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Re: [MISC] TDC router trafik forkert



"Klaus S. Madsen" <sslug@sslug> writes:

> Så TDC ser bestemt mærkelig ud, eftersom den samme pakke kommer til den
> samme router 2 gange...

Først svarer det interface du normalt snakker ind ad, og derefter
svarer routeren at den ikke kendte nogen route til 207.58.163.194. Det
er ikke så mærkeligt.

Desværre lader det til at looking glasses er gået totalt af mode, øv,
så jeg kan ikke lige checke hvordan verden ser ud fra andre steder.

TDC's looking glass findes dog endnu på http://noc.tele.dk/ (jubii),
og den siger at den kender routen til 207.58.163.194 som en /32 route
med en localpref på intet mindre end 5000 og med en intern AS-path.
Den kender routen til 207.58.163.195 med en AS-path der hedder 3491
25847 I og en localpref på 100 (mere normalt, og ofte brugt default)
som en route til 207.58.160.0/20. For mig ser det ud som om TDC
specifikt har valgt at filtrere 207.58.163.194 ned i /dev/null.

Hvorfor de lige har valgt at filtrere den adresse skal jeg ikke kunne
sige. Måske har den pågældende server gjort sig uheldigt bemærket på
en eller anden vis.

-- 
Jacob - www.bunk.cc
When all else fails, read the instructions.


 
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