ZyXEL ES-3148 Guida Utente

ES-3148 User’s Guide

This chapter explains the syslog screens.

The syslog protocol allows devices to send event notification messages across an IP network 
to syslog servers that collect the event messages. A syslog-enabled device can generate a 
syslog message and send it to a syslog server.
Syslog is defined in RFC 3164. The RFC defines the packet format, content and system log 
related information of syslog messages. Each syslog message has a facility and severity level. 
The syslog facility identifies a file in the syslog server. Refer to the documentation of your 
syslog program for details. The following table describes the syslog severity levels. 

Click Management > Syslog in the navigation panel to display this screen. The syslog feature 
sends logs to an external syslog server. Use this screen to configure the device’s system 
logging settings.

Table 109   Syslog Severity Levels

0

Emergency: The system is unusable.

1

Alert: Action must be taken immediately.

2

Critical: The system condition is critical.

3

Error: There is an error condition on the system.

4

Warning: There is a warning condition on the system.

5

Notice: There is a normal but significant condition on the system.

6

Informational: The syslog contains an informational message.

7

Debug: The message is intended for debug-level purposes.