Cisco Sg3008 Manual

Status and Statistics
Managing RMON
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  21
2
 
•Fragments—Number of fragments (packets with less than 64 octets, 
excluding framing bits, but including FCS octets) received.
•Jabbers—Total number received packets that were longer than 1632 
octets. This number excludes frame bits, but includes FCS octets that had 
either a bad FCS (Frame Check Sequence) with an integral number of octets 
(FCS Error) or a bad...

Status and Statistics
Managing RMON
22 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
2
The History Control Table page defines the sampling frequency, amount of 
samples to store and the port from where to gather the data. 
After the data is sampled and stored, it appears in the History Table page that can 
be viewed by clicking History Table. 
To enter RMON control information:
STEP 1Click Status and Statistics > RMON > History. The fields displayed...

Status and Statistics
Managing RMON
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  23
2
 
STEP 1Click Status and Statistics > RMON > History.
STEP  2Click History Table.
STEP  3From the History Entry No. list, select the entry number of the sample to display.
The fields are displayed for the selected sample.
•Owner—History table entry owner.
•Sample No.—Statistics were taken from this sample.
•Drop Events—Dropped packets due to lack of network...

Status and Statistics
Managing RMON
24 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
2
Defining RMON Events Control 
You can control the occurrences that trigger an alarm and the type of notification 
that occurs. This is performed as follows:
•Events Page—Configures what happens when an alarm is triggered. This 
can be any combination of logs and traps.
•Alarms Page—Configures the occurrences that trigger an alarm. 
To define RMON events:
STEP...

Status and Statistics
Managing RMON
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  25
2
 
STEP  4Click Apply. The RMON event is saved to the Running Configuration file.
STEP  5Click Event Log Table to display the log of alarms that have occurred and that have 
been logged (see description below).
Viewing the RMON Events Logs
The Event Log Table page displays the log of events (actions) that occurred. Two 
types of events can be logged: Lo g or Log and...

Status and Statistics
Managing RMON
26 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
2
To enter RMON alarms:
STEP 1Click Status and Statistics > RMON > Alarms. All previously-defined alarms are 
displayed. The fields are described in the Add RMON Alarm page below. In 
addition to those fields, the following field appears:
•Counter Value—Displays the value of the statistic during the last sampling 
period. 
STEP  2Click Add.
STEP  3Enter the...

Status and Statistics
View Lo g
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  27
2
 
•Interval—Enter the alarm interval time in seconds.
•Owner—Enter the name of the user or network management system that 
receives the alarm.
STEP  4Click Apply. The RMON alarm is saved to the Running Configuration file.
View Log
See Viewing Memory Logs. 

Status and Statistics
View Lo g
28 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
2 

3
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  29
 
Administration: System Log
This section describes the System Log feature, which enables the device to 
generate multiple independent logs. Each log is a set of messages describing 
system events.
The device generates the following local logs:
•Log sent to the console interface.
•Log written into a cyclical list of logged events in the RAM and erased when 
the device reboots.
•Log written to a...

Administration: System Log
Setting System Log Settings
30 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version) 
3
The event severity levels are listed from the highest severity to the lowest severity, 
as follows:
•Emergency—System is not usable.
•Aler t—Action is needed.
•Critical—System is in a critical condition.
•Error—System is in error condition.
•Warning—System warning has occurred.
•Notice—System is functioning properly, but a system notice has...