[c-nsp] Incorrect ASN in Traceroute

Paul Stewart paul at paulstewart.org
Wed Aug 7 11:45:25 EDT 2013


Found the issue - sorry for the noise…

Paul


On 2013-08-07 11:26 AM, "Paul Stewart" <paul at paulstewart.org> wrote:

>Hey folks?
>
>I can't say I've ever run across this and looking for ideas.
>
>Turning up a 7206VXR for the purpose of being a looking glass.  Created
>multi hop BGP connections to nearest core boxes and everything looks good
>except the trace route information.
>
>They are showing the wrong ASN lookups on our own network IP's but also
>further out on the Internet depending on the path.  Most likely it's
>inserting the wrong ASN when lookups can't be found is my guess but why
>isn't it putting our own AS in for at least the local subnets?
>
>Any ideas are most welcome?
>
>Paul
>
>
>
>
>
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