Re: UNI and NNI

From: Jay McMickle <jay.mcmickle_at_yahoo.com>
Date: Wed, 18 Jan 2012 21:21:19 -0600

Good points made by Gaurav and Steve.

Thanks for sharing.

Regards,
Jay McMickle- CCNP,CCSP,CCDP
Sent from my iPhone
http://mycciepursuit.wordpress.com

On Jan 18, 2012, at 9:18 PM, GAURAV MADAN <gauravmadan1177_at_gmail.com> wrote:

> Just to add to what Steve said ..... it is always a good idea to go through
> the doc of any ME switch to understand how defaults work from this Metro E
> switch ..
>
> I am saying so because the behavior is very diff from a standard CAT based
> switch ..
>
> For example you will have 2 ports in same vlan not talking to each other
> ..... finally you will discover that that's how a UNI port is supposed to
> behave ..
>
> So from a certification point of view ; I believe that this concept should
> have been played with before seeing surprises in actual lab :))
>
> Thnx
> Gaurav Madan
>
> On Thu, Jan 19, 2012 at 12:38 AM, Steve Di Bias <sdibias_at_gmail.com> wrote:
>
>> *Q.* What is UNI/NNI?
>> *A.* UNI/NNI is the classification of port types designed for the Metro
>> Ethernet market. UNI, User Network Interface, is the interface that faces
>> the subscriber, and NNI, Network Node Interface, is the interface that
>> faces the service provider network. By labeling each port as UNI or NNI,
>> the software can optimize each port for its role. Table 2 lists some
>> default behaviors for each port type and the benefits.
>>
>>
>> http://www.cisco.com/en/US/prod/collateral/switches/ps6568/ps6581/prod_qas0900aecd8035cfbc.html
>>
>>
>> On Wed, Jan 18, 2012 at 10:34 AM, Routing Freak <routingfreak_at_gmail.com
>>> wrote:
>>
>>> Hi fellas,
>>>
>>> Wat is the difference between NNI port and UNI port in Metro Ethernet ?
>>>
>>>
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>>
>> --
>> Thank you,
>>
>> Steve Di Bias
>> CCIE #32840
>>
>>
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Received on Wed Jan 18 2012 - 21:21:19 ART

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