If I understand you correctly you are trying to implement "NAT Hairpin". Meaning you are trying to access an internal server using the external IP address.You have a few options, if you have an internal DNS server, simply create an A Record for www.t...
As Giuseppe mentioned, ip nat inside should be enabled on both interfaces.Site A Routerinterface fe0/2ip nat insideSite B Routerinterface fe0/0ip nat inside
You could try something like this. IP SLA is used to verify downstream connectivity. In the example, we will send icmp-echo to public DNS servers every 5 seconds. If the router does not receive a response for 60 seconds, the ISP is presumed down and ...
If I understand correctly you are trying to initial a VPN Tunnel (PPTP) from inside the network to an external PPTP server?My guess is GRE packets are being blocked ingress at the UC500's external interface. Check the external WAN ACL and permit GRE ...