Changing trap notification for SNMP v3

Follow this procedure to change the IP addresses and users for SNMP v3 trap notification.

1. In the maintenance utility, open the Alert Notifications window.
2. In the Alert Notifications window, click Set Up.
3. In the Set Up Alert Notifications window, select the SNMP tab.
4. Under SNMP Agent, click Enable.
5. Under SNMP Version, select v3.
6. Under Registered Sending Trap Settings, select a trap setting that you want to change, and then click Change.
7. In the Change Sending Trap Setting window, under Send Trap To, select IPv4 or IPv6 and enter an IP address.
   Note:

   • Any IP address that has all values set to zero (0) cannot be specified for IPv4 and IPv6. The IPv6 address is specified by entering eight hexadecimal numbers that are separated by colons (:) using a maximum of 4 digits from zero (0) to FFFF, inclusive. The default form of the IPv6 address can be specified.
   • If Send Trap To is grayed out and you cannot select and enter the values, delete the registered settings for that trap destination, and then add the settings for the trap destination again. For details, see Deleting SNMP trap notification and Adding trap notification for SNMP v3.
8. Under User Name, enter a user name.
   Note:

   • If you use a user name that has already been specified for Sending Trap Setting or Request Authentication Setting, specify the same settings for the following options that were specified for that name. Otherwise, SNMP traps might not be sent correctly.

     • Authentication
     • Authentication - Protocol
     • Authentication - Password
     • Encryption
     • Encryption - Protocol
     • Encryption - Key
   • If User Name is grayed out and you cannot enter the value, delete the registered settings for that trap destination, and then add the settings for the trap destination again. For details, see Deleting SNMP trap notification and Adding trap notification for SNMP v3.

   You can enter up to 32 letters, numbers, and symbols, except the following:

   " \ ; : , * ? < > | / ^ & %

   Do not use a space at the beginning or end of the name.

9. Under Authentication, select whether to Enable or Disable authentication.
   If you select Enable, complete the following steps:
   1. For Protocol, select an authentication type.
   2. If you change your password, check the Change Password checkbox and then enter a password.
10. Under Encryption, select whether to Enable or Disable encryption.
    If you select Enable, complete the following steps:
    1. For Protocol, select an encryption type.
    2. If you change a key, check the Change Key checkbox and then enter a key.
    3. For Re-enter Key, enter the same key for confirmation.
11. Click OK.
    The IP address and user you entered are changed to the Registered Sending Trap Settings table.
12. Confirm the settings, and then click Apply.