Avaya Configuring Data Compression Services Manual do Utilizador descarregar pdf (Página 49)

Data Compression Overview

117352-E Rev 00

2-15

For more information about Bay Networks dial services, see Configuring Dial

Services.

X.25 Services

An X.25 network permits as many as 128 VCs to exist on the same physical link at

the same time. You can configure each of these interfaces individually to use data

compression or not.

X.25 PDN and DDN Services

When you use data compression on circuits that you configure for X.25 Public

Data Network (PDN) or Defense Department Network (DDN) services, you must

enable compression on both sides of the link. If you configure compression on

only one side of a PDN or DDN link, the data that travels over that link will be

corrupted.

You must also remember to enable the X.25 service record compression parameter

for each X.25 interface that you configure. For more information about this

parameter, see Configuring X.25 Services.

Adjusting X.25 Max Window Size

Window size can affect packet throughput across the X.25 network. Setting the

X.25 Max Window Size parameter too low can cause the router to drop packets

and render data compression ineffective. You should configure this parameter at a

higher value than the default setting, see Configuring X.25 Services.

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Avaya Configuring Data Compression Services Manual do Utilizador Página 49