It actually works as Adams has proved. The problem is that people wrongly expect it to work on adverts to the local-as peer. It works on adverts to other bgp peers. It strips off the local-as that was prepended to routes received from the local-as peer.
On 24 February 2012 02:53, ar <[email protected]> wrote: > Hi. > > This local-as no prepend feature is not working based on my experience. > What platforms are you using? > > > > > > ________________________________ > From: "Bodnar, Edward" <[email protected]> > To: Steve Storniak <[email protected]>; "[email protected]" < > [email protected]> > Cc: "[email protected]" <[email protected]> > Sent: Thursday, February 23, 2012 4:51 PM > Subject: Re: [OSL | CCIE_RS] BGP local-as no-pepend > > I will grab and post my config tomorrow. Either I am not understanding > this command or I am not configuring it right. It’s a fairly simple > command so I can’t see the latter but I will post my config. > > From: Steve Storniak [mailto:[email protected]] > Sent: Thursday, February 23, 2012 7:15 PM > To: [email protected]; Bodnar, Edward > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] BGP local-as no-pepend > > > Per RFC "no-prepend" instructs the node to not add the local as to > prefixes received from other eBGP peers. > "Replace-as" removes the local as in the as-path sent to eBGP peers. > Am O wrong? > > Steve > > > ________________________________ > From: Bodnar, Edward <[email protected]>; > To: Adam Booth <[email protected]>; > Cc: [email protected] <[email protected]>; > Subject: Re: [OSL | CCIE_RS] BGP local-as no-pepend > Sent: Thu, Feb 23, 2012 11:27:59 PM > I 100% agree. Just not sure what the local-as no-prepend does. > > From: Adam Booth [mailto:[email protected]<javascript:return>] > Sent: Thursday, February 23, 2012 6:11 PM > To: Bodnar, Edward > Cc: [email protected]<javascript:return> > Subject: Re: [OSL | CCIE_RS] BGP local-as no-pepend > > Hi Edward. > > If also you include "replace-as" in the neighbor statement, AS 100 should > be hidden. > > Cheers, > Adam > > On Fri, Feb 24, 2012 at 6:48 AM, Bodnar, Edward <[email protected] > <javascript:return><mailto:[email protected]<javascript:return>>> > wrote: > Not sure what this command is suppose to do . > > I set it and it does not filter any AS's > > > Router bgp 100 > Neigh 2.2.2.2 Local-as 10 no-prepend > > The router on the other side will still see AS 100 and AS10 in its path. > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com<http://www.ipexpert.com> > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com<http://www.PlatinumPlacement.com> > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > Are you a CCNP or CCIE and looking for a job? Check out > www.PlatinumPlacement.com > > http://onlinestudylist.com/mailman/listinfo/ccie_rs > -- -- Olugbenga Oyebande MD, DAIT 234-803-302-5287 http://www.dait-ng.com Cisco Networks, Network Security & Quality of Service DAIT Linux Enterprise Network Servers, Web Portal Projects Broadband Internet Deployment & ISP Consultancy _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
