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PPPTSM 60: LAPB is down: **LAPB N2 Timer expired** Interface if_name, Board board_number.

Source:  PPPTSM-1.1

Explanation:  LAPB disconnected the link because the T1 timer expired N times.LAPB did not receive any response for (N times T1 timer) seconds from the peer.

Action:  Check the MONITOR statistics to look for any line error statistics. If the line quality is bad, reconfigure the T1 timer to be longer and N2 to be larger. If the problem persists, contact technical support.

  Previous Page: PPPTSM 59: LCP is down: **LAPB received a DISC from peer** Interface if_name, Board board_number.  Next Page: PPPTSM 61: Interface is down. **Unknown reason**