--- On Tue, 9/13/11, Justin Krejci <jkre...@usinternet.com> wrote: > From: Justin Krejci <jkre...@usinternet.com> > Subject: [c-nsp] BGP neighbor with more specific prefixes > To: "cisco-nsp" <cisco-nsp@puck.nether.net> > Date: Tuesday, September 13, 2011, 5:08 PM > Cisco Folks, > > Internet Transit Providers > Provider 1 > Provider 2 > Provider 3 > Provider 4 > > We have aggregated prefixes (/19's, /18's etc) currently > advertised to > providers 1-3 on a single router. We are bringing on > provider 4 but want > to advertise only a few individual /24's within those > aggregated > prefixes to provider 4 and then tag them no-export. No > other > advertisements to provider 4. > > Can it just be done with the network command to include the > more > specific /24's and the filter out the more specific /24's > with a > prefix-list on our bgp sessions with providers 1-3 and > filter out the > aggregated /18's and /19's on our session with provider 4? > > It seems like inject-map on the provider 4 neighbor > statement might work > as well. > > Are there other more appropriate ways to accomplish this in > IOS? > > Thanks!
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