Friday, December 22, 2017

to span or not to span - STP on Cisco3750 router

Hi all,

I'll get straight to the point: I have a moderately sized network with 2 stacked 3750s playing the role of router on a stick. Below that I have larger HP (xl,zl,yl) procurve switches, then at the edge, more HP procurve switches.

The HP Switch closest to the 3750 (which is doing all the routing) is currently the physical and STP root switch.

The 3750 is the default gateway for about 40 vlans.

Is there any need for STP on the cisco? It's not really working as a switch (as I see it). Can't I just disable it?

TIA. nx.



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