From: Ahmed Elhoussiny (aelhoussiny@gmail.com)
Date: Mon Aug 18 2008 - 09:15:55 ART
Hello pal ,
Just revrse the authentication config u done.
R4(config)#do sho run | i ntp
ntp authentication-key 1 md5 000D03031C4B0E141B 7
ntp source Loopback0
ntp master 1
R4(config)#
R6(config)#do sho run | i ntp
ntp clock-period 17179893
ntp source Loopback0
ntp authenticate
ntp authentication-key 1 md5 000D03031C4B0E141B 7
ntp trusted-key 1
ntp server 136.10.4.4 key 1
B.regards
ahmed elhoussiny
On 8/18/08, Jason Madsen <madsen.jason@gmail.com> wrote:
>
> always remember that with NTP, the authentication requirement is decided by
> the CLIENT only. it's to validate that their time source is legit'. the
> server can't force the clients to authenticate...other way around. just
> specify the key on the server and all the other stuff on the clients.
>
> Jason
>
> On Sun, Aug 17, 2008 at 3:41 PM, Morris, Jason L. <
> Jasmorris@axcess-financial.com> wrote:
>
> > Thanks for the info after checking the authentication portion I'm kind
> > of confused. According the doccd I think I have the authentication setup
> > correct but systems without the key are still able to sync I've pasted
> some
> > output below. Maybe someone smarter than myself can shed some light on
> > this I hate NTP always seems buggy
> >
> >
> >
> > R4(config)#do sho run | i ntp
> >
> > ntp authentication-key 1 md5 000D03031C4B0E141B 7
> >
> > ntp authenticate
> >
> > ntp trusted-key 1
> >
> > ntp source Loopback0
> >
> > ntp master 1
> >
> > R4(config)#
> >
> >
> >
> >
> >
> > R6(config)#do sho run | i ntp
> >
> > ntp clock-period 17179893
> >
> > ntp source Loopback0
> >
> > ntp server 136.10.4.4
> >
> > R6(config)#do sho ntp ass
> >
> >
> >
> > address ref clock st when poll reach delay offset
> > disp
> >
> > *~136.10.4.4 .LOCL. 1 37 64 377 59.0
> > 4.98 0.2
> >
> > * master (synced), # master (unsynced), + selected, - candidate, ~
> > configured
> >
> > R6(config)#
> >
> >
> >
> >
> >
> > *Jason Morris*
> > ------------------------------
> >
> > *From:* Jason Madsen [mailto:madsen.jason@gmail.com]
> > *Sent:* Sunday, August 17, 2008 5:34 PM
> > *To:* Morris, Jason L.
> > *Cc:* ccielab@groupstudy.com
> > *Subject:* Re: NTP on the DocCD?
> >
> >
> >
> > here it is for 12.4:
> >
> >
> >
>
> http://www.cisco.com/en/US/docs/ios/netmgmt/configuration/guide/nm_basic_sys_
> manage_ps6350_TSD_Products_Configuration_Guide_Chapter.html
> >
> >
> > under net mgt and then basic setup or something or other.
> >
> > Jason
> >
> > On Sun, Aug 17, 2008 at 3:27 PM, Morris, Jason L. <
> > Jasmorris@axcess-financial.com> wrote:
> >
> > Sorry for the noob questions but I cant find it on there anywhere...
> >
> >
> >
> > Is there a good way to search the doc cd outside of the lab just to find
> > the location of things like this?
> >
> >
> >
> > Jason Morris
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
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>
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