[114393] in North American Network Operators' Group
Re: ASPATH Loop
daemon@ATHENA.MIT.EDU (yangyang. wang)
Sun May 10 12:28:19 2009
In-Reply-To: <DC4018A8-6670-48E9-BC44-5381F40F8F1A@daork.net>
Date: Sun, 10 May 2009 19:13:07 +0800
From: "yangyang. wang" <wyystar@gmail.com>
To: Nathan Ward <nanog@daork.net>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
OK=A3=ACI see, Thanks=A3=A1
2009/5/10 Nathan Ward <nanog@daork.net>:
> On 10/05/2009, at 10:51 PM, yangyang. wang wrote:
>
>> As we know, BGP instance running on routers don't allow loop in
>> ASPATH, why they can be seen in RIBs? It's some particular technical
>> configuration in practice? OR What's wrong with AS3130??
>
>
> Look at the WHOIS entry for AS3130, and notice in the comments field:
> http://psg.com/as3130/
>
> "Regarding strange announcements by AS 3130 of prefixes in 98.128.0.0/16"=
is
> in the big headings on the top of that page.
>
> He is no doubt announcing it with an origin AS of 3130 so no person or
> router complains about inconsistent origins.
>
> --
> Nathan Ward
>
>
>