Re: Hello, route filters?

[Todd Romero <todd () routeflap net>]

if you were my neighbor, and you had a gangly tree overgrown into my
yard that i took an issue to, i think i would most likely call or talk to
you personally about the issue, rather than carry out some agenda by
sending pictures of it to the community newsletter, saying "hey everyone
look what this guy is doing"



On Mon, 29 Oct 2001, Adam Rothschild wrote:

> Just a brief follow-up to what I posted previously...
>
> On Mon, Oct 29, 2001 at 02:33:30AM -0500, Adam Rothschild wrote:
> > I guess I see the rationale behind passing this cruft along to EXDS
> > transit customers who haven't yet read the filtering section of
> > Halabi (remember: more specifics == more outbound traffic from
> > customer == more revenue).  But exchange points?
>
> This is a full view from Exodus:
>
> x.x.x.x   4  3967  243954   11543   752069    0    0 1d11h    106124
>
> This is the same full view from Exodus if they'd practice what they
> preach(ed) and apply <http://www.nielsen.net/people/christian/linx.html>:
>
> x.x.x.x   4  3967  262248   11546   752112   26    0 1d11h       87853
>
> There are some particularly entertaining "bogons" (well, in my mind)
> in the non-abbreviated version, including:
>
> $ /usr/local/rancid/bin/clogin -c "show ip bgp regex 3967_" border1.nyc1 > exds-routes
> $ grep "/32" exds-routes |wc -l
>      27
> $ grep "/31" exds-routes | wc -l
>       2
> $ grep "/30" exds-routes | wc -l
>     293
> $ grep "/29" exds-routes | wc -l
>     114
> $ grep "/28" exds-routes | wc -l
>     269
> $ grep "/27" exds-routes | wc -l
>     220
> $ grep "/26" exds-routes | wc -l
>     275
> $ grep "/25" exds-routes | wc -l
>     312
> $ grep "> 10." exds-routes
> *> 10.255.253.34/32 x.x.x.x                          0 3967 i
> *> 10.255.253.35/32 x.x.x.x                          0 3967 i
> *> 10.255.254.34/32 x.x.x.x                          0 3967 i
> *> 10.255.254.35/32 x.x.x.x                          0 3967 i
>
> Can a brother get some prefix-filters?
>
> -adam