TP-Link T1500 Series User Manual page 797

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Table of Contents

Configuring SNMP & RMON

Follow these steps to configure the Alarm group:

1) Select an alarm entry, choose a variable to be monitored, and associate the entry with a

statistics entry.

2) Set the sample type, the rising and falling threshold, the corresponding event action

mode, and the alarm type of the entry.

Rising Threshold

Rising Event

Displays the index of Alarm entries. The switch supports up to 12 Alarm

Set the alarm variable to be monitored. The switch will monitor the specified

variable in sample intervals and act in the set way when the alarm is triggered.

The default variable is RecBytes.

RecBytes: Total received bytes.

RecPackets: Total received packets.

BPackets: Total broadcast packets.

MPackets: Total multicast packets.

CRC&Align ERR: Packets that range from 64 to 1518 bytes and contain FCS

Error or Alignment Error.

Undersize: Packets that are smaller than 64 bytes.

Oversize: Packets that are larger than 1518 bytes.

Jabbers: Packets that are sent when port collisions occur.

Collisions: Collision times in the network segment.

64, 65-127, 128-255, 256-511, 512-1023, 1024-10240: Total packets of the

specified size.

Associate the Alarm entry with a Statistics entry. Then the switch monitors

the specified variable of the Statistics entry.

Set the sampling method of the specified variable; the default is absolute.

Absolute: Compare the sampling value against the preset threshold.

Delta: The switch obtains the difference between the sampling values of the

current interval and the previous interval, and then compares the difference

against the preset threshold.

Set the rising threshold of the variable. When the sampled value exceeds

the threshold, the system will trigger the corresponding Rising Event. Valid

values are from 1 to 2147483647 and the default is 100.

Specify the index of the Event entry that will be triggered when the sampled

value exceeds the preset threshold. The Event entry specified here should be

enabled first.

RMON Configurations

Configuration Guide