1

In the navigation tree, click System Management > SNMP.

2

Select Enable SNMP Agent.

3

In the Version drop down list, select the version of SNMP to run:

• 1/v2/v3 (any)

  Select this option if your SNMP management station does not support SNMPv3.

• v3-Only

  Select this option if your SNMP management station supports v3.

  SNMPv3 provides a higher level of security than v1 or v2.

4

In SNMP Location String, enter a string that contains the location for the system.

The maximum length for the string is 128 characters.

That includes letters, numbers, spaces, special characters

For example: Bldg 1, Floor 3, WAN Lab, Fast Networks, Speedy, CA

5

In SNMP Contact String, enter a string that contains the contact information for the device.

The maximum length for the string is 128 characters.

That includes letters, numbers, spaces, special characters.

For example: John Doe, Network Administrator, (111) 222‑3333

6

Click Apply.

1

In the navigation tree, click System Management > SNMP.

The SNMP Addresses table shows the applicable interfaces and their IP addresses.

2

By default, all interfaces are selected. You can select the individual interfaces.

1

In the V1/V2 Settings section, in Read Only Community String, set a string other than public. You must always use this is a basic security precaution.

2

Optional.

Set a Read-Write Community String.

Warning - Set a read-write community string only if you have reason to enable set operations, and if your network is secure.

1

In the navigation tree, click System Management > SNMP.

2

In the V3 - User-Based Security Model (USM) section, click Add. The Add New USM User window opens.

3

In the User Name, enter the desired user name that is between 1 and 31 alphanumeric characters with no spaces, backslash, or colon characters. This can be the same as a user name for system access.

4

In the Security Level, select one of these options from the drop-down list:

• authPriv - The user has authentication and privacy pass phrases and can connect with privacy encryption.
• authNoPriv - The user has only an authentication pass phrase and can connect only without privacy encryption.

5

In the User Permissions, select one of these options from the drop-down list:

• read-only
• read-write

6

In the Authentication Protocol, select one of these options from the drop-down list:

• MD5
• SHA1

The default is MD5.

7

In the Authentication Pass Phrase, enter a password for the user that is between 8 and 128 characters in length.

8

In the Privacy Protocol, select:

• DES
• AES

The default is DES.

9

In the Privacy Pass Phrase, enter a pass phrase that is between 8 and 128 characters in length.

Used for protection against disclosure of SNMP message payloads.

10

Click Save.

The new user shows in the table.

1

In the navigation tree, click System Management > SNMP.

2

In the V3 - User-Based Security Model (USM) section, select the user and click Remove.

The Deleting USM User Entry window opens.

3

The window shows this message: Are you sure you want to delete "username" entry? Click Yes.

1

In the navigation tree, click System Management > SNMP.

2

In the V3 - User-Based Security Model (USM) section, select the user and click Edit.

The Edit USM User window opens.

3

You can change the Security Level, User Permissions, the Authentication Protocol, the Authentication Passphrase, or the Privacy Protocol.

4

Click Save.

1

In the navigation tree, click System Management > SNMP.

2

In the Enabled Traps section, click Set. The Add New Trap Receiver window opens.

• To enable a trap: Select from the Disabled Traps list, and click Add>
• To disable a trap: Select from the Enabled Traps list, and click Remove>

3

Click Save.

4

Add a USM user.

You must do this even if you use only SNMPv1 or SNMPv2.

In the Trap User, select an SNMP user.

5

In Polling Frequency, specify the number of seconds between polls.

6

Click Apply.

1

In the navigation tree, click System Management > SNMP.

2

In the Trap Receivers Settings section, click Add.

The Add New Trap Receiver window opens.

3

In the IPv4 Address, enter the IP address of an SNMP receiver.

4

In the Version, select the SNMP Version for the specified receiver.

5

In the Community String, enter the SNMP community string for the specified receiver.

6

Click Save.

1

In the navigation tree, click System Management > SNMP.

2

In the Trap Receivers Settings section, select the SNMP receiver and click Edit.

The Edit Trap Receiver window opens.

3

You can change the SNMP version or the SNMP community string.

4

Click Save.

1

In the navigation tree, click System Management > SNMP.

2

In the Trap Receivers Settings section, select the SNMP trap receiver and click Remove. The Deleting Trap Receiver Entry window opens.

3

The window shows this message: Are you sure you want to delete "IPv4 address" entry? Click Yes.