
Configuration
Configuring the X.25 Link
Chapter 3 39
Enter or modify field values as required (refer to the field descriptions
below).
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:
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
Connections
The maximum number of IP connections that can
be simultaneously active for the whole system.
This is a global parameter. The default value for
this parameter is 256 connections.
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