HP 6120XG ProCurve Series 6120 Blade Switches Management and Configuration Gui - Page 227
Configuring the Key-Identifier, Authentication Mode, and Key-Value, Configuring a Trusted Key, key-id
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Time Protocols SNTP: Viewing, Selecting, and Configuring Configuring the Key-Identifier, Authentication Mode, and Key-Value This command configures the key-id, authentication-mode, and key-value, which are required for authentication. It is executed in the global configura tion context. Syntax: sntp authentication key-id authentication-mode key-value [trusted] no sntp authentication key-id Configures a key-id, authentication-mode (MD5 only), and key-value, which are required for authentication. The no version of the command deletes the authentication key. Default: No default keys are configured on the switch. key-id: A numeric key identifier in the range of 1 4,294,967,295 (232)that identifies the unique key value. It is sent in the SNTP packet. key-value : The secret key that is used to generate the message digest. Up to 32 characters are allowed for . ProCurve(config)# sntp authentication key-id 55 authentication-mode md5 key-value secretkey1 Figure 9-12. Example of Setting Parameters for SNTP Authentication Configuring a Trusted Key Trusted keys are used in SNTP authentication. In unicast mode, a trusted key must be associated with a specific NTP/SNTP server. That key is used for authenticating the SNTP packet. In unicast mode, a specific server is configured on the switch so that the SNTP client communicates with the specified server to get the date and time. In broadcast mode, the SNTP client switch checks the size of the received packet to determine if it is authenticated. If the broadcast packet is authenti cated, the key-id value is checked to see if the same key-id value is configured on the SNTP client switch. If the switch is configured with the same key-id value and the key-id value is configured as "trusted", the authentication 9-19
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