# clear isis adjacency

#### Syntax

clear isis adjacency [ systemId | hostname ]

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Clears all entries from the adjacency database, or clears only adjacencies with a specified neighbor. There is no no version.

#### Options

- systemID—System ID of an IS-IS neighbor
- hostname—Hostname of an IS-IS neighbor

#### Mode

Privileged Exec