Guralp Systems CMG-DCM build <10,000 - Manual (Page 94)

Acquisition Modules and Platinum Firmware Networking Configuration
7.7.2.3 Authentication
User ID / PAP secret: Use those given to you by your service provider in the
appropriate fields.
The standard Linux commands ppp­on, ppp­off, ip, ping, and
traceroute are available from the command line for use in controlling and
testing PPP connections but it is also possible to configure a “watchdog”
service to monitor a PPP connection and automatically restart it should it fail.
This is described in the next section.
7.7.3 Monitoring a PPP connection
PPP connections can be monitored and, should they fail for any reason,
automatically restarted.
To configure this PPP connection monitor from the web interface, select:
Configuration → Services → Network → pppd-watchdog -- PPP link watchdog
or
Configuration → All options → System services → Network → pppd-watchdog →
PPP link watchdog
To configure a PPP connection monitor from the command line, start gconfig,
select Services from the top level menu.
You must create a separate watchdogs for each PPP connection if you are
running multiple PPP instances. This screen allows you to select any of the
existing watchdog services for re-configuration or to create a new watchdog
service.
7.7.4 Configurable parameters in simple mode
The configurable parameters for the PPP daemon watchdog are contained in a
single form:
MAN-EAM-0003 94 Issue E - February 2014