Avaya Configuring Data Compression Services Manuel d'utilisateur télécharger pdf (Page 68)

Configuring Data Compression Services

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Parameter: Buffer Size

Path: Configuration Manager > Protocols > WCP > Lines

Default: Normal

Options: Very Large

Large

Normal

None

Function: Indicates the amount of buffer memory for the transmission history on a line.

Because X.25 has features that check for errors and prevent data loss, data

compression software ignores the Buffer Size parameter for X.25.

Instructions: Set this parameter according to the end-to-end round-trip length of a WCP

connection:

Select Normal for most land-line, coast-to-coast connections.

Select Large or Very Large for connections at a great distance from each other,

such as satellite connections.

Select None for links that drop a very small number of packets.

Increase the buffer size for a link with a large number of resets.

MIB Object ID: 1.3.6.1.4.1.18.3.4.22.1.1.7

Parameter: Engine Type

Path: Configuration Manager > Protocols > WCP > Lines

Default: Software (unless you configured either an octal synchronous link module with a

hardware compression daughterboard or a FRE-2-060E processor module with

an advanced compression coprocessor daughterboard for the BN, or a hardware

compression net module for the ASN, in which case the default is Hardware)

Options: Software

Hardware

Function: Specifies whether compression for this node will be software-based or

hardware-based.

Instructions: Select Software to use software-based compression, or select Hardware to use

hardware-based compression. You can use hardware compression with PPP and

frame relay only. You can use software compression with PPP, frame relay, or

X.25.

MIB Object ID: 1.3.6.1.4.1.18.3.4.22.1.1.8

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Avaya Configuring Data Compression Services Manuel d'utilisateur Page 68