# aaa duplicate-prefix-check

#### Syntax

[ no | default ] aaa duplicate-prefix-check { enable | disable }

#### Release Information

Command introduced in JunosE Release 11.2.0.

#### Description

Configures AAA to enable duplicate IPv6 prefix-check in a virtual router context. Duplicate IPv6 prefix checking by AAA is disabled by default . The default version restores the default condition. The no version disables the duplicate IPv6 prefix-check capability.

#### Options

- enable—Specifies the feature
- disable—Disables the feature; this is the default

#### Mode

Global Configuration