Using the Link Configuration Files

File link_config_0000.cfg configures link 0. In the default configuration, this is a WAN link. File link_config_0001.cfg configures link 1. In the default configuration, this is a LAN link.

There is a separate configuration file for each link. The filename format is link_config_nnnn.cfg, where nnnn is a four digit link number. These are the files that will be read when the Solstice X.25 is next started. Editing them is equivalent to modifying the configuration using x25tool while in static mode. Use a different naming convention if you want to save changes without using them on the next restart.

You cannot make changes to an active link by editing the configuration files. If you need to make changes to an active link, use x25tool to modify the configuration while in dynamic mode.

To create a new WAN link use file link_config_0000.cfg as a template. Copy it, giving the new file the correct name for the link you want it to apply to. For example, to configure link 3 as a WAN link, call the file link_config_0003.cfg.

To create a new LAN link, copy and rename the file link_config_0001.cfg. Then edit the new file to use the values you want.

The configuration file consists of a series of keywords and values, divided into sections according to function. The example below shows the IDENTIFICATION and LINK sections of a file:

IDENTIFICATION
    PRODUCT_NAME      Solstice X.25
    PRODUCT_VERSION   9.2
    FILE_TYPE         config
    MODIFIED_BY       agbell
    FILE_DATE         Fri Sept 29 11:41:13 1999


 SECTION LINK
       device         /dev/zsh0
       local_address  0011
       type           WAN
       version        1988
       mode           DTE
       protocol       LAPB
       description    Link to switch

The IDENTIFICATION section is the top section of every file. Updating the MODIFIED_BY field every time you make changes helps you keep track of who has made changes. The FILE_DATE field is updated automatically when you save the file, showing when the last changes were made.