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Common Configuration Tasks
NTP
Network Time Protocol (NTP) is defined in RFC 1305, Network Time Protocol (Version 3)
Specification, Implementation and Analysis. It allows for participating network nodes to keep time
more accurately and maintain time in a synchronized manner between all participating network
nodes.
NTP time elements include:
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•
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Authentication-check
The authentication-check command provides for the option to skip the rejection of NTP PDUs that
do not match the authentication key or authentication type requirements. The default behavior
when authentication is configured is to reject all NTP protocol PDUs that have a mismatch in
either the authentication key-id, type, or key.
When authentication-check is configured, NTP PDUs are authenticated on receipt. However,
mismatches cause a counter to be increased, one counter for key-id, one for type, and one for key
value mismatches.
CLI Syntax: config>system>time>ntp
Example
Page 222
Authentication-check on page 222
Authentication-key on page 223
Broadcast on page 223
Broadcastclient on page 224
Multicast on page 225
Multicastclient on page 225
NTP-server on page 226
Peer on page 226
Server on page 227
authentication-check
:
config>system>time>ntp#
config>system>time>ntp# authentication-check
config>system>time>ntp# no shutdown
7710 SR OS Basic System Configuration Guide
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