Why Is Snmp Needed; Default Snmp Values - Dell PowerEdge M420 Configuration Manual

Dell powerconnect m8024-k user's configuration guide

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You can configure various features on the switch to generate SNMP traps that

inform the NMS about events or problems that occur on the switch. Traps

generated by the switch can also be viewed locally by using the Web-based

interface or CLI.

Why Is SNMP Needed?

Some network administrators prefer to use SNMP as the switch management

interface. Settings that you view and configure by using the Web-based Dell

OpenManage Switch Administrator and the CLI are also available by using

If you do not use NMS software to manage or monitor other devices on your

network, it might not be necessary to configure SNMP on the switch.

By default, SNMPv2 is automatically enabled on the device. SNMPv1 and

SNMPv3 are disabled. To enable SNMPv3, you must define a local engine ID

for the device. The local engineID is by default set to the switch MAC

address, however when the switch operates in a stacking mode, it is important

to manually configure the local engineID for the stack. This local engineID

must be defined so that it is unique within the network. It is important to do

this because the default engineID in a stack is the MAC address of the master

unit, which may change if the master unit fails and another unit takes over

Table 12-1 summarizes the default values for SNMP.

Table 12-1. SNMP Defaults

SNMP trap receiver

Switch traps

Default Value

None configured

Configuring SNMP