[c-nsp] neighbor remove-private-as don't work on PE-CE

Ibrahim Abo Zaid ibrahim.abozaid at gmail.com
Wed Oct 6 13:15:05 EDT 2010


yes and it is still here
and that is normal because it is eBGP session at the end
so PE1 will attach it is ASN in outbound updates , but as you know with
local-as feature we can manipulate real ASN and make it replaced with local
ASN
but i can't do the reverse and that is what i want


any ideas ?



On Wed, Oct 6, 2010 at 7:08 PM, Roger Wiklund <copse at xy.org> wrote:

> Have you tried local-as no-prepend replace-as. That should only show
> the local-as in the path, and thus you can manipulate it that way.
>
> Regards
> Roger
>
> On Wed, Oct 6, 2010 at 6:23 PM, Ibrahim Abo Zaid
> <ibrahim.abozaid at gmail.com> wrote:
> > sorry guys , but i already tried as-override and remove private before
> > posting :)
> >
> > here is the topology to give you a wider image about the topology
> >
> > Cory
> >
> > plz check the topology
> > as i said before , i need CE1 to see the routes of CE2 without 64550 in
> > as-path
> >
> > i hope you got me now
> >
> >
> > On Wed, Oct 6, 2010 at 6:05 PM, Heath Jones <hj1980 at gmail.com> wrote:
> >
> >> > If the customer is provisioned inside a VRF you could use the
> AS-override
> >> feature to rewrite each AS Hop in the path to the configured BGP
> neighbor
> >> ASN.
> >> >
> >>
> http://www.cisco.com/en/US/docs/ios/12_3/switch/command/reference/swi_n1.html#wp1034057
> >>
> >> Yep, looks like you should use either of these, depending on scenario:
> >> as-override  = Override matching AS-number while sending update
> >> remove-private-as  =  Remove private AS number from outbound updates
> >>
> >> I think Cory is probably correct as this does sound like a VRF
> scenario...
> >>
> >> > Why do you need to manipulate the path attribute?  What are you trying
> to
> >> accomplish?  Perhaps there is another approach.
> >> Otherwise
> >>
> >
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> >
>


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