topic Re: GRE tunnel and static NAT in Network Security https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296994#M778264 <HTML><HEAD></HEAD><BODY><P>see this <A class="jive-link-custom" href="http://www.cisco.com/en/US/tech/tk827/tk369/technologies_configuration_example09186a00800946b8.shtml" target="_blank">http://www.cisco.com/en/US/tech/tk827/tk369/technologies_configuration_example09186a00800946b8.shtml</A></P></BODY></HTML> Wed, 11 Nov 2009 17:43:10 GMT francisco_1 2009-11-11T17:43:10Z GRE tunnel and static NAT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296993#M778263 <P>I'm trying to setup a GRE tunnel between 2 routers either side of a PIX515E. Tunnel works fine when no NAT is configured but when I add NAT the tunnel won't re-establish.</P><P></P><P>I have changed the outside router's tunnel destination to the NAT address on the outside of the fireall and added a route to that address via the physcial interface address.</P><P></P><P>Firewall rule has been set up to NAT from outside address to inside router's Loopback address(tunnel destination)</P> Mon, 11 Mar 2019 16:39:03 GMT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296993#M778263 hmdavies 2019-03-11T16:39:03Z Re: GRE tunnel and static NAT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296994#M778264 <HTML><HEAD></HEAD><BODY><P>see this <A class="jive-link-custom" href="http://www.cisco.com/en/US/tech/tk827/tk369/technologies_configuration_example09186a00800946b8.shtml" target="_blank">http://www.cisco.com/en/US/tech/tk827/tk369/technologies_configuration_example09186a00800946b8.shtml</A></P></BODY></HTML> Wed, 11 Nov 2009 17:43:10 GMT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296994#M778264 francisco_1 2009-11-11T17:43:10Z Re: GRE tunnel and static NAT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296995#M778265 <HTML><HEAD></HEAD><BODY><P>thanks, I'm doing the NAT on the PIX. This works OK when using other services such as telnet but not with GRE</P></BODY></HTML> Thu, 12 Nov 2009 14:47:59 GMT https://community.cisco.com/t5/network-security/gre-tunnel-and-static-nat/m-p/1296995#M778265 hmdavies 2009-11-12T14:47:59Z