command that can display routes containing AS loops

Mon Jan 12 13:36:11 UTC 2015

Hi Dave,

thanks! I tried the command and found that it works. Do you know the 
similar command on cisco?

Regards,

Song

在 2015/1/12 21:16, Dave Bell 写道:
> On a Juniper, you could do something like:
>
>   show route hidden aspath-regex .*<Target-AS>.*
>
> Regards,
> Dave
>
> On 12 January 2015 at 13:05, Song Li <refresh.lsong at gmail.com> wrote:
>> Hi everyone,
>>
>> I am curious about the AS loops in the AS-path. I think there should be a
>> very, very few received BGP routes that contain the local AS#. But because
>> such routes will be dropped and not installed in Loc-RIB, I want to know if
>> there is a command that can display the dropped routes containing AS loops
>> (in cisco or juniper router). Does anybody know?
>>
>> Thanks!
>>
>> Best!
>>
>> --
>> Song Li
>> Room 4-204, FIT Building,
>> Network Security,
>> Department of Electronic Engineering,
>> Tsinghua University, Beijing 100084, China
>> Tel:( +86) 010-62446440
>> E-mail: refresh.lsong at gmail.com

-- 
Song Li
Room 4-204, FIT Building,
Network Security,
Department of Electronic Engineering,
Tsinghua University, Beijing 100084, China
Tel:( +86) 010-62446440
E-mail: refresh.lsong at gmail.com