From: Scott Morris (swm@emanon.com)
Date: Wed Nov 22 2006 - 12:18:15 ART
The parameter is designed for if you have more than one key/server
configured. If you only have one, mentioning the key on the ntp server line
is not necessary.
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE
#153, CISSP, et al.
CCSI/JNCI-M/JNCI-J
IPExpert VP - Curriculum Development
IPExpert Sr. Technical Instructor
smorris@ipexpert.com
http://www.ipexpert.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Lab
Rat #109385382
Sent: Wednesday, November 22, 2006 4:26 AM
To: 'Petr Lapukhov'
Cc: Cisco certification; security@groupstudy.com
Subject: RE: NTP Question
Petr.not sure about that. I've labbed up both ways and they both work (with
only one key configured). Maybe I didn't wait long enough, but NTP was
sync'd in both scenarios.
From: petrsoft@gmail.com [mailto:petrsoft@gmail.com] On Behalf Of Petr
Lapukhov
Sent: Wednesday, November 22, 2006 12:56 AM
To: Lab Rat #109385382
Cc: Cisco certification; security@groupstudy.com
Subject: Re: NTP Question
You definitely need "ntp server x.x.x.x key y" in order to let your router
know, what key to use when polling the NTP server. This is because you may
have many keys configured on the same router, and use different keys for
different servers.
2006/11/22, Lab Rat #109385382 <techlist01@gmail.com>:
I have seen two different configurations by a from leading training vendors.
If you have the following commands set:
ntp authenticate
ntp authentication-key 1 md5 PASSWORD
ntp trusted-key 1
do you need the following command:
ntp server x.x.x.x key 1
I have seen the solution stated as such:
ntp server x.x.x.x
Thanks,
Ed
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