Re: OSPF Authentication Methods - (3)

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
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>>>
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>>>
>>
>> --
>> Ronald Angello
>> Senior Network Architect
>> CCIE 17846
>> CCDP, CCIP, CCNP
>>
>>
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Received on Sat May 21 2011 - 15:32:24 ART