MikroTik strikes again ?

Bret Clark bclark at spectraaccess.com
Mon May 3 05:44:53 CDT 2010


Tim Warnock wrote:
>> Adrian M wrote:
>>     
>>> MikroTik strikes again ?
>>>
>>> %BGP-6-ASPATH: Long AS path ... 39412 39625 39625 39625 39625 39625
>>> 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625 39625
>>>       
>> From: Bret Clark [mailto:bclark at spectraaccess.com]
>> Sent: Monday, 3 May 2010 8:26 PM
>> To: nanog at nanog.org
>> Subject: Re: MikroTik strikes again ?
>>
>> Uhm....okay...but why does anyone prepend their ASN that much? Are you
>> saying the Mikrotik did that on purpose?
>>
>>     
>
> MikroTik asks for an amount of prepends rather than what ASN to prepend
> with.
>
> There was a bug in an old version that would modulus the ASN with 256 and
> prepend that many times.
>
> In this case 39625 modulo 256 = 201 prepends.
>  
>
>
>   
Yeah...guess I see why that would be a problem.



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