
Using Technician Interface Software
C-2
308657-14.00 Rev 00
Syslogd is a UNIX daemon that receives and locally logs, displays, prints, and/or
forwards messages that originate from sources internal and external to the
workstation. For example, Syslogd on a UNIX workstation concurrently handles
messages received from applications running on the workstation, as well as
messages received from Nortel Networks routers running in a network accessible
to the workstation.
Figure C-1
illustrates the following Syslog and Syslogd functionality:
Syslog running on each slot
• Polls the local events log buffer to retrieve new event messages
• Selects messages that meet the requirements of entity filters you configure on
the router
• Maps into Syslog message format messages retrieved from the local events
log
• Inserts a priority code into each reformatted message
• Time-sequences messages if you first enabled the message sequencing feature
• Forwards messages to IP on the router, which in turn forwards messages to
remote hosts identified in the Syslog host table
At a remote UNIX management workstation, Syslogd
• Receives Syslog messages from Nortel Networks routers
• Examines the priority code in each message
• Uses the priority code to determine appropriate system handling for each
message
• Based on the priority code in each message, dispatches each message to any
or all of the following destinations:
-- Workstation display
-- Local log file
-- Designated printer
-- One or more remote hosts
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