The original exterior protocol used to exchange routing information between networks that do not share a common administration.
encryption
A mechanism for securing data in which data is translated into a secret code, which can be read only with the correct key to translate the secret code back to the original data.
ESP (Encapsulating Security Payload)
A protocol that is used in the IPSec suite to handle data encryption. ESP is usually used with AH to provide the maximum level of security and integrity for data transmitted in IPSec transmissions. ESP uses DES encryption by default, but it can be configured to use 3DES.
Ethernet
A network standard that uses CSMA/CD on a bus topology. Ethernet currently runs at 10Mbps, 100Mbps, and 1Gbps.
exclusion
A process in which IP addresses and address ranges are removed (excluded) from a DHCP scope.
Extensible Authentication Protocol (EAP)
An extension to the Point-to-Point Protocol (PPP) as specified in RFC 2284 that provides a means for the primary authentication method to be negotiated during the initiation of the PPP session.
