Command:

isdn twait-disable


Mode:

Router(config-if)#


Syntax:

isdn twait-disable
no isdn twait-disable

 

Syntax Description:

This command has no arguments or keywords.

 

Command Description:

To delay a National ISDN BRI switch a random time before activating the Layer 2 interface when the switch starts up, use the isdn twait-disable command in interface configuration mode. To remove the delay, use the no form of this command.

The random-length delay set by this command prevents mass power failures from causing the network ISDN switches to be overwhelmed when power returns and all the devices startup at the same time.

The random delay is in the range 1 to 300 seconds.


Example:

The following example configures a random wait period after a power failure:

Router(config-if)# isdn twait-disable


Misconceptions:

None


Related Commands:

None

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