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Configuring Data Compression Services

1-4

303519-A Rev. 00

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

you want to run over the link, as follow:

• 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.

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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