I believe you could do OSPF on the internet borders and do a default originate and then the OSPF costs would take over. Which is what I believe the other poster is leading up too.
Joseph > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Dan > Sent: Wednesday, April 04, 2007 7:08 PM > To: [EMAIL PROTECTED] > Cc: [email protected] > Subject: Re: [c-nsp] routing question > > Bruce Pinsky wrote: > > Dan wrote: > > > Hello, > > > > > Diagram: > > > > > > http://bp0.blogger.com/_ZwoccirELZg/RhPQ4QRWSEI/AAAAAAAAAAM/Jn > XNbHL_PQs/s1600-h/routing+question.jpg > > > > > I have all of my 3550's & 3560's running ospf and the > 2950's & 2960's > > > trunking to the 3550's and 3560's. I would like for location > > 2960-14 to > > > get its internet from Internet West and location 2960-07 > to get its > > > internet from Internet East. Currently the 0.0.0.0 > 0.0.0.0 1.1.1.1 > > > (default gateway) is causing them both to resort to Internet west. > > (hope > > > this is not to confusing) > > > > > Is there a way I can route the default gateway according to source > > > networks without having to use PBR? The reason I don't > want to use PBR > > > is because if there is any significant amount of traffic > going through > > > the 3550 or 3560 it will cause really high cpu utilization on the > > > switch. Is there some kind of static routing that can be > done, or can > > > use use the 0.0.0.0 0.0.0.0 1.1.1.1 route command > according to source > > > subnet? > > > > > eg: > > > > > if the source ip is 192.168.7.0/24 then use default > gateway 0.0.0.0 > > > 0.0.0.0 2.2.2.2 instead? > > > > > The other question is should I replace this switch with a router > > instead? > > > > > > If you are running OSPF and the costs are as shown in your > diagram, why > > aren't normally IGP metrics taking you to the closest exit > point? Aren't > > you generating default from the Internet gateways? > On switch 3550-02 the default route of 0.0.0.0 0.0.0.0 10.50.2.24 is > pointing to switch 3550-24. The default route on that switch > is 0.0.0.0 > 0.0.0.0 10.50.1.20 which is 3560-20 and then it hits the router. So > locations 2960-14 & 2960-07 are getting there internet from Internet > west because of the default routes. What I want to do is > have location > 2960-07 get its internet from Internet east. > > > You could, of course, use VRF-lite and place them in > separate routing > > instances in lieu of PBR. > > > I still need the ospf routes to work, does this forward all > traffic to a > different destination? > Would you have an example of this? > > Dan. > > _______________________________________________ > 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/
