Avaya Configuring Data Compression Services Manuel d'utilisateur télécharger pdf (Page 22)

Configuring Data Compression Services

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117352-D Rev. 00

The type of data compression you configure depends on the upper layer protocol

you want to run over the link, as follows:

• To run frame relay, use WCP.

• To run PPP, use WCP if you are connecting Bay Networks routers.

Use Hi/fn LZS if you are connecting routers of different vendors.

Previous Hardware-Based Data Compression

You can continue to use hardware-based data compression services provided by

releases earlier than BayRS Version 12.20, which were based on:

• Optional daughterboards for PPP and frame relay networks that use the octal

synchronous link module for the BN, using FRE-2 processors only.

• Optional net modules for PPP and frame relay networks that use the ASN.

Hardware compression can compress data transmitted over WANs attached to

the following net modules: dual and quad synchronous, MCE1/ISDN PRI,

MCT1/ISDN, dual synchronous with ISDN BRI, and Quad BRI.

Preparing a Configuration File for Data Compression

To configure data compression, use the Bay Networks Site Manager configuration

tool. For information about working with configuration files, see

Configuring and

Managing Routers with Site Manager, as appropriate

Before starting data compression, you must create and save a configuration file

with at least one unconfigured WAN interface, such as a synchronous or MCT1

port.

Note:

If a FRE-2-060E is present in the same slot as an octal synchronous

hardware compression daughterboard, the FRE-2-060E will be used instead of

the octal synchronous daughterboard.

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Avaya Configuring Data Compression Services Manuel d'utilisateur Page 22