Clock

timezone

clock timezone GMT 0 0

summer time

clock summer-time BST recurring last Sun Mar 1:00 last Sun Oct 1:00

verification

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NTP

ntp server 172.16.200.123
!
ntp authenticate
ntp authentication-key 1 md5 cisco
ntp server 172.16.200.123 key 1
ntp trusted-key 1

verification

Display status of ntp associations

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