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Securing the Router

308654-14.00 Rev 00

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Configuring Data Encryption Services

Nortel 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 Nortel Networks routers.

Data encryption services include:

• Software-based encryption for PPP dedicated links for the BN, AN, ARN, and

ASN routers; 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 includes encryption on

multiline.

• Software-based encryption for dial-on-demand, dial backup, and

bandwidth-on-demand services, allowing you to protect sensitive data across

switched circuits. If you configure encryption to work with dial backup

service, encrypted data travels over the backup circuit if the primary line fails.

• Encryption configurable on a line or circuit basis.

• Encryption with or without data compression.

See Configuring Data Encryption Services for more information.

Configuring RADIUS

Remote Authentication Dial-In User Service (RADIUS) defines a method of

centralizing authentication and accounting information for networks with many

remote dial-in users. By placing authentication and accounting functions in one

central location, you can improve security and better manage large networks.

In a network using RADIUS, the router is the RADIUS client. The client is the

connection point between remote users and a RADIUS server. The server has the

information that it needs to identify remote users and to keep accounting

information for each call.

For more information, see Configuring RADIUS.

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Avaya Router Schnellstart Anleitung Seite 75