3Com 3500 - Manual (Page 116)

116 C HAPTER 3: S YSTEM E NVIRONMENT
✓ 3500
9000
✓ 9400
✓
3900
✓
9300
system sntp display Displays Simple Network Time Protocol (SNTP) information.
Valid Minimum Abbreviation
sy snt di
Important Considerations
■
SNTP handles the synchronization of system clocks in the network to
the national time standards via distributed time servers.
■
Your system provides the SNTP client.
■
The display has two types of information:
■
Configuration information — User configurable parameters
appear.
■
Servers information — Information returned by the server
appears if you have defined SNTP servers. Otherwise, the
No
Servers are defined
message appears.
Fields in the System SNTP Display
Field Description
Configuration Information
State SNTP state. It is either enabled or disabled
PollInterval Interval for the client to send requests to a specific
server
Tolerance Threshold for updating the local system time
Servers Information
Server Server IP address
Mode Client’s SNTP operating mode. This field always
displays
Unicast .
Version Version number of the responding server (for
example,
4 represents version 4, which is suitable for
IPv4, IPv6, and OSI). The client version number is 3 .
Stratum 8-bit integer that indicates the stratum level of the
local clock (for example, a stratum value of
3
indicates a secondary reference via SNTP).
Poll Maximum interval between successive messages
Delay Roundtrip propagation delay from the server’s reply
LastPktRcv Date and time stamp of the last packet that was
received from the specific server.