206 CHAPTER 6: C ONFIGURING WX S YSTEM PARAMETERSIf a USM user with access type read-write-notify, read-notify, ornotify-only is already configured, you can select it. Otherwise, you mustcreate a new one. You also can create a new USM user even if one isalready configured.To create a new USM user:a If a list of USM users is displayed, select Create new USM User andclick Next.b In the Username box, type the name of the SNMPv3 user. The namecan be 1 to 32 alphanumeric characters, with no spaces or tabs.c Select the access type. read-notify—An SNMP management application using the stringcan get object values on the switch but cannot set them. Theswitch can use the string to send notifications. notify-only—The switch can use the string to send notifications. notify-read-write—An SNMP management application using thestring can get and set object values on the switch. The switch canuse the string to send notifications.d Select the Engine ID format: Hex—ID is a hexadecimal string. IP—ID is based on the IP address of the station running themanagement application. Enter the IP address of the station. MSScalculates the engine ID based on the address. LocalID—Uses the value computed from the system IP address forthe switch.To send informs, you must specify the engine ID of the informreceiver. To send traps and to allow get and set operations and so on,specify local as the engine ID.If you select Hex or IP, type the hexadecimal string or IP address in theValue box.To configure authentication and encryption settings, finish thisprocedure, then select the USM user and click Properties.8 Click Finish.
