X.25 configuration is the process of defining the protocol parameters for X.25 links. Although most X.25 protocol parameters can safely be left as default values, some values, such as the number of logical channels, have to be changed for every installation.
X.25 configuration files are ASCII text, and can be modified with any text editor. The files may contain blank lines, and the conversion program ignores all text that follows a "#" character. Only one parameter per line. The parameter keyword must always be separated from the parameter value by either a space or =.
For example:
| Keyword | Value |
|---|---|
| linkenable | YES |
| linkenable | =YES |
There are default values for every parameter. You can look at the default values in
When you are creating a link parameter file, using tsgconfig, you only need to specify parameters that differ from the default ones. Therefore, you can set up a link with the exact characteristics described in link.defaults by specifying the name of an empty file.
link.defaults contains comments which describe each item in the file, so you can use it for reference when you create your own link configuration (or modify one of the supplied files). If there is any difference between the following descriptions and the file itself, follow what is in the file as it is more current.
For a description of parameters, see X.25 Link Configuration Parameters.
Things to remember when creating link configuration files:
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