297
network-operator
Parameters
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string
of 1 to 31 characters. If no VPN instance is specified, the command displays BGP IPv4 unicast route flap
statistics for the public.
network-address: Specifies a destination network address.
mask: Specifies a network mask, in dotted decimal notation.
mask-length: Specifies a mask length in the range of 0 to 32.
longest-match: Displays the routing entries selected through the following steps:
1. AND the specified network address with the specified mask.
2. Display the route with the longest mask among the matching routes that have a mask shorter than
or equal to the specified mask.
as-path-acl as-path-acl-number: Specifies an AS path list by its number in the range of 1 to 256 to filter
BGP IPv4 unicast route flap statistics.
Usage guidelines
When you execute the display bgp routing-table flap-info ipv4 unicast command:
• If the network-address, mask, and mask-length arguments are not specified, the command displays
flap statistics of all BGP IPv4 unicast routes for the public network or the specified VPN.
• If only the network-address argument is specified, the system ANDs the network address with the
mask of a route. If the result matches the network address of the route, the command displays flap
statistics of the route.
• If the network-address mask or network-address mask-length argument is specified, and the
longest-match keyword is not specified, the command displays flap statistics of the BGP IPv4
unicast route that matches both the specified destination network address and the mask (or mask
length).
The command with the unicast keyword has the same effect as that without the unicast keyword.
Examples
# Display BGP IPv4 unicast route flap statistics for the public network.
<Sysname> display bgp routing-table flap-info ipv4
Total number of routes: 1
BGP local router ID is 192.168.1.135
Status codes: * - valid, > - best, d - dampened, h - history,
s - suppressed, S - stale, i - internal, e - external
Origin: i - IGP, e - EGP, ? - incomplete
Network From Flaps Duration Reuse Path/Ogn
de 20.1.1.0/24 10.1.1.2 1 00:02:36 00:53:58 100i
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