[c-nsp] Nexus network Design - Switching LOOP

[Bill Wade]

The Nexus 2248 ports (not the uplink/fabric interfaces)  are designed to connect hosts not switches.

If you need Cisco's support down the road I think you'd be told that this is not a supported topology/configuration.

Bill 


________________________________
 From: jack daniels <jckdaniels12 at gmail.com>
To: Chris Evans <chrisccnpspam2 at gmail.com> 
Cc: "cisco-nsp at puck.nether.net" <cisco-nsp at puck.nether.net> 
Sent: Tuesday, March 13, 2012 9:58 AM
Subject: Re: [c-nsp] Nexus network Design - Switching LOOP
 
Hi Chris,

I appriciate your suggestion , for Flex links this can surely help.

Hi All,

Request your suggestion support on this.


Regards


On Tue, Mar 13, 2012 at 7:21 PM, Chris Evans <chrisccnpspam2 at gmail.com> wrote:
> Switch the 3750 to use flex links. That way you can have redundancy without
> causing a loop.
>
> On Mar 13, 2012 9:50 AM, "Ryan West" <rwest at zyedge.com> wrote:
>>
>> N2k's do not run spanning-tree and will block ports if a bpdu is detected.
>> You can disable spanning tree on those ports, but your 3750 will be flat at
>> that point.
>>
>> Sent from handheld
>>
>> On Mar 13, 2012, at 8:57 AM, "Nick Hilliard" <nick at foobar.org> wrote:
>>
>> > On 13/03/2012 11:56, jack daniels wrote:
>> >> 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.
>> >
>> > are the 3750 and both the n5k boxes running spanning tree?
>> >
>> > Nick
>> >
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