3Com 8807 Configuration Manual page 504

504 C 46: MBGP M
HAPTER
E C
ULTICAST XTENSION ONFIGURATION
[SwitchB-bgp] ipv4-family multicast
[SwitchB-bgp-af-mul] peer b1 enable
[SwitchB-bgp-af-mul] peer b2 enable
Configure Switch C:
<SwitchC> system-view
System View: return to User View with Ctrl+Z.
[SwitchC] vlan 30
[SwitchC-vlan30] port ethernet3/1/3
[SwitchC-vlan30] quit
[SwitchC] interface vlan-interface 30
[SwitchC-Vlan-interface30] ip address 193.1.1.2 255.255.255.0
[SwitchC-Vlan-interface30] quit
[SwitchC] vlan 50
[SwitchC-vlan50] port ethernet3/1/5
[SwitchC-vlan50] quit
[SwitchC] interface vlan-interface 50
[SwitchC-Vlan-interface50] ip address 195.1.1.2 255.255.255.0
[SwitchC-Vlan-interface50] quit
[SwitchC] ospf
[SwitchC-ospf-1] area 0
[SwitchC-ospf-1-area-0.0.0.0] network 193.1.1.0 0.0.0.255
[SwitchC-ospf-1-area-0.0.0.0] network 195.1.1.0 0.0.0.255
[SwitchC-ospf-1-area-0.0.0.0] quit
[SwitchC-ospf-1] quit
[SwitchC] bgp 200
[SwitchC-bgp] undo synchronization
[SwitchC-bgp] group c1 external
[SwitchC-bgp] peer 193.1.1.1 group c1 as-number 100
[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).