Dell N3200-ON EMC Networking N-Series Switches CLI Reference Guide version 6.7 - Page 2268

• default - The engineID is created automatically, based on the device MAC address. Default Configuration The engineID is generated using the switch MAC address. Command Mode Global Configuration mode User Guidelines If you want to use SNMPv3, an engine ID is required for the switch. You can specify your own ID or use the default string that is generated using the MAC address of the device. If the SNMPv3 engine ID is changed, or the configuration file is erased, then SNMPv3 cannot be used until the SNMPv3 users are reconfigured. Since the EngineID must be unique within an administrative domain, the following guidelines are recommended: 1 For standalone devices use the default keyword to configure the Engine ID. 2 For stackable systems, configure your own EngineID, and verify that is unique within your administrative domain. Changing the value of the snmpEngineID has important side-effects. A user's password (entered on the command line) is converted to an MD5 or SHA security digest. This digest is based on both the password and the local engine ID. The command line password is then deleted and is not stored on the switch, as required by RFC 2274. Because of this deletion, if the local value of engineID changes, the security digests of SNMPv3 users will be invalid and the users will have to be reconfigured. Example The following example configures the Engine ID automatically. console(config)# snmp-server engineID local default Switch Management Commands 2268