# ipv6

#### Syntax

[ no ] ipv6

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Enables an IPv6 instance on a router that does not already have an explicit IPv6 address. Normally, performing any IPv6 configuration automatically enables IPv6 on the interface. The no version disables IPv6 on the router.

| Note: Disabling IPv6 on the router disables all IPv6 unicast routing protocols.

#### Mode

Global Configuration