Hi , Just to be more specific on the solution requirement -
Customer---ISP1---ISP2---Internet Internet should not see ISP1 AS number . I 'm looking for L3 solution. Thanks and Regards J.daniels On 8/10/09, jack daniels <[email protected]> wrote: > Hi, > > Customer---ISP1---ISP2---Internet > > using "local-as no-prepend replace-as" (Cisco commands) > configured for ISP1 BGP peering sessions with "Customer" and "ISP2" > would do the trick of hiding ISP1's AS#. ISP1 will pretend to look > like "Customer" to ISP2, and look like "ISP2" to "Customer". > Furthermore, you may use tunneling in ISP1 (e.g. deploy MPLS) and make > it look almost completely transparent to "Customer". > > The following conditions apply: > If the AS_PATH includes both private and public AS numbers, BGP doesn't > remove the private AS numbers. This situation is considered a configuration > error.<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< > > Please advise how to go for this. > Regards > J.Daniels > > > On 8/10/09, David Freedman <[email protected]> wrote: >> >> If the ISP is in the middle , who is the upstream and what does the >> L2VPN do? can you provide a simple diagram? >> >> Dave. >> >> jack daniels wrote: >> > Hi All, >> > >> > We had a requirement in which customer wants that the ISP- AS should not >> be >> > visible when route are advertised to internet via a upstream(L2 VPN >> > solution). >> > Can we use BGP command no-prepend with Replace AS attribute to hide ISP >> AS >> > in internet. ------------ >> > >> > Can we peer with customer using local AS which will be private AS.We >> will >> > use no prepend command along with Replace AS which will replace ISP AS >> with >> > the private AS which is used for Peering.While going out to any >> > international Peer we will remove private AS . On internet only customer >> AS >> > and Peer AS will be visible. >> > >> > Please advise is this solution will work . Also advise if any better >> > solution for this scenario. >> > >> > >> > Thanks and Regards >> > J.Daniels >> > _______________________________________________ >> > cisco-nsp mailing list [email protected] >> > https://puck.nether.net/mailman/listinfo/cisco-nsp >> > archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > >> >> > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
