New FR Circuit Wont Stat Up

Oct 15, 2007 4 Replies

We just added a new FR circuit to our network. No alarms on smart jack or Adtran CSU/DSU. However, I can't get the circuit up. When I reload the router, I get connectivity for about 30 seconds after the reload, then S1 goes to up/down. DTE LMI is also down. I replaced the v.35 cable going from the router to the CSU, but still no luck.



Have tried setting lmi-type to both Cisco and auto. It autodetects cisco.



I can try to do a debug, but not sure what to look for. Any suggestions appreciated.


Are you sure that the carrier has activated at their end ?

Cisco frame-relay troubleshooting doc:

formatting link
try "debug frame-relay lmi" to see if you get any output

see Cisco frame-relay troubleshooting doc:

formatting link

Turns out ISP had set the protocol to "disabled." I guess that's the "turn up" part of "test and turn up."

If the circuit is now up, it might be a good idea for you to capture some of the debug outputs spo you know what they looks like when circuit is operating properly

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