HP ProCurve 7102dl Reference Manual page 607

Secure router sros command line interface

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SROS Command Line Interface Reference Guide

E1 Interface Configuration Command Set

loop-alarm-detect

The loop-alarm-detect command enables detection of a loop alarm on the E1 interface. Use the no form

of this command to disable this feature.

Syntax Description

No subcommands.

Default Values

By default, this command is enabled.

Functional Notes

This command enables the detection of a loopback alarm. This alarm works in conjunction with the

sa4tx-bit command setting. The loopback condition is detected by comparing the transmitted sa4tx-bit

value to the received Sa4 bit value. If the bits match, a loopback is assumed. This detection method only

works with a network in which the far end is transmitting the opposite value for Sa4.

Usage Examples

The following example enables detection of a loop alarm on the E1 interface:

ProCurve(config)#config e1 1/1

ProCurve(config-e1 1/1)#loop-alarm-detect

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