VPRN Features
Page 1098 7750 SR OS Services Guide
NTP Within a VPRN Service
The NTP within a VPRN service enables the service router to act as the NTP server to CPE
devices on a VPRN interface. Individual VPRN interfaces may be configured to listen to and
respond to client requests, or additionally may be configured to send NTP broadcast messages.
Authentication keys are configurable on a per-VPRN basis.
Only a single instance of NTP remains in the node that is time sourced to as many as five NTP
servers attached to the “base” or “management” network.
The NTP show command displays NTP servers and all known clients. Because NTP is UDP based
only, no state is maintained. As a result, the show command output only displays when the last
message from the client was received.
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