BGP

BGP and EIGRP are both essential routing protocols. Discover how each protocol works, and learn about their similarities and differences.

In the right applications, BGP and EIGRP provide cost-effective, fast and efficient data routing. In contrast to BGP, EIGRP is an interior gateway protocol, which routes data traffic dynamically across a network that an organization fully manages, such as for business or government. Once the connection is established, BGP works to keep the link in place, even if routing table changes occur. They exchange messages to open and confirm the connection parameters via a BGP routing table. BGP differs from EIGRP in that it is an exterior gateway protocol for routing among separate networks over which there is no administrative control. EIGRP provides the interior data routing, while BGP establishes routing to an outside, or exterior, network, particularly the internet.