3com 8807 사용자 가이드

C

HAPTER

 49: BGP/MPLS VPN C

ONFIGURATION

■

Check whether the BGP adjacent is established correctly.

■

Check whether the routing import/export relation of the VPN-instance is 
correct.

■

Check whether allow-as-loop is configured between spoke PE and hub PE.

Fall to specify the Loopback interface at the peer end as the BGP neighbor.

■

Check whether the local routing table has learnt the Loopback interface 
routing information of the peer end using the display ip routing-table 
command.

■

Check whether the address of the Loopback interface at the peer end can be 
pinged using the ping command.

■

Check whether the configuration information is correct using the display 
current-configuration bgp command; confirm that you have specified the 
local loopback interface as the interface to create adjacent interface with the 
peer end by using the peer peer-address connect-interface command; 
confirm that you have activate the neighbor in VPNv4 sub-address family view.

■

Check whether the BGP information is correct on the PE at the peer end; check 
whether specified the local Loopback interface as the interface to create 
adjacent with the peer end; and check whether you have configured VPN 
capacity.

During ASBR configuration, VPN route interior label does not switch on the ASBR.

Solution:

■

Check whether the VPN neighbor is created correctly using the display bgp 
vpnv4 all peer command.

■

Check whether ASBR is configured with the undo policy vpn-target 
command. If not, configure this command.