Chapter 22 Mgmt Config and System Restart Menu

SNMP itself is a simple request/response protocol based on the manager/agent model. The manager issues a request and the agent returns responses using the following protocol operations:

Table 65 SNMP Commands

COMMAND

DESCRIPTION

Get

Allows the manager to retrieve an object variable from the agent.

 

 

GetNext

Allows the manager to retrieve the next object variable from a table or list

 

within an agent. In SNMPv1, when a manager wants to retrieve all

 

elements of a table from an agent, it initiates a Get operation, followed by a

 

series of GetNext operations.

 

 

Set

Allows the manager to set values for object variables within an agent.

 

 

Trap

Used by the agent to inform the manager of some events.

 

 

22.3.1 The SNMP Communities Screen

Use this screen to configure the SNMP communities. Click Mgmt Config > SNMP Config > SNMP Communities to open the following screen.

Figure 82 Mgmt Config > SNMP Config > SNMP Communities

The following table describes the labels in this screen.

Table 66 Mgmt Config > SNMP Config > SNMP Communities

LABEL

DESCRIPTION

GET

Enter the Get community string, which is the password for the

 

incoming Get- and GetNext- requests from the management

 

station.

 

 

SET

Enter the Set community string, which is the password for

 

incoming Set- requests from the management station.

 

 

Undo

Click this to restore your last saved settings.

 

 

Apply

Click Apply to save your changes to the ZyXEL Device’s run-time

 

memory. The ZyXEL Device loses these changes if it is turned off

 

or loses power, so use the Save Settings link in the navigation

 

panel to save your changes to the non-volatile memory.

 

 

22.3.2 The IP Trap Manager Screen

An IP trap manager receives authentication failure messages or other trap messages about the MES-2110’s activities. The MES-2110 supports up to five trap

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ZyXEL Communications MES-2110 Snmp Communities Screen, IP Trap Manager Screen, 167, Snmp Commands, Command Description