Configuration

 

 

 

Configuring the X.25 Link

 

 

Enter or modify field values as required (refer to the field descriptions

 

 

below).

 

Table 3-5

 

Modify IP over X.25 Defaults Field Descriptions

 

 

 

 

 

 

Idle Timer

Sets the number of seconds a circuit stands idle

 

 

 

before it is cleared by IP. The range is 0 to 32767.

 

 

 

The default is 600.

 

 

 

 

 

 

Hold Timer

Sets the number of seconds a circuit may be

 

 

 

inactive before it is designated as inactive.

 

 

 

Inactive circuits may be cleared when all other

 

 

 

circuits are unavailable and a connection request

 

 

 

is received by IP. Do not set the hold timer to a

 

 

 

value greater than the idle timer. The range is 0 to

 

 

 

32767. The default is 300.

 

 

 

 

 

 

MTU Size

The maximum transmission unit size in octets

 

 

 

(bytes). The range is 20 to 8192. The default is

 

 

 

2048. For DDN configured interfaces, it must be

 

 

 

less than or equal to 1007.

 

 

 

 

 

 

System Max. IP

The maximum number of IP connections that can

 

 

Connections

be simultaneously active for the whole system.

 

 

 

This is a global parameter. The default value for

 

 

 

this parameter is 256 connections.

 

 

 

 

Step

5. Click on OK to return to the “Configure X.25 Card” window when you

 

 

have finished configuring the Internet address.

 

 

Verifying Level 3 Values

 

 

If you subscribe to a public network, the network provider will supply the

 

 

appropriate settings for most level 3 parameters. These settings will

 

 

differ depending on the network provider and the type of service to which

 

 

you subscribe. Refer to your Network Subscription Form for the correct

 

 

values for your configuration.

 

 

Follow the steps below to verify level 3 values:

Step

1. At the “Configure X.25 Card” window, select Verify Level 3 Values.

 

 

The following dialog appears:

Chapter 3

39