Enterasys Networks CSX7000 Manuel d'utilisateur télécharger pdf (Page 381)

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Central Site Remote Access Switch 381

ONFIGURING

ALL

ONTROL

Semipermanent Connections

SEMIPERMANENT CONNECTIONS CONFIGURATION ELEMENTS

DEVICE NAME

Specify the device name (from the Device List) that you wish to make a semipermanent connection.

Once specified, the semipermanent feature will (at least) keep the Initial Data Rate active to the

specified device, as long as it is not prohibited by call restrictions or a physical or configuration

problem. The number of semipermanent devices is limited to the maximum number of calls the

CyberSWITCH supports.

AX RETRIES

The maximum number of times the CyberSWITCH will retry a call in the Over Interval time period.

The default is 10.

VER INTERVAL

The time period in minutes during which the CyberSWITCH will keep track of the number of

disconnects. For example, a disconnect will occur if the device fails authentication. The timer begins

when the first disconnect occurs, and if the timer expires without reaching the maximum number

of disconnects, the disconnect counter is rest. Otherwise, if the maximum number of disconnect is

reached, then the device is moved to the rejected state. The default is 10 minutes.

ESSION INTERVAL

The time period beginning when the device enters the rejected state. When the timer expires, the

device is returned to the trying state and the CyberSWITCH attempts to connect to the device. The

default is 60 minutes. “N/A” appears when the CyberSWITCH will not attempt a call again after a

rejection.

Note: When the Session Interval is configured, a device can fail authentication, move to the

rejected state, move back to the trying state after the timer expires, and fail authentication

again. This cycle can repeat an infinite number of times, depending on the status of call

restrictions. The CyberSWITCH will not stop this cycle until a call restriction limit his

reached or it is overridden by the system administrator by issuing the

disc device

command.

SEMIPERMANENT CONNECTIONS BACKGROUND INFORMATION

In many areas, ISDN is tariffed by call, and not by connect time. This feature is ideal for areas like

this. Semipermanent connections allow you to automatically make a connection at startup time,

and keep that connection up at all times.

Although semipermanent connections are up at all times, they are different from dedicated

connections. A dedicated connection is simply a Layer 1 pipe for data. A semipermanent

connection is one or more switched calls made at startup and kept until shutdown.

The sections below provide information concerning how semipermanent connections interact with

other system features.

NTERACTIONS WITH OTHER FEATURES

Call Device Commands

Issuing the

call device

disc device

commands will effect the semipermanent connection.

These commands will override the semipermanent connection.

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Enterasys Networks CSX7000 Manuel d'utilisateur Page 381

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