Nexus emulation? Anyone?

-Hammer- bhmccie at gmail.com
Tue Dec 20 12:18:47 CST 2011


Doesn't "Titanium" achieve this for you? I know. It's Internal. But it 
simulates the 7k. Or am I getting it backwards?

My point is that if Cisco already simulates it Internally it's only a 
matter of time before someone ports something....

-Hammer-

"I was a normal American nerd"
-Jack Herer



On 12/20/2011 12:19 PM, David Sinn wrote:
> I don't think anyone is asking for a full simulation of the platform in software, that is how the actual ASIC's operate.  That is probably best for an entirely different conversation.
>
> But there is huge need to simulate the control-plane functionally with a basic forwarding ability (not performant, but pass packets correctly such that you can verify the topology).  This is something Dyanmips does great in emulating a cluster of 7200's and allows operators to validate topologies and planned changes in mainstream IOS platforms.  Having that for NX-OS would increase the adoption and confidence in the platform.  VM's on multiple boxes make simulating a whole network of a given platform simple and easy.
>
>  From the outside Cisco continues to miss the need for this.  At least some of the other vendors are picking up how helpful this and are reacting positively to it.
>
> David
>
> <I've been ranting about this to my account team and Nexus management for a while now, so sorry if this is a duplicate you've already seen.>
>
> On Dec 20, 2011, at 10:03 AM, Tim Stevenson wrote:
>
>    
>> You couldn't use Titanium to judge/discuss the nexus family as a whole either. Aside from 1KV, all the nexus products use ASIC hardware specific to that platform/linecard and no NXOS software emulator exists that mimics those behaviors.
>>
>> 2 cents,
>> Tim
>>
>> At 09:34 AM 12/20/2011, Luan Nguyen gushed:
>>
>>      
>>> You can't use the software switch Nexus 1000V to judge/discuss the Nexus
>>> family products N7K, N5K...etc as a whole?
>>>
>>> Check out this discussion
>>> <https://supportforums.cisco.com/thread/2054884>https://supportforums.cisco.com/thread/2054884
>>>
>>> Titanium as they call the NX-OS simulator is not available to the public
>>> though...
>>>
>>> -Luan
>>>
>>> On Tue, Dec 20, 2011 at 12:08 PM, -Hammer-<bhmccie at gmail.com>  wrote:
>>>
>>>        
>>>> Bah. Look like I need more of an education on Nexus in general. Thanks for
>>>> the easy pointer.
>>>>
>>>>
>>>> -Hammer-
>>>>
>>>> "I was a normal American nerd"
>>>> -Jack Herer
>>>>
>>>>
>>>>
>>>> On 12/20/2011 11:02 AM, Nick Hilliard wrote:
>>>>
>>>>          
>>>>> On 20/12/2011 13:55, -Hammer- wrote:
>>>>>
>>>>>
>>>>>            
>>>>>> I know we can't throw NX code on Dynamips but I figured I would ask the
>>>>>> group anyway. We are starting to discuss Nexus platform options and I can
>>>>>> only get so much from demo depot before our AM gets whiny. Is anyone
>>>>>> currently emulating Nexus on anything that is open to the public?
>>>>>>
>>>>>>
>>>>>>              
>>>>> nexus1k?
>>>>>
>>>>> Nick
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>            
>>>>          
>>
>>
>>
>> Tim Stevenson, tstevens at cisco.com
>> Routing&  Switching CCIE #5561
>> Distinguished Technical Marketing Engineer, Cisco Nexus 7000
>> Cisco - http://www.cisco.com
>> IP Phone: 408-526-6759
>> ********************************************************
>> The contents of this message may be *Cisco Confidential*
>> and are intended for the specified recipients only.
>>
>>
>>      
>
>    


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