Switch Services 5-27
necessary, modify the attributes of an existing peer or server configuration or create a new neighbor peer or
server SNTP configuration.
To review the switch’s existing NTP neighbor configurations:
1. Select Services > Secure NTP from the main menu tree.
2. Select the NTP Neighbor tab.
3. Refer to the following information (as displayed within the NTP Neighbor tab) to assess whether an
existing neighbor configuration can be used as is, if an existing configuration requires modification or a
new configuration is required.
4. Select an existing neighbor and click the Edit button to modify the existing peer or server designation, IP
address, version, authentication key ID and preferred source designation.
5. Select an existing entry and click the Delete button to remove it from the table.
IP Address/
Hostname
Displays the numeric IP address of the resource (peer or server) providing switch
SNTP resources. Ensure the server is on the same subnet as the switch to provide
SNTP support.
Neighbor Type Displays whether the NTP resource is a Peer (another associated peer device
capable of SNTP support) or a Server (a dedicated NTP server resource). This
designation is made when adding or editing an NTP neighbor.
Key ID Displays whether AutoKey Authentication or Symmetric Key Authentication is
used to secure the interaction between the switch and its NTP resource. This
designation is made when adding or editing an NTP neighbor.
Preferred Source Displays whether this NTP resource is a preferred NTP resource. Preferred sources
(those with a checkmark) are contacted before non-preferred resources. There can
be more than one preferred source.
NTP Version
Displays a NTP version between 1 and 4. Currently version three and four
implementations of NTP are available. The latest version is NTPv4, but the official
Internet standard is NTPv3.
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