display bgp vpnv6 routing-table flap-info

Function

The display bgp vpnv6 routing-table flap-info command displays statistics about BGP VPNv6 route flapping.

Format

display bgp vpnv6 { all | route-distinguisher rdValue } routing-table flap-info [ as-path-filter { as-path-filter-number | as-path-filter-name } | regular-expression regular | ipv6-address [ ipv6-mask-length [ longer-match ] ] ]

Parameters

Parameter	Description	Value
all	Displays all information on VPNv6 and IPv6 VPN instances.	-
route-distinguisher rdValue	Specifies an RD of a remote route.	The value is a string of 3 to 21 case-sensitive characters, spaces not supported.
as-path-filter as-path-filter-number	Specifies an AS_Path filter index.	The value is an integer ranging from 1 to 256.
as-path-filter as-path-filter-name	Specifies an AS_Path filter name (a string of 1 to 51 characters, which cannot contain only digits).	The value is a string of 1 to 51 case-sensitive characters, with spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.
regular-expression regular	Displays the routes that match the regular expression.	The value is a string of 1 to 80 characters.
ipv6-address	Specifies an IPv6 network address.	The value is a 32-digit hexadecimal number, in the format of X:X:X:X:X:X:X:X.
ipv6-mask-length	Specifies an IPv6 network prefix length.	The value is an integer that ranges from 0 to 128.
longer-match	Allows longer prefix length match.	-

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
bgp	read

Usage Guidelines

Usage Scenario

To view statistics about BGP VPNv6 route flapping, run the display bgp vpnv6 routing-table flap-info command.

Example

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

# Display statistics about BGP route flapping.

<HUAWEI> display bgp vpnv6 all routing-table flap-info regular-expression 200

 BGP Local router ID is 189.113.108.168
 Status codes: * - valid, > - best, d - damped, x - best external, a - add path,
               h - history,  i - internal, s - suppressed, S - Stale
               Origin : i - IGP, e - EGP, ? - incomplete
 RPKI validation codes: V - valid, I - invalid, N - not-found


 Total Number of Routes: 3
 Route Distinguisher: 1:1

  di  Network : 100:1::1                                  PrefixLen : 128
      From    : 2.2.2.2                                   Flaps     : 14
      Duration: 00:02:19                                  Reuse     : 01:06:25
      Path/Ogn: 200?
  di  Network : 200:1::1                                  PrefixLen : 128
      From    : 2.2.2.2                                   Flaps     : 14
      Duration: 00:02:19                                  Reuse     : 01:06:25
      Path/Ogn: 200?
  di  Network : 300:1::1                                  PrefixLen : 128
      From    : 2.2.2.2                                   Flaps     : 14
      Duration: 00:02:19                                  Reuse     : 01:06:25
      Path/Ogn: 200?

**Table 1** Description of the **display bgp vpnv6 routing-table flap-info** command output
Item	Description
BGP Local router ID	ID of the local BGP device. The ID is in the same format as an IPv4 address.
Total Number of Routes	Number of flap routes.
Network	Network address in the BGP routing table.
From	IP address of the peer from which a route is learned.
Flaps	Total number of times of route flapping.
Reuse	Reuse value.
Duration	Flapping duration.
Path/Ogn	AS_Path number and the Origin attribute.