- Written by Eamon Doyle
- Posted on December 15, 2020
- Updated on March 15, 2024
- 12314 Views
In a Service Provider (SP) network, a Provider Edge (PE) device learns virtual private network (VPN) paths from remote PEs and uses the Route Target (RT) extended communities carried by those paths to determine which customer Virtual Routing and Forwarding (VRF) the paths should be imported into (from where they can be subsequently advertised to Customer Edge (CE) devices).