Are you saying you have a public and private IP on an interface facing the OSPF network? The issue is that OSPF is spitting out the private IP and the other side of the OSPF network is hearing the wrong IP (because it only has the public)?
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, Jan 22, 2014 at 3:37 PM, Matt Larsen - Lists <li...@manageisp.com>wrote: > This does not fix the problem. > > The router with the public IP address sees the private IP as an IP that is > on its external interface. I believe this is due to the src-nat that does > nat for our 10.0.0.0/8 subnets - neighboring router has an IP of > 10.16.0.2/24. > > I have not been having much luck with OSPF filters. I have another > segment on my network where I need to filter out 172.16.0.0/16 routes, > but the OSPF filters will not stop those routes from propagating. > > Matt Larsen > mlar...@vistabeam.com > > > On 1/22/2014 11:51 AM, Grand Avenue Broadband wrote: > >> If the problem is just that the public address occasionally sneaks >> through, you could establish an ospf-in filter to filter out that public >> network. If the problem is that the private address never shows up in >> OSPF, then that would just be masking the symptom and not solving the >> problem. >> >> On Jan 22, 2014, at 11:46 AM, Matt Larsen - Lists <li...@manageisp.com> >> wrote: >> >> I have come across an issue in a couple of places where a router that is >>> running src-nat and ospf barfs on OSPF because the source IP address for >>> the OSPF requests going across the private interface keeps coming up as a >>> public IP address. >>> >>> I end up getting the message "Received packet from an unknown network" >>> over and over again. Is there a good way to prevent this from happening? >>> My guess is that setting up some IP Mangle rules that direct all traffic >>> out the public interface that matches the public network specification will >>> do the trick. Any ideas? >>> >>> Matt Larsen >>> vistabeam.com >>> _______________________________________________ >>> Mikrotik mailing list >>> Mikrotik@mail.butchevans.com >>> http://mail.butchevans.com/mailman/listinfo/mikrotik >>> >>> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >>> RouterOS >>> >> _______________________________________________ >> Mikrotik mailing list >> Mikrotik@mail.butchevans.com >> http://mail.butchevans.com/mailman/listinfo/mikrotik >> >> Visit http://blog.butchevans.com/ for tutorials related to Mikrotik >> RouterOS >> >> > _______________________________________________ > Mikrotik mailing list > Mikrotik@mail.butchevans.com > http://mail.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.butchevans.com/pipermail/mikrotik/attachments/20140122/07a949b9/attachment.html> _______________________________________________ Mikrotik mailing list Mikrotik@mail.butchevans.com http://mail.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS
