Avaya Configuring Data Encryption Services Manuel d'utilisateur Page 17

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117386-A Rev. A
1-1
Chapter 1
Data Encryption Overview
Bay Networks data encryption services enable you to protect sensitive traffic on
your network. Encryption prevents unauthorized persons from reading, changing,
or replaying data that travels between Bay Networks routers.
Data encryption services include
Software-based encryption for PPP dedicated links for the BN
®
, AN
®
, ARN
™,
ASN
, System 5000 router modules, and all serial interfaces. This includes
encryption on multiline and multilink.
Software-based encryption for Frame Relay circuits that have one permanent
virtual circuit (PVC) per service record. This include encryption on multiline.
Encryption configurable on a line or circuit basis.
Encryption independent or combined with data compression.
You can configure PPP dial backup for a Frame Relay circuit that uses data
encryption. Be aware, however, that if the primary circuit fails, data that travels
over the backup circuit is unencrypted.
Data Encryption Architecture
Bay Networks uses the following standards and protocols to provide encryption
services:
Data Encryption Standard (DES)
Message Digest 5 (MD5)
WAN Encryption Protocol (WEP), proprietary to Bay Networks
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