NTP Authentication.

From: Chen Kwong Wai William (kwchen@netvigator.com)
Date: Wed Aug 13 2003 - 10:43:02 GMT-3

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Dear all,

    Any one confirm me that whether the Client setting 1 or 2 is correct?
I've try setting 1, but it seems the client does not authenticate the
server. Even I set the server and client with different keys, client always
sync. clock with server. So I believer 2 is correct, but many solution/cisco
books will suggest the setting of 1?

NTP Server:

ntp authentication-key 1 md5 cisco
ntp authenticate
ntp trusted-key 1
ntp source Loopback0
ntp master 4

NTP Client (Setting 1):

ntp authentication-key 1 md5 cisco
ntp authenticate
ntp trusted-key 1
ntp server 10.10.10.4

NTP Client (Setting 2):

ntp authentication-key 1 md5 cisco
ntp authenticate
ntp trusted-key 1
ntp server 10.10.10.4 key 1

Best,
William Chen

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