Dell PowerSwitch S4112F-ON EMC SmartFabric OS10 User Guide Release 10.5.1 - Page 125
Generate SNMPv3 localized keys, Con SNMP traps
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OS10(config)# snmp-server user n3user ngroup remote 172.31.1.3 udp-port 5009 3 auth md5 authpasswd Display SNMP users OS10# show snmp user User name Group Version Authentication Protocol Privacy Protocol : privuser : v3group : 3 : MD5 : AES Generate SNMPv3 localized keys The user-based security model in SNMP v3 offers strong authentication and encryption using the following algorithms: ● Authentication algorithms-MD5 and SHA ● Encryption algorithms-DES and AES-128 While configuring SNMP users, instead of using plain text passwords, you can use localized keys that are encrypted using authentication and encryption algorithms. To generate the localized keys, use the Snmpkey utility in Linux. Ensure that you have the following packages installed in the Linux server to generate the localized keys: ● libnet-snmp-perl ● libcrypt-des-perl ● libdigest-hmac-perl ● libcrypt-rijndael-perl Use the following command to generate the localized keys that you can use when configuring a user: snmpkey {md5 | sha} authpassword engineID [des | 3des | aes] privpassword where authpassword is the password that you specify for the authentication protocol, engineID is the local engineID, and privpassword is the password that you specify for the privacy protocol. Use the show snmp engineID local command to view the local engineID. OS10# show snmp engineID local Local default SNMP engineID: 0x800002a2036c2b59fbd8a0 Enter the following command on the Linux server where you have the Snmpkey utility installed: snmpkey md5 testauthpasswd 0x800002a2036c2b59fbd8a0 des testprivpasswd authKey: 0xaa5bb0eb6e6a9f036dc548e4ad9405f8 privKey: 0xaa5bb0eb6e6a9f036dc548e4ad9405f8 The system generates the authentication and privacy keys. Use the localized keys while configuring the SNMP user. OS10(config)# snmp-server user user3 Group3 3 localized auth md5 0xaa5bb0eb6e6a9f036dc548e4ad9405f8 priv des 0xaa5bb0eb6e6a9f036dc548e4ad9405f8 Configure SNMP traps The SNMP agent sends notification of events to the management station using unsolicited SNMP messages called SNMP traps. SNMP traps optimize the use of network resources. SNMP version 1 and version 2C traps can coexist with version 3 traps. SNMP versions 1 and 2C use the trap category for access control. SNMP version 3 traps are associated to SNMP users with a given authentication level. Configure SNMP traps on the OS10 switch for it to send notifications to the management station. System management 125
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