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# nsf t2

#### Syntax

[ no ] nsf t2 { level-1 | level-2 } [ seconds ]

#### Release Information

Command introduced before JUNOSe Release 7.1.0.

#### Description

Specifies the maximum amount of time, in seconds, that an IS-IS restarting router waits for the LSP database to synchronize. You must configure separate instances of the T2 timer for each IS-IS level at which the router operates. The no version restores the default T2 wait time, 30 seconds.

#### Options

- level-1—Sets the T2 wait time independently for level 1 routing
- level-2—Sets the T2 wait time independently for level 2 routing
- seconds—Maximum wait time, in the range 5–120 seconds, for LSP database synchronization; default value is 30 seconds

#### Mode

Router Configuration

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