display bgp flow vpnv4 vpn-instance peer verbose

Function

The display bgp flow vpnv4 vpn-instance peer verbose command displays BGP VPN FlowSpec and BGP VPNv4 FlowSpec peer detailed information.

Format

display bgp flow vpnv4 vpn-instance vpn-instance-name peer verbose

display bgp flow vpnv4 vpn-instance vpn-instance-name peer ipv4-address verbose

Parameters

Parameter	Description	Value
vpn-instance-name	Specifies the name of a VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.
ipv4-address	Specifies an IPv4 address.	The value is in dotted decimal notation.

Parameter

Description

Value

vpn-instance-name

Specifies the name of a VPN instance.

The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.

ipv4-address

Specifies an IPv4 address.

The value is in dotted decimal notation.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bgp	read

Usage Guidelines

Usage Scenario

After BGP FlowSpec is enabled and a BGP FlowSpec peer relationship is established, you can run the display bgp flow vpnv4 vpn-instance peer verbose command to query detailed information about the BGP VPN FlowSpec and BGP VPNv4 FlowSpec peer.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display detailed information about BGP VPN FlowSpec peers.

<HUAWEI> display bgp flow vpnv4 vpn-instance vpna peer verbose
BGP Peer is 10.2.1.2,  remote AS 200
         Type: IBGP link
         BGP version 4, Remote router ID 3.3.3.3
         Update-group ID: 2
         BGP current state: Established, Up for 1d13h13m00s
         BGP current event: KATimerExpired
         BGP last state: OpenConfirm
         BGP Peer Up count: 1
         Received total routes: 1
         Received active routes total: 1
         Advertised total routes: 0
         Port: Local - 61849        Remote - 179
         Configured: Connect-retry Time: 32 sec
         Configured: Min Hold Time: 0 sec
         Configured: Active Hold Time: 180 sec   Keepalive Time:60 sec
         Received  : Active Hold Time: 180 sec
         Negotiated: Active Hold Time: 180 sec   Keepalive Time:60 sec
         Peer optional capabilities:
         Peer supports bgp multi-protocol extension
         Peer supports bgp route refresh capability
         Peer supports bgp 4-byte-as capability
         Address family FLOWv4: advertised and received
 Received: Total 2558 messages
                  Update messages                6
                  Open messages                  1
                  KeepAlive messages             2551
                  Notification messages          0
                  Refresh messages               0
 Sent: Total 2568 messages
                  Update messages                1
                  Open messages                  1
                  KeepAlive messages             2566
                  Notification messages          0
                  Refresh messages               0
 Authentication type configured: None
 Last keepalive received: 2017-06-08 02:01:54+00:00
 Last keepalive sent    : 2017-06-08 02:02:08+00:00
 Last update    received: 2017-06-07 04:52:18+00:00
 Last update    sent    : 2017-06-06 12:49:24+00:00
 No refresh received since peer has been configured
 No refresh sent since peer has been configured
 Minimum route advertisement interval is 15 seconds
 Optional capabilities:
 Route refresh capability has been enabled
 4-byte-as capability has been enabled
 Peer Preferred Value: 0
 Memory Priority: high
 Routing policy configured:
 No routing policy is configured

**Table 1** Description of the **display bgp flow vpnv4 vpn-instance peer verbose** command output
Item	Description
BGP version	BGP version.
BGP current state	Current BGP status: Idle: BGP denies any connection request. This is the initial state of BGP. Active: BGP tries to establish a TCP connection. This is the intermediate state of BGP. Connect: BGP is waiting for the TCP connection establishment to complete before performing further actions. OpenSent: BGP is waiting for an Open message from the peer. OpenConfirm: BGP is waiting for a Notification or Keepalive message. Established: BGP FlowSpec peers can exchange Update, Notification, and Keepalive messages. No neg: The address family is not enabled for the BGP peer. In this state, Update messages can be exchanged in other address families whose capabilities have been successfully negotiated. If the address family is enabled for the BGP peer, the local BGP peer receives a Notification message, and the peer relationship is disconnected. Then, the BGP peer changes to the Idle state and re-establishes the peer relationship.
BGP current event	Current BGP event.
BGP last state	State of last BGP stage, which may be Idle, Connect, Active, OpenSent, OpenConfirm, Established or No neg.
BGP Peer Up count	Number of times the BGP FlowSpec peer alternates between Up and Down.
Peer optional capabilities	Optional capabilities supported by the BGP FlowSpec peer.
Peer supports bgp multi-protocol extension	The BGP FlowSpec peer supports MP-BGP.
Peer supports bgp route refresh capability	The BGP FlowSpec peer supports route-refresh.
Peer supports bgp 4-byte-as capability	The BGP FlowSpec peer supports 4-byte AS numbers.
Peer Preferred Value	Preferred value of the BGP FlowSpec peer.
Remote router ID	Router ID of the BGP FlowSpec peer.
Update-group ID	Update group ID of the BGP FlowSpec peer.
Received total routes	Number of route prefixes received.
Received active routes total	Number of active route prefixes received.
Received : Active Hold Time	Hold time of the BGP FlowSpec peer.
Received	Number of messages received from the BGP FlowSpec peer: Total: indicates the total number of messages. Update messages: indicates the number of Update messages. Open messages: indicates the number of Open messages. KeepAlive messages: indicates the number of Keepalive messages. Notification messages: indicates the number of Notification messages. Refresh messages: indicates the number of route-refresh messages.
Advertised total routes	Number of route prefixes sent.
Keepalive Time	Indicates the interval at which Keepalive messages are sent to the peer.
Negotiated: Active Hold Time	Hold time negotiated with the BGP FlowSpec peer.
4-byte-as capability has been enabled	The 4-byte AS numbers are supported.
Address family FLOWv4	BGP-Flow VPN instance IPv4 address family.
Authentication type configured	Authentication type.
Last keepalive received	Last time when Keepalive messages were received.
Last keepalive sent	Time at which the last keepalive message is sent.
Optional capabilities	Optional capabilities supported by the BGP FlowSpec peer.
Route refresh capability has been enabled	Route-refresh is enabled.
Memory Priority	The priority for a BGP peer relationship to be disconnected if memory overload occurs.
Routing policy configured	Routing policy configured.
Type	BGP link type, which can be either IBGP Link or EBGP Link.
Port	Port number: Local: local port number, which is fixed at 179 because BGP uses TCP as the transport layer protocol. Remote: port number of the BGP FlowSpec peer.
Configured	Timers that are locally configured: Active Hold Time: indicates the hold time. If BGP does not receive any Keepalive messages from the BGP FlowSpec peer in the hold time, BGP considers that the peer is Down. BGP then instructs the other peers to withdraw the routes received from this peer. Keep Alive Time: indicates the interval for sending Keepalive messages to the BGP FlowSpec peer. BGP FlowSpec peers exchange Keepalive messages periodically, indicating that they are normal.
Sent	Number of messages sent to the BGP FlowSpec peer: Total: indicates the total number of messages. Update messages: indicates the number of Update messages. Open messages: indicates the number of Open messages. KeepAlive messages: indicates the number of Keepalive messages. Notification messages: indicates the number of Notification messages. Refresh messages: indicates the number of route-refresh messages.