# isis hello-interval

#### Syntax

isis hello-interval seconds [ level-1 | level-2 ]

no isis hello-interval [ seconds ] [ level-1 | level-2 ]

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Specifies the length of time in seconds between hello packets that the router sends on the specified interface. The no version restores the default value.

#### Options

- seconds—Time (in the range 0–65535 seconds) equal to the hello multiplier times the hello interval seconds; default value is 10 seconds.
- level-1—Sets the hello interval for level 1 independently
- level-2—Sets the hello interval for level 2 independently

#### Mode

Interface Configuration, Subinterface Configuration