Linksys SRW2016 User Manual download pdf (Page 53)

Chapter 5: Using the Web-based Utility for Configuration

Statistics Tab - RMON Alarms

16- or 24-Port 10/100/1000 Gigabit Switch with WebView

Oversize Packets. This is the number of oversized packets (over 1518 octets) received on the interface since the

Switch was last refreshed.

Fragments. This is the number of fragments (packets with fewer than 64 octets, excluding framing bits) received

on the interface since the Switch was last refreshed.

Jabbers. This is the total number of received packets that were longer than 1518 octets. (This number excludes

frame bits.)

Collisions. This is the number of collisions received on the interface since the Switch was last refreshed.

Utilization. This is the percentage of packet utilization across the entire Switch.

Statistics Tab - RMON Alarms

The RMON Alarms screen displays the network alarms you have set. When the network experiences problems or

events, such as rising and falling thresholds, then a network alarm will occur.

Alarm Entry. This identifies a specific alarm.

Counter Name. This is the selected MIB (Management Information Base) variable; for example, this can be the

total number of octets received, the number of unicast packets transmitted, the number of pause frames

received, the number of oversize packets.

Interface. This is the interface for which RMON statistics are displayed, either a port or LAG.

Counter Value. This is the value of the selected MIB variable.

Sample Type. This is the sampling method for the selected variable, Delta, which subtracts the last sampled

value from the current value and then compares the difference to the threshold, or Absolute, which compares

values directly with the thresholds at the end of the sampling interval.

Rising Threshold. This is the rising counter value that triggers the rising threshold alarm.

Rising Event. This is how alarms are reported, by Log, Trap, or Log and Trap.

Falling Threshold. This is the falling counter value that triggers the falling threshold alarm.

Falling Event. This is how alarms are reported, by Log, Trap, or Log and Trap.

Startup Alarm. This is the trigger that activates the alarm generation.

Figure 5-48: Statistics - RMON Alarms

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Linksys SRW2016 User Manual Page 53