# router bgp

#### Syntax

[ no ] router bgp autonomousSystem

#### Release Information

Command introduced before JunosE Release 7.1.0.

#### Description

Configures the BGP routing process. Allows you to set up a distributed routing core that automatically guarantees the loop-free exchange of routing information between ASs. All subsequent BGP configuration commands are placed within the context of this router and AS; you can have only a single BGP instance per virtual router. The no version removes the BGP routing process.

#### Options

- autonomousSystem—Number, in the range 1–4294967295; the AS number that identifies the router to other BGP routers

#### Mode

Global Configuration

#### Related Documentation

- Configuring BGP Signaling for L2VPNs and Configuring BGP Signaling for VPLS in the JunosE BGP and MPLS Configuration Guide