Encryption; 802.1X Network Access Control; Tcp Enhanced Authentication Option - Alcatel-Lucent 7450 System Management Manual

Ethernet service switch

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Encryption

Data Encryption Standard (DES) and Triple DES (3DES) are supported for encryption.

The Alcatel-Lucent OS supports network access control of client devices (PCs, STBs, etc.) on

an Ethernet network using the IEEE. 802.1x standard. 802.1x is known as Extensible

Authentication Protocol (EAP) over a LAN network or EAPOL.

The TCP Enhanced Authentication Option, currently covered in draft-bonica-tcp-auth-05.txt,

Authentication for TCP-based Routing and Management Protocols, extends the previous

MD5 authentication option to include the ability to change keys without tearing down the

session, and allows for stronger authentication algorithms to be used.

7450 ESS System Mangement Guide

DES is a widely-used method of data encryption using a private (secret) key. Both the

sender and the receiver must know and use the same private key.

3DES is a more secure version of the DES protocol.