Reference Guide

System Time and Date | 911
Figure 51-1. NTP Fields
Implementation Information
• Dell Networking systems can only be an NTP client.
Configuring Network Time Protocol
Configuring NTP is a one-step process:
1. Enabling NTP.
Related Configuration Tasks
• Configuring NTP broadcasts
• Setting the Hardware Clock with the Time Derived from NTP
• Setting the Hardware Clock with the Time Derived from NTP
• Disabling NTP on an interface
• Configuring a source IP address for NTP packets (optional)
Source Port
(123)
Destination Port
(123)
Length
NTP Packet Payload
Checksum
Leap
Indicator
Status
Type
Est. Error
Est. Drift Rate
Reference
Clock ID
Recieve
Timestamp
Transmit
Timestamp
Reference
Timestamp
Originate
Timestamp
Code: 00: No Warning
01: +1 second
10: -1 second
11: reserved
Precision
Range: 0-4
Code: 0: clock operating correctly
1: carrier loss
2: synch loss
3: format error
4: interface/link failure
Range: 0-4
Code: 0: unspecified
1: primary reference clock
2: secondary reference clock via NTP
3: secondary reference via some other host/protocol
4: eyeball-and-wristwatch
Range: +32 to -32