RouterC-Ethernet0/0/0] quit
[RouterC] interface serial 1/0/0
[RouterC-Serial1/0/0] pim sm
[RouterC-Ethernet0/0/0] ip address 10.16.2.2 24
[RouterC-Serial1/0/0] quit
[RouterC] interface serial 1/1/0
[RouterC-Serial1/1/0] pim sm
[RouterC-Ethernet0/0/0] ip address 10.16.5.1 24
# Enable OSPF on interfaces Ethernet0/0/0, Serial1/0/0, and Serial1/1/0.
[RouterC] ospf
[RouterC-ospf-1] area 0
[RouterC-ospf-1-area-0.0.0.0] network 10.16.4.0 0.0.0.255
[RouterC-ospf-1-area-0.0.0.0] network 10.16.2.0 0.0.0.255
[RouterC-ospf-1-area-0.0.0.0] network 10.16.5.0 0.0.0.255
[RouterC-ospf-1-area-0.0.0.0] quit
[RouterC-ospf-1] quit
3) Configure Router B:
# Enable PIM-SM.
3Com Corporation
4-19
Chapter 4 PIM Configuration