Pete Templin wrote:
>
>
>For the sake of getting familiar with BGP dampening (we're singly homed,
>so I don't need this yet for our production network), I'm playing with BGP
>dampening (damping?) on the EBGP link between work and home on two 2620s
>both running 12.0(7)T. I'm following the guidelines of ripe-210
>(http://www.ripe.net/ripe/docs/ripe-210.html) nearly to a T (I've added
>our upstream /30 to the default-networks prefix-list just for safe
>keeping, even though that announcement doesn't appear anywhere within our
>BGP tables).
>
>Office is ASN 65216, home is ASN 65101 (both private).
>
>In a nutshell, suppress-value on 192.168.51.0/24 (my home lan) is 3000.
>Half-life is 30, reuse-value is 750, max-suppress-time is 60. For some
>reason, "penalty" never exceeds 3000 on the flapping prefix, so I never
>see it get suppressed:
>
>cisco2(config-subif)#shut
>
>cisco5#sh ip bgp 192.168.51.0
>BGP routing table entry for 192.168.51.0/24, version 1181
>Paths: (1 available, no best path)
>Flag: 0x208
> Not advertised to any peer
> 65101 (history entry)
> 216.136.28.254 from 216.136.28.254 (216.136.28.65)
> Origin IGP, metric 0, localpref 100, external
> Dampinfo: penalty 3000, flapped 9 times in 00:38:48
>
Pete
The entry above is 'history' which means it is suppressed.
tb
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