Administration
Time Settings
Cisco Small Business SG200 Series 8-port Smart Switches Administration Guide
46
4
-
Server Kiss of Death
—SNTP server has replied with a kiss of death
packet, instructing the switch to stop sending requests to the server, due
to traffic spikes or other error conditions.
-
Other
—The status could not be determined.
•
Last Response
—Time of the last response from the SNTP server.
•
Version
—SNTP protocol version the server uses.
•
Port
—Protocol port number (123 is a well-known port number for SNTP).
•
Polling Mode
—Whether the switch is configured to send SNTP requests to
this server (Enabled or Disabled).
•
Total Unicast Requests
—The total number of synchronization requests the
switch has made to the unicast server.
To edit the settings for a server, check the box to select it, and then click
Edit
. To
remove a server, check the box to select it, and then click
Delete
. To add a new
server, click
Add
, and then enter the settings, as described below.
To add an SNTP server:
STEP 1
Click
Add
.
STEP 2
Enter the parameters:
•
SNTP Server
—Enter an IPv4 address or a domain name. To use a domain
name, ensure that the DNS service is enabled on the switch (see
Domain
Name System
).
•
Authentication Key
—Select
Enable
if authentication is needed when
communicating with the SNTP server.
•
Authentication Key ID
—If authentication is used, select the Authentication
Key ID from the list. See
Configuring SNTP Authentication
for information
on configuring authentication keys.
•
Polling Mode
—Select
Enable
to allow the switch to send requests to this
server.
•
Port
—Specify the UDP port number to be specified in the SNTP message
headers. By default, the port number is the well-known IANA value of 123.
•
Version
—Specify the highest SNTP version (1–4) that the server supports.
