Log Facility is the number that you want to be used in the Syslog configuration file . Valid values range from 0 to 23.
The value depends on the syslog server that you are using.
.While troubleshooting a syslog we only a check a few things if it has been configured properly or if the DUMP files are been created. Once the dump is created means SEPM part of log forwarding is working fine.
The issue needs to troubleshooted on the syslog or on the network