Can you set up a network address translation both ways so that the routers think they're talking to a router on the same subnet?
Big guessing going on here (on my part). Gareth ""pat"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Thanks for your repply. > > When I try to specify outside router as neighbor using > neighbor command > I get "OSPF: Neighbor address does not map to an > interface". How do I resolve > this issue ? > > What do you mean by "If you are doing NAT then a > global and > nat combination need to represent the internal IP > addresses > to the outside network"...? Can you give can example? > > I am doing NAT on firewall. > > The Ip address are as follows > > Inside router Ethernet 10.10.2.1 > Firewall inside 10.10.2.1 > Firewall outside 138.12.48.2 > Outside Router ethernet 138.12.48.1 > > > Thanks a lot for everybody's response. > > > > --- "Engelhard M. Labiro" > wrote: > > Sorry, replying my own message. > > The access-list below assumes that you are able to > > use nat 0 command (no NAT translation will occur > > for the internal IP addressess to be seen from > > outside > > network). If you are doing NAT then a global and > > nat combination need to represent the internal IP > > addresses > > to the outside network, before applying the > > access-list below. > > > > Hope you get the idea. > > > > > Since OSPF uses IP protocol 89, permit this > > protocol between > > > the two OSPF routers with access-list applied at > > outside and inside > > > PIX interfaces, something like this: > > > access-list 101 permit 89 host 1.1.1.1 host > > 2.2.2.2 > > > access-list 102 permit 89 host 2.2.2.2 host > > 1.1.1.1 > > > access-group 101 interface inside > > > access-group 102 interface outside > > > > > > At the OSPF routers, put neighbour command, so > > they can speak > > > each other directly without multicasting the hello > > packets. > > > > > > Hope you get the idea. > > > > > > ----- Original Message ----- > > > From: "pat" > > > To: > > > Sent: Tuesday, October 30, 2001 1:01 PM > > > Subject: OSPF across PIX [7:24608] > > > > > > > > > > Does anybody has any ideas on how to run OSPF > > across > > > > firewall. What ports to be open & how to make > > router > > > > esablish nighbour relations across firewall. > > > > > > > > Any thought on this will be greatly appriciated. > > > > > > > > Thanks, > > > > patterson. > > > > > > > > > > __________________________________________________ > > > > Do You Yahoo!? > > > > Make a great connection at Yahoo! Personals. > > > > http://personals.yahoo.com > [EMAIL PROTECTED] > > > __________________________________________________ > Do You Yahoo!? > Make a great connection at Yahoo! Personals. > http://personals.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=24726&t=24608 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]