Re: AS-override with AS Path Prepend

That's not what I meant.
There has to be no intervening AS between SP's AS and customer's AS.

Say your SP's AS is 100 and customer's AS is 555, an AS path of
"555 555 555 25" would become "100 100 100 100 25" but
"40 555" would go to "100 40 555".

-Carlos

Rick Mur @ 30/04/2010 8:56 -0300 dixit:
> Like Carlos said ALL AS numbers are overwritten with the ISP AS. Of course only when they are together, otherwise you would have a loop and BGP always drops these updates.
>
>
> -- Regards, Rick Mur CCIE2 #21946 (R&S / Service Provider) Sr. Support Engineer  IPexpert, Inc. URL: http://www.IPexpert.com On 26 apr 2010, at 23:47, Carlos G Mendioroz wrote:
>> > All of them are changed, as long as they are together (i.e. no
>> > intervening ASs).
>> >
>> > -Carlos
>> >
>> > Ahmed Mohamed @ 26/04/2010 18:36 -0300 dixit:
>>>> >>> Hello Everybody,
>>>> >>>
>>>> >>> if AS-override is used on a PE, where the CE is configured with as-prepend,
>>>> >>> how would this integrate?
>>>> >>>
>>>> >>> would all prepended AS's changed into the ISP's AS ? , or prepend os
>>>> >>> bypassed and only one AS is changed?
>>>> >>>
>>>> >>> thx
>>>> >>> Ahmed
>>> >>
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>> >
>> > --
>> > Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>> >
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net