Tim1954 Q&A Team Jan 17, 2016 6,924 1 0 Apr 14, 2017 #2 A key string is the authentication code included in each key in a key chain, which is a series of keys that can be created to help ensure secure communication between routers in a network. Upvote 0 Downvote
A key string is the authentication code included in each key in a key chain, which is a series of keys that can be created to help ensure secure communication between routers in a network.