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2-6 SNMP
Any Network Management System (NMS) running the Simple Network Management Protocol
(SNMP) can manage the Managed devices equipped with SNMP agent, provided that the
Management Information Base (MIB) is installed correctly on the managed devices. The
SNMP is a protocol that is used to govern the transfer of information between SNMP manager
and agent and traverses the Object Identity (OID) of the management Information Base (MIB),
described in the form of SMI syntax. The SNMP agent running on the switch responds to the
request issued by SNMP manager.
Basically, it is passive except for issuing the trap information. The switch supports a switch to
turn on or off the SNMP agent. If you set the field SNMP to “Enable”, the SNMP agent will
start up. All supported MIB OIDs, including RMON MIB, can be accessed via SNMP manager.
If the field SNMP is set “Disable,” the SNMP agent will be de-activated, and the related
Community Name, Trap Host IP Address, Trap, and all MIB counters will be ignored.
2-6.1 System
This section describes how to configure SNMP System on the switch. This function is used
to configure SNMP settings, community name, trap host, and public traps, as well as the
throttle of SNMP. A SNMP manager must pass the authentication by identifying both
community names, then it can access the MIB information of the target device. So, both
parties must have the same community name. Once completing the setting, click on the
<Apply> button, and the setting takes effect.
Web Interface
To display the SNMP System Configuration in the Web interface:
1. Click SNMP, System.
2. Evoke SNMP State to enable or disable the SNMP function .
3. Specify the Engine ID
4. Click Apply.
Figure2- 6.1: The SNMP System Configuration
Parameter description:
These parameters are displayed on the SNMP System Configuration page:
SNMP State :
The term SNMP here is used to activate or de-activate SNMP.
Enable: Enable SNMP state operation.
Disable: Disable SNMP state operation.
Default: Enable.
Engine ID :
SNMPv3 engine ID. syntax: 0-9,a-f,A-F, min 5 octet, max 32 octet, fifth octet
can't input 00. Changing the Engine ID will clear all original users.