Technical data

Using Syslog Messaging to Monitor Router Events
303561-A Rev 00
C-3
Figure C-1. Syslog and Syslogd Operations
Syslog software:
• Polls slot logs
• Retrieves
event messages
• Filters retrieved
messages
• Maps retrieved
messages into
Syslog message
format
• Forwards
Syslog messages
to remote hosts
Polls log @ slot
Log @ slot
Router
Disk
Syslogd daemon:
• Receives syslog messages
• Identifies message sources
• Determines message priorities
• Logs, displays, prints, and/or
forwards messages
Remote Host
(Unix Workstation)
Outgoing
Syslog
messages
IP network
Message
logged
Message
displayed
Message
printed
Message
forwarded
UNIX
workstation
Retrieves
messages
Polls
log
TS0001B