3Com MSR 30, MSR 50 manual Information about the sent BGP Open message, AFI/ Safi, Wtr

1022 CHAPTER 73: BGP DEBUGGING COMMANDS

Table 227 Description on the fields of the debugging bgp open command

Field			Description
Version: X			BGP protocol version
Local AS: X			Local AS number
OPT Type:	2 (Capability)		Capability negotiation
CAP Type:	1 (Multiprotocol) CAP Len: 4		Multiprotocol capability: afi: 1; safi: 1
IPv4-UNC (1/1)			Capable of route-refresh
CAP Type: 2 (RouteRefresh) CAP Len: 0
Total CAPB Len		: X	Total capability length
Total OPT Len		: X	Total optional parameter length
Table 228 Description on the fields of the debugging bgp refresh command
Field			Description
AFI/ SAFI			Address family/sub-address family
WTR			(When to Refresh) Wait delay for sending
			refresh messages

For details about UPDATE message debugging information, refer to the following section.

Examples # Display the debugging information about all the BGP messages received and sent, including Open, Keepalive, Update, and Route-refresh, while Device A and Device B are establishing a BGP peer relationship with each other.

<Sysname> debugging bgp <Sysname> system-view [Sysname] bgp 100 [Sysname-bgp] undo synchronization

[Sysname-bgp] peer 11.1.1.2 group 200

*0.2683484 4945 RM/6/RMDEBUG:

BGP.: 11.1.1.2 Send OPEN, Version: 4

Local AS: 100, HoldTime: 180, Router ID: 192.168.74.1

OPT Type:	2	(Capability)
CAP Type:	1	(Multiprotocol)	CAP Len: 4
			IPv4-UNC (1/1)
CAP Type:	2	(RouteRefresh)	CAP Len: 0
Total CAPB Len		: 8
Total OPT Len		: 10
Total Message		Len : 39

// Information about the sent BGP Open message

*0.2683500 4945 RM/6/RMDEBUG:

BGP.: 11.1.1.2 Recv OPEN Length:					39
Version: 4, Local AS: 200, HoldTime : 180,
BGP ID: 192.168.74.2, TotOptLen:					10
OPT	Type:	2	(Capability)	OPT		Len: 8
CAP	Type:	1	(Multiprotocol)	CAP		Len: 4