Re: The Big Squeeze

[randy () psg com (Randy Bush)]

> > > I would suggest that the largest percentage of flapping prefixes in the
> > > global routing system belong to prefixes longer than /19.
> >
> > Hence the convention to damp differently for different lengths.  See one of
> > the foils in http://www.psg.com/~randy/970210.nanog/, which suggests that we
> > over here start following the European lead on this.
>
> Also, the dampening defaults:
>
> bgp dampening <halflife-time> <reuse> <suppress> <maximum-suppress-time>
>
> <halflife-time>     default is 15 minutes
> <reuse-value>       default is 750
> <suppress-value>    default is 2000 (I thought it was 1000, but docs indicate
>                     otherwise)
> <max-suppress-time> default 4 times halflife-time

Wellllll.  To be tactless .....

If the ops are heading toward the above-described convention, would it not
be cool if the router vendors made it the default?

randy
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