Internetworking Terms: Generic Routing Encapsulation (GRE)

From DocWiki

Jump to: navigation, search


Generic Routing Encapsulation (GRE)


Tunneling protocol that was developed by Cisco. Generic routing encapsulation (GRE) can encapsulate a variety of protocol packet types inside IP tunnels. This creates a virtual point-to-point link to Cisco routers at remote points over an IP network.


IP tunneling uses GRE to expand networks across a single-protocol backbone environment by connecting multi-protocol subnetworks.

Related Resource

Cisco Trademarks

Rating: 1.4/5 (72 votes cast)

Personal tools