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Dial Backup Commands

XSR CLI Reference Guide 10-93

Dial Backup Commands

Thefollowingsetofcommandsdefinesabackupdialline.

backup

ThiscommandsetbackupfunctionalityonSerial,Ethernetorsub‐interfaces.Youcanalsospecify

adelaybeforeasecondaryinterfaceisbroughtupordownafteraprimaryinterfaceisbroughtup

ordown.Wesuggestthiscommandbeusedwhenlinessufferintermittentdisruptionscausing

theprimarylineto

comeupandfalltemporarily.Abackupdelayensuresthesecondarylinedoes

notcomeupanddownprematurely.

Syntax

backup interface dialer dialer-interface-number [delay enable-delay disable-delay

[never]][time-range hh:mm hh:mm]

Syntax of the “no” Form

Thenoformofthiscommandremovesbackupfromtheinterface:

no backup interface

Default

1second

Mode

Interfaceconfiguration:XSR(config-if<xx>)#

Example

Thefollowingexampleprovidesa10‐seconddelayinactivatingthesecondarylineanda20‐

seconddelayindeactivatingthesecondarylinewhentheprimaryseriallinegoesupanddown.

XSR(config)#interface serial 1/1

XSR(config-if<S1/1>)#backup delay 10 20

XSR(config-if<S1/1>)#no shutdown

Note: The XSR sets UTC for time-range calculation.

interface Dialer interface number used for backup.

delay

enable-delay

disable-delay

Backup enable delay, ranging from 0 to 99999999, followed by the backup disable

delay, ranging frm 0 to 99999999, or the keyword never indicating the backup,

once enabled, is not being disabled when the primary link comes up.

The enable-delay is the interval in seconds that elapses after the primary port goes

down. The disable-delay is the interval in seconds that elapses after the primary port

comes up.

never Stops the secondary port from being deactivated.

time-range

hh:mm hh:mm

Backup timer range - start from hh:mm to end hh:mm. When backup is not set, it is

is always active. Otherwise it is active during the configured time range only.

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