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Any configuration changes made locally on the switch won't be synchronized with Sophos Central. We recommend making changes from the Sophos Central control panel instead.

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https://docs.sophos.com/nsg/switch/help/en-us/index.html?contextId=user-guide-features-monitor-RMON

RMON

Remote network monitoring (RMON) supports LAN monitoring and protocol analysis by enabling various network monitors and console systems to exchange network-monitoring data through the switch.

Status List

The Status List defines RMON status on the switch.

Option Description
Index Enter the entry number for event.
Data Source Select the data source from the port.
Owner Enter the switch that defined the event.

Click the Apply button to accept the changes or the Cancel button to discard them.

Event List

The Event List defines RMON events on the Switch.

Option Description
Index Enter the entry number for event.
Event Type Select the event type.
Log: The event is a log entry.
SNMP Trap: The event is a trap.
Log & Trap: The event is both a log entry and a trap.
Community Enter the community to which the event belongs.
Description Displays the number of good broadcast packets received on the interface.
Last Time Sent Displays the time that event occurred.
Owner Enter the switch that defined the event.

Click the Apply button to accept the changes or the Cancel button to discard them.

Event Log Table

From here, you can view specific event logs for the Switch. Choose an event log you wish to view from the drop down list.

Alarm List

You can configure network alarms to occur when a network problem is detected. Choose your preferences for the alarm from the drop down boxes.

Option Description
Index Enter the entry number for the Alarm List.
Sample Port Select the port from which the alarm samples were taken.
Sample Variable Select the variable of samples for the specified alarm sample.
Sample Interval Enter the alarm interval time.
Sample Type Select the sampling method for the selected variable and comparing the value against the thresholds.
Absolute: Compares the values with the thresholds at the end of the sampling interval.
Delta: Subtracts the last sampled value from the current
Rising Threshold Enter the rising number that triggers the rising threshold alarm.
Falling Threshold Enter the falling number that triggers the falling threshold alarm.
Rising Event Enter the event number by the falling alarm are reported.
Falling Event Enter the event number by the falling alarms are reported.
Owner Enter the Switch that defined the alarm.

Click the Apply button to accept the changes or the Cancel button to discard them.

History List

Option Description
Index Enter the entry number for the History List.
Sample Port Select the port from which the history samples were taken.
Bucket Requested Enter the number of samples to be saved. The range is from 1 to 50.
Interval Enter the time that samples are taken from the ports. The field range is from 1 to 3600.
Owner Enter the RMON user that requested the RMON information. The range is from 0 to 32 characters.

Click the Apply button to accept the changes or the Cancel button to discard them.

History Log Table

From here, you can view the History Index for history logs on the Switch. Select a history index to view from the drop down box.

Statistics

From here, you can view all the RMON statistics of the Switch.

Option Description
Port Indicates the specific port for which RMON statistics are displayed.
Drop Events Displays the number of dropped events that have occurred on the port.
Octets Displays the number of octets received on the port.
Pkts Displays the number of packets received on the port.
Broadcast Pkts Displays the number of good broadcast packets received on the port. This number does not include Multicast packets.
Multicast Pkts Displays the number of good Multicast packets received on the port.
CRC & Align Errors Displays the number of CRC and Align errors that have occurred on the port.
Undersize Pkts Displays the number of undersized packets (less than 64 octets) received on the port.
Oversize Pkts Displays the number of oversized packets (over 1518 octets) received on the port.
Fragments Displays the number of fragments received on the port.
Jabbers Displays the total number of received packets that were longer than 1518 octets.
Collisions Displays the number of collisions received on the port.
Pkts of 64 Octets Displays the number of 64 byte frames received on the port.
Pkts of 65 to 127 Octets Displays the number of 65 to 127 byte packets received on the port.
Pkts of 128 to 255 Octets Displays the number of 128 to 255 byte packets received on the port.
Pkts of 256 to 511 Octets Displays the number of 256 to 511 byte packets received on the port.
Pkts of 512 to 1023 Octets Displays the number of 512 to 1023 byte packets received on the port.
Pkts of 1024 to 1518 Octets Displays the number of 1024 to 1518 byte packets received on the port.