Re: NTP - Configuration peer vs server

The NTP SERVER command has you confused - you are not configuring a "server", but instead, you are configuring a "client" with this command.

The NTP PEER command is well-named, since you are willing to be a "server" or "client" with the peer device.

On Apr 2, 2010, at 2:07 PM, ccie_ka_at_gmx.de wrote:

> Hi Anthony,
>
> thanks for the link...oh yeahh I know I should read this in detail...;-)
>
> Because of my posting I hope will get a short explanation about ntp peer vs ntp server...
>
> Dennis
> -------- Original-Nachricht --------
>> Datum: Fri, 2 Apr 2010 13:53:12 -0400
>> Von: Anthony Sequeira <asequeira_at_ine.com>
>> An: Anthony Sequeira <asequeira_at_ine.com>
>> CC: ccie_ka_at_gmx.de, ccielab_at_groupstudy.com
>> Betreff: Re: NTP - Configuration peer vs server
>
>> Here is the missing DOC-CD link from my post - sorry:
>>
>> http://www.cisco.com/en/US/docs/ios/netmgmt/configuration/guide/nm_basic_sys_manage_ps6441_TSD_Products_Configuration_Guide_Chapter.html#wp1001075
>>
>> On Apr 2, 2010, at 1:49 PM, Anthony Sequeira wrote:
>>
>>> Hi Dennis!
>>>
>>> Use the following section of the DOC-CD to ensure you understand the
>> differences between NTP SERVER, NTP MASTER, NTP PEER. You can also turn to
>> resources like our CCIE Written Bootcamp to learn this, but notice the DOC-CD
>> has a really nice price tag. :-)
>>>
>>> Once you have those completely mastered, turn to this free resource to
>> see how the authentication works:
>>>
>>> http://www.ine.com/resources/ntp-authentication.htm
>>>
>>> Once you go through these resources, be sure to post your follow-up
>> specific questions.
>>>
>>> Warmest Regards,
>>>
>>> Anthony J. Sequeira, CCIE #15626
>>> http://www.INE.com
>>>
>>> We Love Core Knowledge!
>>> Q: A topology change in OSPF will cause SPF calculations only within a
>> single...
>>> A: area
>>> More Info:
>> http://www.cisco.com/en/US/docs/internetworking/technology/handbook/OSPF.html#wp1020582
>>>
>>>
>>> On Apr 2, 2010, at 7:48 AM, ccie_ka_at_gmx.de wrote:
>>>
>>>> Hi GS,
>>>>
>>>> I'm currently configuring ntp.
>>>> Now I'm confused about the possibility to configure two routers if you
>> should authenticate each other. Because one of them are the ntp server and
>> the other router should normally the client.
>>>>
>>>> If I configure one as the server and the other as the client, there is
>> no bi-directional authentication as the output from "show ntp asso det"
>> shows !
>>>>
>>>> But if I configure with the peer command both routers are authenticate
>> each other !!
>>>>
>>>> Please can anyone tell is this the only one solution for a task like
>> this ?
>>>>
>>>> And if I configure with the peer command the router doesn't act as an
>> authoritative time server ??!!
>>>>
>>>> Dennis
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>
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Received on Fri Apr 02 2010 - 14:14:57 ART