# domain-tag

#### Syntax

domain-tag routeTag

no domain-tag

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Sets the VPN route tag for an OSPF VRF on a PE to prevent routing loops back into the VPN. The no version restores the default value.

#### Options

- routeTag—Number identifying the VPN route tag in the range 0–4294967295

  The default value is a 32-bit number based on the AS number of the BGP/MPLS VPN backbone, with the first 16 bits set to 1110 0000 0000 0000, followed by the 16 bits representing the AS number.

#### Mode

Router Configuration