Enterasys Networks X-PeditionTM manual Slip Seconds Counter Increasing, Controller

Troubleshooting T1/E1 & T3/E3 Links

Figure 4-6 T1/E1 & T3/E3 Error Events Analysis Troubleshooting Flowchart

Error Events Analysis

				Use the following	Use the command
Is the slip seconds	Yes	Is the clock source	No	commands to set	below to verify the
		derived from the		source clocking:	error counter is still:
counter increasing?
		network/line?		controller t1 x	increasing:
				clock source line	controller x
No
				Use these commands
				to set framing:
	Yes		No	controller t1 x	Use the command
Is the framing loss		Is the framing type		framing	below to verify the
seconds counter		correct?		If T1, then change LBO:	error counter is still:
					increasing:
increasing?				cablelength {long short}
					controller x
				If T3, then change LBO:
				cablelength
No
				Use the following
	Yes			T1/E1 commands to set	Use the command
		Is theT1/E1 line coding	No	line coding:	below to verify the
Is the line code violations				controller t1 x	error counter is still:
counter increasing?		correct?		linecode {ami b8zs}	increasing:
				If T1, then change LBO:	controller x
				cablelength {long short}
No
If your controller still
does not function as desired,
contact your service/network
provider

Note: Statistics displayed with the show controllers command are reset every 24 hours. That is, once the port or line is created with the controller command, the 24-hour timer starts.

Slip Seconds Counter Increasing

If slip seconds are present on the T1/E1 or T3/E3 line, usually there is a clocking problem. Complete the following steps to correct this problem:

1.Ensure the clock source is derived from the network (source clocking extracted from the line).

2.Set the T1/E1 or T3/E3 clock source from Controller mode if needed.

4-12 Configuring T1/E1 & T3/E3 Interfaces