We have been running Fract T1's (384k) to 2 of our locations. Recently we upgraded to Full T1's for both locations. Verizon installed two completly new circuits for the new T1s. We changed cables for our connection at the locations and the main office and everything worked off the bat. or thats what we thought. I changed the BW setting on the T1for these circuits interfaces in all the routers involved to 1544 and restarted them. To this day our bandwidth still test out at 384K on these circuits. Just FYI the router at our main location is a 3640 and the router at the remote locations are 2640's.
Has anyone experienced this before? Have any thought to why we are not getting our full speed?, Troubleshooting tips?