I have a 2811 'dte' router connected to a 'looped back' modem over a smart serial interface. The connection is up but the line protocol is down. Encap is HDLC. Can anyone give me any troublshooting tips to get the line protocol to up?
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: