> you can use "BGP Conditional Route Injection" to generate the /28. (it shud be a child subnet out of the parent /24). then filter the prefixes so select which all upstreams shud receive this injected > subnet.
thanks swap will explore your suggestion. >Be aware that many (most) ISPs would filter subnets longer than /24, so >your /28 would be most likely filtered (even if you direct upstream >would send it through). >Arie Thanks arie, will keep it in mind. On Tue, Jan 5, 2010 at 5:00 PM, Ivan Pepelnjak <[email protected]> wrote: > Are you trying to do destination-based routing (packet TO specific address > should go over specific link) or source-based routing (packet FROM specific > /28 should go over specific upstream link)? > > Hi Ivan, I guess both. i just want to have a specific ip block traffic contained to a specific link ( the ip addresses are broadcast under BGP) regards, Chris > -----Original Message----- > > From: Dracul [mailto:[email protected]] > > Sent: Tuesday, January 05, 2010 8:05 AM > > To: [email protected] > > Subject: [c-nsp] BGP ip addresses re-route to specific link > > > > Hi there, > > > > I was wondering if you could do a segregate route, for specfic ip > > addresses > > under BGP going only to a specific link. > > for example if I have /24 default route BGP pool and I want only /28 ip > > addresses using upstream1 and not by any > > account go through upstream2. The rest would still be using the usual BGP > > routing behavior. THanks! > > > > regards, > > Chris > > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
