Re: Nexus network Design - Switching LOOP

I think 5.1 has fabric path support. I know it's on the roadmap for the 5k's.

Sent from handheld

On Mar 13, 2012, at 9:19 AM, "Radioactive Frog" <pbhatkoti_at_gmail.com> wrote:

> Totally agreed - no need of STP.
> VPC is thw way to go
> Have not touched Nexus for the last 9 months - is TRILL supported on the
> latest codes yet?
> on edge where you have 2k connected to 3750 - put that port in edge mode.
>
> On Tue, Mar 13, 2012 at 11:55 PM, Carlos G Mendioroz <tron_at_huapi.ba.ar>wrote:
>
>> Yes, so what ?
>> As I said, STP is a bad word. You don't have to have STP in your design!
>> -Carlos
>>
>> jack daniels @ 13/03/2012 09:49 -0300 dixit:
>>
>> Hi Carlos,
>>>
>>> There is 2K in between which doesn't support STP.
>>>
>>> Regards
>>>
>>>
>>> On Tue, Mar 13, 2012 at 5:45 PM, Carlos G Mendioroz<tron_at_huapi.ba.ar>
>>> wrote:
>>>
>>>> STP is a bad word in Nexus :)
>>>> So you should take a look at VPC!
>>>>
>>>> Short story: make the two N5Ks behave as one entity to the 3750,
>>>> and make a LAG (etherchannel) between them.
>>>>
>>>> -Carlos
>>>>
>>>> http://www.cisco.com/en/US/**prod/collateral/switches/**
>>>> ps9441/ps9670/configuration_**guide_c07-543563.html<http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/configuration_guide_c07-543563.html>
>>>>
>>>> jack daniels @ 13/03/2012 08:53 -0300 dixit:
>>>>
>>>>>
>>>>> Hi Guys,
>>>>>
>>>>> I have a scenario for which I'm scratching my head since long - please
>>>>> help
>>>>>
>>>>>
>>>>> Nexus 5K-1---------Nexus5K-2
>>>>> | |
>>>>> | |
>>>>> Nexus2K-1 Nexus2K-2
>>>>> | | Port eth 1/1
>>>>> | |
>>>>> Cisco 3750-----------------------
>>>>>
>>>>>
>>>>> In this scenario Switching LOOP is getting formed. Only way I'm able
>>>>> to get rid is shutdown Port eth1/1 on Nexus2K-2. Please help in this
>>>>> case.
>>>>>
>>>>> Thanks in anticipation in adavance.
>>>>>
>>>>> Regards
>>>>> Jack
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>> --
>>>> Carlos G Mendioroz<tron_at_huapi.ba.ar> LW7 EQI Argentina
>>>>
>>>
>> --
>> Carlos G Mendioroz <tron_at_huapi.ba.ar> LW7 EQI Argentina
>>
>>
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Received on Tue Mar 13 2012 - 13:52:35 ART