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Lab 11.5.10: Configuring SNMP Security and Traps

Estimated Time: 20 minutes

Objective

Upon completion of this lab, students will be able to configure SNMP monitoring agentsto run tests and alerts for their systems.

Equipment

A PC with Windows 2000 Professional installed.

A PC with SNMP installed.

Scenario

The network needs to be monitored more closely. SNMP must be set up with securityand traps.

Procedures

Configure the security and traps features used by SNMP:

Step 1

Click Start > Programs > Administrative Tools > Computer Management. In theconsole tree, open Services and Applications and click Services.

Step 2

In the details pane, right-click SNMP Service and click Properties.

Step 3

Click the Security tab. Put a checkmark in the box next to Send authentication trap.This will display a trap message when the authentication fails.

Step 4

Click Add underAccepted community names. A SNMP Service Configuration box willopen. UnderCommunity rights, highlight READ ONLY, right-click and then selectWhats This. Write the different definitions below.

None -____________________________________________________________

Notify -____________________________________________________________

Read Only -________________________________________________________

Read Write -________________________________________________________

Read Create -_______________________________________________________

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Next, make the Community Name public,then click Add.

Step 5

In the lower part of the security tab window select Accept SNMPpacket from any host.Click Apply, and then OK.

What is the purpose of a community name?

__________________________________________________________________

Step 6

From the SNMP Service Properties window, click on the Traps tab. UnderCommunityname, type public1 in the drop down list. Click Add to list. Public will appear in the boxby default.

Step 7

Under Trap destinations click Add and type the Host name, the name of your PC, in thebox. Click Apply, and then OK. Close all windows.

Troubleshooting

Before configuring SNMP on a network, document the layout of the network depictingSNMP communities. When setting the community name, do not use the default name ofPUBLIC. Using this default name poses a security risk. If access is gained to thedevice, intruders can obtain device information and possibly change the configurations.

Reflection

What is the default SNMP community name?

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