HP 6125G HP 6125G & 6125G/XG Blade Switches Network Management and Mon - Page 36
Configuration procedure, Enable NTP authentication on both Device A and Device B.
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• Enable NTP authentication on both Device A and Device B. Figure 15 Network diagram Configuration procedure 1. Set the IP address for each interface as shown in Figure 15. (Details not shown.) 2. Configure Device B: system-view # Enable NTP authentication on Device B. [DeviceB] ntp-service authentication enable # Set an authentication key. [DeviceB] ntp-service authentication-keyid 42 authentication-mode md5 aNiceKey # Specify the key as a trusted key. [DeviceB] ntp-service reliable authentication-keyid 42 # Specify Device A as the NTP server of Device B. [DeviceB] ntp-service unicast-server 1.0.1.11 authentication-keyid 42 Before Device B can synchronize to Device A, enable NTP authentication for Device A. 3. Configure Device A: # Enable NTP authentication. [DeviceA] ntp-service authentication enable # Set an authentication key. [DeviceA] ntp-service authentication-keyid 42 authentication-mode md5 aNiceKey # Specify the key as a trusted key. [DeviceA] ntp-service reliable authentication-keyid 42 # Display the NTP status of Device B after clock synchronization. [DeviceB] display ntp-service status Clock status: synchronized Clock stratum: 3 Reference clock ID: 1.0.1.11 Nominal frequency: 64.0000 Hz Actual frequency: 64.0000 Hz Clock precision: 2^7 Clock offset: 0.0000 ms Root delay: 31.00 ms Root dispersion: 1.05 ms Peer dispersion: 7.81 ms Reference time: 14:53:27.371 UTC Sep 19 2005 (C6D94F67.5EF9DB22) The output shows that Device B has synchronized to Device A because it has a higher stratum than Device A. # Display NTP session information for Device B. [DeviceB] display ntp-service sessions source reference stra reach poll now offset delay disper 29