3Com 8800 Configuration Manual page 369

3Com Switch 8800 Configuration Guide
[SwitchC-bgp] group c2 internal
[SwitchC-bgp] peer 194.1.1.2 group c2
[SwitchC-bgp] peer 195.1.1.1 group c2
[SwitchC-bgp] ipv4-family multicast
[SwitchC-bgp-af-mul] peer c1 enable
[SwitchC-bgp-af-mul] peer c2 enable
Configure the local preference attribute of Switch C.
Add ACL 2000 on Switch C to permit network 1.0.0.0.
[SwitchC] acl number 2000
[SwitchC-acl-basic-2000] rule permit source 1.0.0.0 0.255.255.255
[SwitchC-acl-basic-2000] quit
Define the routing policy named "localpref". Set the local preference for the routes
matching ACL 2000 to 200, and otherwise, to 100.
[SwitchC] route-policy localpref permit node 10
[SwitchC-route-policy] if-match acl 2000
[SwitchC-route-policy] apply local-preference 200
[SwitchC-route-policy] quit
[SwitchC] route-policy localpref permit node 20
[SwitchC-route-policy] apply local-preference 100
Apply this routing policy to the inbound traffic from BGP neighbor 193.1.1.1
(Switch A).
[SwitchC] bgp 200
[SwitchC-bgp] ipv4-family multicast
[SwitchC-bgp-af-mul] peer 193.1.1.1 route-policy localpref import
4) Configure Switch D:
[SwitchD] vlan 40
[SwitchD-vlan40] port ethernet4/1/4
[SwitchD-vlan40] quit
[SwitchD] interface vlan-interface 40
[SwitchD-Vlan-interface40] ip address 194.1.1.1 255.255.255.0
[SwitchD-Vlan-interface40] quit
[SwitchD] vlan 50
[SwitchD-vlan50] port ethernet4/1/5
[SwitchD-vlan50] quit
[SwitchD] interface vlan-interface 50
[SwitchD-Vlan-interface50] ip address 195.1.1.1 255.255.255.0
[SwitchD-Vlan-interface50] quit
[SwitchD] ospf
[SwitchD-ospf-1] area 0
[SwitchD-ospf-1-area-0.0.0.0] network 194.1.1.0 0.0.0.255
[SwitchD-ospf-1-area-0.0.0.0] network 195.1.1.0 0.0.0.255
[SwitchD-ospf-1-area-0.0.0.0] network 4.0.0.0 0.0.0.255
Chapter 31 MBGP Multicast Extension Configuration
31-15