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3Com Switch 8800 Configuration Guide Chapter 37 BGP/MPLS VPN Configuration
37-23
Table 37-26 Permit BGP session over any operable TCP interface
Operation Command
Permit BGP session over any operable
TCP interface
peer { peer-address | group-name }
connect-interface { interface-type
interface_num }
Use the best local address for TCP
connection
undo peer { peer-address |
group-name } connect-interface
BGP creates BGP adjacency to the peer end using specific interfaces, which is usually
the loopback interface. Because this interface is always in the up state, and thus
reduces the strike brought by network shock.
2) Configure MP-IBGP
Step 1: Enter protocol address family view.
Perform the following configuration in BGP view.
Table 37-27 Configure VPNv4 address family
Operation Command
Enter VPNv4 sub-address family view
ipv4-family vpnv4 [ unicast ]
Delete VPNv4 sub-address family view
configuration
undo ipv4-family vpnv4 [ unicast ]
Step 2: Configure MBGP neighbor
Configure internal neighbor of MBGP in VPNv4 sub-address family view.
Table 37-28 Configure peer group
Operation Command
Create a peer group
group group-name [ internal | external ]
Delete a specific peer group
undo group group-name
Choose the internal keyword when using the command to create an IBGP peer group.
Step 3: Activate peer (group)
By default, BGP neighbor is active while MBGP neighbor is inactive. You must enable
MBGP neighbor in VPNv4 sub-address family view.