We have 4 vlans on our network, and a 3400 controller, so 4 ports total. Is it better as far as performance is concerned to trunk all 4 vlans to one port, or to put each vlan on its own port? I assume each to its own port would help remove a bottleneck, but i'm wrong quite often!
Measure the utilization on that port and you would be suprised at the answer.
I'd recommend both assuming your switches are of a good new and solid type. Assuming your switches support it, create a port-channel, aggregate all four ports together and trunk/vlan-tag the connection as a whole. Best of both plus resilient to port failure!
Switch should support just about anything, its a HP procurve 5406_zl. Does the aruba 3400 controller support link aggregation? Didn't see any options for it.
Yes. Please search the user guide for link aggregation.
See the Appendix in campus VRD availabel at www.arubanteworks.com/vrd
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