[j-nsp] qfabric 1536k mac address?

Ben Dale bdale at comlinx.com.au
Thu Jan 2 03:39:51 EST 2014


At a guess I'd say it's because in Q-Fabric, the "MAC-learning" is performed by a similar to a VPLS instance per VLAN rather than traditional per-switch CAM tables.  

I imagine this allows for better scalability/optimisation.

The switch CAM would then only need to worry about L2-adjacent QF nodes and adjacent hosts.

On 2 Jan 2014, at 5:28 pm, giovanni rana <superburriccu at hotmail.com> wrote:

> Hi, during the evaluation of a new data center architecture, how can qfabric support so many Mac addresses? The qfx3500 node supports only 128k Mac tables, how can they get 1536k as declared in the data sheet? Is it because of an optimized use of mac-vlan pairs? 
> Thanks for any answer and happy 2014! 
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