Nortel Networks 1000M User Manual

Page 311

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Configuring for Survivability

311

The Automatic Switch Back (AUTOSB) option allows a survivable
IP Expansion Cabinet or Chassis to switch back from survival mode
to normal mode automatically as soon as the link with the Main
Cabinet or Chassis is restored and the Switchover Time Out timer
(SWOTO) expires.

The AUTOSB command is configured in LD 117:

CHG AUTOSB <cab#> <Switchback setting>

where

cab#

= 1–4

Switchback setting

= (YES) NO

5

Configure the SWOTO.

Configure the SWOTO separately for each IP Expansion Cabinet
or Chassis.

The SWOTO command is configured in LD 117:

CHG SWOTO <cab#> <value>

where

cab#

= 1–4

value

= 2 - (120) - 600 seconds

For point-to-point connection (cabinets or chassis that are not
connected over a LAN), it is recommended that you set the timer to
a low value to minimize service interruption.

—End—

Printing survivable Small System parameters

The following Print commands, available in LD 117, print the Small System
parameters and Survivability for all, or specified, IP Expansion Cabinets
or Chassis:

PRT SURV cab

where

cab

= 1–4

PRT CAB cab

where

cab

= 1–4

Nortel Communication Server 1000

Communication Server 1000M and Meridian 1 Small System Installation and Commissioning

NN43011-310

01.04

Standard

Release 5.0

13 May 2008

Copyright © 2008, Nortel Networks

.

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