The main circuit at the remote office is a 12Mb provisioned DS3 link through the layer 3 switch. When this circuit goes down,the vpn tunnels on the router will route all traffic through the tunnel except tftp traffic to register the phones. Pings and...

I have several offices which connect to the central site with either point to point T1's, or 12Mb DS3's. A DMVPN solution has been installed as a failover from the main circuits. When the main circuit fails, phones fail to register with UCM 5.13 loca...