
Configuring IP Utilities
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Setting Local Host Mode
Local Host Mode indicates the mode of operation of the router (NTP client). By
default, the Local Host Mode is set to Client, because only Unicast Client mode is
supported.
Specifying the Source IP Address
The source IP address allows you to specify a single Internet protocol address that
NTP uses to override the source address of the IP interface from which the NTP
packet is transmitted. You use this parameter only when you want the time server
to filter NTP time stamps for the NTP client based on IP source address. We
recommend using a circuitless IP address as the source IP address.
You might also want to specify a source IP address when you have enabled
security features on a time server and you want to restrict access to it.
Specifying Peer Preference
The Peer Preference parameter allows you to specify a list of time servers (peers)
that are preferred by the NTP client above and beyond the criteria for selecting
peers (stratum setting, closest, and claimed higher precision).
By default, the Peer Preference option value is set to No. When this value is No,
the NTP client can synchronize its internal clock to the “best” time source using
the NTP decision criteria for selecting time servers.
To enable Peer Preference for a time server, you must change the Peer Preference
option value to Yes. When the value is Yes, the NTP client synchronizes its
internal clock to the preferred time server (peer).
Site Manager: Local Host Mode parameter: page A-18
Site Manager: Source IP Address parameter: page A-19
Site Manager: Peer Preference parameter: page A-19
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