Using Simple Network Management Protocol (SNMP)
Monitoring and Diagnostics 7-9
6. If you chose SNMP v3, enter a name for the new SNMP user in the User Name
field.
7. To authenticate the SNMP v3 user, select one of the methods listed in the
Authentication Protocol list. Choose SHA for best security or MD5 for
compatibility with systems that use MD5.
8. Enter a strong user-authentication password in the SNMP v3 Authentication
Passphrase text field.
9. To secure management data during network transmission, choose an encryption
standard from the SNMP v3 Privacy Protocol list. Select AES (Advanced
Encryption Standard) for best security or DES (Data Encryption Standard) for
compatibility with systems that use DES.
10. Enter a strong data-protection password in the SNMP v3 Privacy Passphrase text
field.
11. To close the dialog without adding the SNMP user, press Cancel.
12. To add the SNMP user and close the dialog, press OK.
Update an SNMP User
To change the access parameters of an SNMP user, proceed as follows:
1. Select SNMP from the menu on the left side of the interface.
The tabbed SNMP property sheet appears.
2. Select the SNMP Users tab.
3. Click on Edit SNMP User in the control bar above the table.
The Edit SNMP User dialog appears.
4. If you need to change the SMNP version used, click the Versio n list. Choose v3
unless you need compatibility with older SNMP versions and have no security
concerns, in which case choose v2c.
5. If you changed to SNMP v2c in the preceding step, enter a community string (a
password or phrase) in the Community Name text field. Then go to step 13.
6. If you just need to change an SNMP v2c community string, make your change in
the Community Name text field. Then go to step 13.
7. If you changed to SNMP v3 in step 5, enter a name for the SNMP user in the User
Name field.
8. If you just need to change an SNMP v3 user name, make your changes in the User
Name field.
9. If you need to change the SNMP v3 authentication method, select one of the
methods listed in the Authentication Protocol list. Choose SHA for best security
or MD5 for compatibility with systems that use MD5.
10. If you need to change the SNMP v3 authentication password, make your changes
in the Authentication Passphrase text field.
11. If you need to change the SNMP v3 data-encryption method, chose a standard
from the Privacy Protocol list. Select AES (Advanced Encryption Standard) for
best security or DES (Data Encryption Standard) for compatibility with systems
that use DES.
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