Monitoring Timing

Use the show timing command to view the timing settings for the system.

show timing

• Use to display the timing settings and the operational status of the system timing.
• If a timing source fails, the system uses the next time source in the hierarchy, and a message appears in the system log at the warning level. If auto-upgrade is enabled, the system upgrades to a higher-priority timing source when one becomes available, and a message appears in the system log at the notice level.
• Example

  host1#show timing
  
  timing: tertiary (failover from primary)
  primary: external SC E1 (A) (ERROR)
  secondary: ds3 3/0 (ERROR)
  tertiary: internal SC oscillator (ok)
  auto-upgrade enabled

• See show timing.

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