[c-nsp] Dell VLT to Cisco VSS

Nick Cutting ncutting at edgetg.co.uk
Mon Jan 18 05:10:28 EST 2016

I am familiar with the theory

I was wondering If anyone had actually done this, and if there are any real world caveats.

I will be testing this week, however the kit is in Hong Kong, so it's a bit "remote handsy"

-----Original Message-----
From: Paul [mailto:paul at gtcomm.net] 
Sent: 18 January 2016 09:38
To: Nick Cutting; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Dell VLT to Cisco VSS

VSS is single control plane so it's all one big chassis, the dell switch would have no idea it isn't connected to a single 6500 and should work without issues.
VPC is dual control planes using mLAG which is still transparent to the LAG partner as long as the control protocol is standard (802.1ax w/ LACP for
example)  there *should* be no issues.
stritcly talking about link aggregation here, whatever else you might be running is another story as with everything... test it first :)

On 1/18/2016 3:12 AM, Nick Cutting wrote:
> I'm told Dell VLT is very similar to Nexus VPC.
> I plan to connect 2 Dell S4820T switches to a VSS'ed 6500 (QSFP+ 
> breakout cables) It would be similar to 2 nexus5/7k's connected to a VSS pair.
> Or am I a mad man, dancing with inter-vendor prop tech - and would be better off with a normal LACP port channel to one 6500, for each switch?
> Does anyone have an field experience doing this?
> Thanks,
> Nick
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