HP Comware 5 Debug Manual Vol 1

Field Description
Send UPDATE(Withdraw) to peer x.x.x.x
A route update (withdraw) message was sent to BGP
neighbor x.x.x.x.
Source x.x.x.x
Source address of multicast VPN in the Update
message.
ShareGrp x.x.x.x Share-Group of multicast VPN in the Update message.
Examples
# Device A and Device B have established a BGP peer relationship in MDT instance. Enable debugging
for BGP MDT messages on either device. Output similar to the following example is generated:
<Sysname> debugging bgp update mdt
*Apr 29 14:15:28:15 2008 Sysname RM/6/RMDEBUG:
BGP_MDT: Send UPDATE to peer 1.1.1.1 for following destinations :
*Apr 29 14:15:28:31 2008 Sysname RM/6/RMDEBUG:
Origin : Incomplete
AS Path :
Next Hop : 2.2.2.2
Local Pref : 100
RD 100:1,Source 2.2.2.2,ShareGrp 224.1.1.1,
// A route Update message was sent to BGP peer 1.1.1.1: Origin is Incomplete, next hop is 2.2.2.2, local
preference is 100, RD is 100:1, source address of multicast VPN is 2.2.2.2, and Share-G r o u p i s 2 24 .1.1.1.
*Apr 29 14:15:28:46 2008 Sysname RM/6/RMDEBUG:
BGP_MDT: Recv UPDATE from peer 1.1.1.1 with following destinations :
Update message length : 67
Local Pref : 100
Origin : Incomplete
AS Path :
Next Hop : 1.1.1.1
RD 100:2,Source 1.1.1.1,ShareGrp 224.2.2.2,
// A route Update message was received from BGP peer 1.1.1.1: Update message length is 67, local
preference is 100, Origin is Incomplete, next hop is 1.1.1.1, RD is 100:2, source address of multicast VPN
i s 1.1.1.1, a n d S h a r e -Group is 224.2.2.2.
debugging bgp update peer
Use debugging bgp update peer to enable BGP Update message debugging for the specified
peer/peer group.
Use undo debugging bgp update peer to disable BGP Update message debugging for the specified
peer/peer group.
Syntax
debugging bgp update peer { ipv4-address | group-name } [ acl acl-number | ip-prefix ip-prefix-name ]
[ receive | send ] [ verbose ]
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