What is pe router?

A PE router, or Provider Edge router, is a device that connects a customer network to a service provider network. It is used in the context of Virtual Private Networks (VPNs) or Multi-Protocol Label Switching (MPLS) technology.

The PE router is responsible for the exchange of traffic between the customer network and the provider network and plays a crucial role in managing the quality and security of the data passing through the network. It is also responsible for applying various quality of service (QoS) policies to ensure that the traffic is delivered according to the customer's requirements.

PE routers are often highly scalable and robust, with the ability to handle large volumes of traffic and support a range of routing protocols. They typically have multiple interfaces, including Ethernet, Optical, and SONET interfaces, and can support a variety of networking features such as VLAN tagging, access control, and traffic engineering.

Overall, the PE router is a critical component of a service provider network and is essential for enabling high-quality, secure, and efficient communication between customer networks.