Re: OSPF Authentication Methods - (3)

Of course, if you were building a fully redundant glass system, you
would add another glass.

Jason Boyers - CCIE #26024 (Wireless)
Technical Instructor - IPexpert
jboyers_at_ipexpert.com

On May 21, 2011, at 3:33 PM, Scott Morris <swm_at_emanon.com> wrote:

> And when you reach 80% full, you simply get a bigger glass. ;)
>
>
>
>
> *Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,
>
> CCDE #2009::D, JNCIE-M #153, JNCIE-ER #102, CISSP, et al.
>
> CCSI #21903, JNCI-M, JNCI-ER
>
> swm_at_emanon.com
>
>
> Knowledge is power.
>
> Power corrupts.
>
> Study hard and be Eeeeviiiil......
>
>
> On 5/20/11 3:05 PM, Max Pierson wrote:
>> My job title has always been engineer, so my thinking is the glass is twice
>> the size it needs to be :)
>>
>> On Fri, May 20, 2011 at 2:00 PM, Ronnie Angello <ronnie.angello_at_gmail.com>wrote:
>>
>>> Is the glass half empty or half full?
>>>
>>> On Fri, May 20, 2011 at 2:45 PM, Marko Milivojevic <markom_at_ipexpert.com
>>>> wrote:
>>>> It's a perfectly valid point and I stated that in my first sentence.
>>>> It depends on the point of view. For me "no authentication" means that
>>>> "no information pertaining to the presence or absence of
>>>> authentication is present". In OSPF, when using NULL authentication,
>>>> information that this authentication type is used is present, hence my
>>>> agreement with 3 methods.
>>>>
>>>> In large scheme of things, it's not really that relevant is
>>>> authentication type 0 an authentication or not, as long as we know
>>>> it's there.
>>>>
>>>> --
>>>> Marko Milivojevic - CCIE #18427
>>>> Senior Technical Instructor - IPexpert
>>>>
>>>> FREE CCIE training: http://bit.ly/vLecture
>>>>
>>>> Mailto: markom_at_ipexpert.com
>>>> Telephone: +1.810.326.1444
>>>> Web: http://www.ipexpert.com/
>>>>
>>>> On Fri, May 20, 2011 at 11:40, Narbik Kocharians <narbikk_at_gmail.com>
>>>> wrote:
>>>>> I always saw it as a two step process as well, you enable
>>> authentication
>>>> and
>>>>> then, apply. When you enable authentication it needs to be enabled on
>>>> both
>>>>> ends of the link. So i guess we are saying the same thing.
>>>>>
>>>>> But i still have problems with OSPF having three authentication
>>> methods.
>>>>> Especially when they say type "0" is one type of authentication and
>>> when
>>>> you
>>>>> look it up, it states that "0" means NO Authentication.
>>>>>
>>>>> But i see everyones point here.
>>>>>
>>>>> On Fri, May 20, 2011 at 11:07 AM, Marko Milivojevic <
>>> markom_at_ipexpert.com
>>>>> wrote:
>>>>>> On Fri, May 20, 2011 at 10:50, Narbik Kocharians <narbikk_at_gmail.com>
>>>>>> wrote:
>>>>>>> So OSPF can not work without authentication.
>>>>>> If you consider "null authentication" as "no authentication", then it
>>>>>> can. However, if you consider it as authentication, then no, it can't
>>>>>> :-).
>>>>>>
>>>>>> I always approached OSPF authentication as a two-stage authentication
>>>>>> - one stage is type-match, the other one is password match. From that
>>>>>> perspective, I would agree with the statement above that OSPF cannot
>>>>>> work without the authentication, as the first-stage is always present
>>>>>> in the packets.
>>>>>>
>>>>>> --
>>>>>> Marko Milivojevic - CCIE #18427
>>>>>> Senior Technical Instructor - IPexpert
>>>>>>
>>>>>> FREE CCIE training: http://bit.ly/vLecture
>>>>>>
>>>>>> Mailto: markom_at_ipexpert.com
>>>>>> Telephone: +1.810.326.1444
>>>>>> Web: http://www.ipexpert.com/
>>>>>
>>>>>
>>>>> --
>>>>> Narbik Kocharians
>>>>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>>>>> www.MicronicsTraining.com
>>>>> Sr. Technical Instructor
>>>>> Ask about our FREE Lab Voucher with our Boot Camps
>>>>> YES! We take Cisco Learning Credits!
>>>>> Training & Remote Racks available
>>>>
>>>> Blogs and organic groups at http://www.ccie.net
>>>>
>>>> _______________________________________________________________________
>>>> Subscription information may be found at:
>>>> http://www.groupstudy.com/list/CCIELab.html
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> Ronald Angello
>>> Senior Network Architect
>>> CCIE 17846
>>> CCDP, CCIP, CCNP
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/list/CCIELab.html
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Sun May 22 2011 - 13:09:00 ART