Cisco Systems A9014CFD Performing Bert on a T1/E1 Line, Terminating Bert on a T1/E1 Controller

Chapter 30 Bit Error Rate Testing

How to Configure BERT

•Terminating BERT on a T1/E1 Controller, page 30-3(Required)

•Verifying BERT on a T1/E1 Controller, page 30-4(Optional)

Performing BERT on a T1/E1 Line

To enable BERT pattern on a T1 or E1 controller, perform the following steps.

SUMMARY STEPS

1.enable

2.configure terminal

3.controller {t1 e1} slot/port

4.bert pattern pattern interval time

DETAILED STEPS

	Command	Purpose
Step 1	enable	Enables privileged EXEC mode.
		• Enter your password if prompted.
	Example:
	Router> enable
Step 2	configure terminal	Enters global configuration mode.
	Example:
	Router# configure terminal
Step 3	controller {t1 e1} slot/port	Selects a T1 or E1 controller and enters controller configuration
		mode.
	Example:
	Router(config)# controller T1 0/5
Step 4	bert pattern pattern interval time	Sends a BERT pattern through the T1 or E1 line for the specified
		time interval.
	Example:	• pattern—Length of the repeating BERT test pattern. See
	Router(config-controller)# bert pattern 0s	Table 30-1for allowed values.
	interval 30	• interval—Specifies the duration of the BERT test, in minutes.
		The interval can be a value from 1 to 14400.

Terminating BERT on a T1/E1 Controller

SUMMARY STEPS

1.enable

2.configure terminal

3.controller {t1 e1} slot/port

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		30-3