ZyXEL Communications ISG50 User Manual

 Chapter 10 Monitor

ISG50 User’s Guide

The following table describes the labels in this screen. 

Monitor > Log

Show Filter / 
Hide Filter

Click this button to show or hide the filter settings.

If the filter settings are hidden, the Display, Email Log Now, Refresh, and Clear Log 
fields are available.

If the filter settings are shown, the Display, Priority, Source Address, Destination 
Address, Service, Keyword, and Search fields are available.

Display

Select the category of log message(s) you want to view. You can also view All Logs at one 
time, or you can view the Debug Log.

Priority

This displays when you show the filter. Select the priority of log messages to display. The 
log displays the log messages with this priority or higher. Choices are: any, emerg, alert, 
crit, error, warn, notice, and info, from highest priority to lowest priority. This field is 
read-only if the Category is Debug Log. 

Source Address

This displays when you show the filter. Type the source IP address of the incoming packet 
that generated the log message. Do not include the port in this filter.

Destination 
Address

This displays when you show the filter. Type the IP address of the destination of the 
incoming packet when the log message was generated. Do not include the port in this 
filter.

Source Interface

This displays when you show the filter. Select the source interface of the packet that 
generated the log message. 

Destination 
Interface

This displays when you show the filter. Select the destination interface of the packet that 
generated the log message. 

Service

This displays when you show the filter. Select the service whose log messages you would 
like to see. The Web Configurator uses the protocol and destination port number(s) of the 
service to select which log messages you see.

Keyword

This displays when you show the filter. Type a keyword to look for in the Message, 
Source, Destination and Note fields. If a match is found in any field, the log message is 
displayed. You can use up to 63 alphanumeric characters and the underscore, as well as 
punctuation marks ()’ ,:;?! +-*/= #$% @ ; the period, double quotes, and brackets are 
not allowed.

Protocol

This displays when you show the filter. Select a service protocol whose log messages you 
would like to see. 

Search

This displays when you show the filter. Click this button to update the log using the current 
filter settings.

Email Log Now 

Click this button to send log message(s) to the Active e-mail address(es) specified in the 
Send Log To field on the Log Settings page (see 

Refresh

Click this button to update the information in the screen.

Clear Log

Click this button to clear the whole log, regardless of what is currently displayed on the 
screen.

#

This field is a sequential value, and it is not associated with a specific log message.

Time 

This field displays the time the log message was recorded.

Priority

This field displays the priority of the log message. It has the same range of values as the 
Priority field above.

Category

This field displays the log that generated the log message. It is the same value used in the 
Display and (other) Category fields.

Message

This field displays the reason the log message was generated. The text “[count=x]”, where 
x is a number, appears at the end of the Message field if log consolidation is turned on 
(see Log Consolidation in 

) and multiple entries were aggregated 

to generate into this one.