From: Kenneth Wygand (KWygand@customonline.com)
Date: Fri Feb 06 2004 - 17:54:47 GMT-3
Brian,
This question relates to your white paper on NTP
(internetworkexpert.com), but can also be answered by the group.
In the cases you list, case II is "Authentication on Master (R1) Only"
and case IV is "Authentication on Master (R1) and Client (R2)".
The configuration for R1 in case II is as follows:
<snip>
R1(config)#ntp master 1
R1(config)#ntp authenticate
R1(config)#ntp authentication-key 1 md5 CISCO
<snip>
Yet the configuration for R1 in case IV is as follows:
<snip>
R1(config)#ntp master 1
R1(config)#ntp authentication-key 1 md5 CISCO
<snip>
Note the command "ntp authenticate" is listed in R1's configuration in
case II but not in case IV. The description on both cases is that
Authentication *IS* enabled on R1. Was this done intentionally, and if
so, why is "ntp authenticate" only required in case II.
Thanks!
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
Network+, A+
Custom Computer Specialists, Inc.
"Success is to be measured not so much by the position one has reached
in life as by the obstacles which he has overcome while trying to
succeed."
-Booker Taliaferro Washington
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