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Poor Perfomance of WiFi: vWLC with Lightweight Access Point

turbomaxdr
turbomaxdr asked
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Last Modified: 2015-03-22
I am replacing three autonomous access point (Single band 2.4Ghz/802.11n) with a vWLC (latest image) running on ESXi 5.5 with 3 Lightweight Access Points (Aironet 1702i - 802.11ac).

The vWLC  and Lightweight Access Points are connected on the same Layer 3 gigabit Core Switch where the  autonomous access point are connected.

While transferring a big file from a laptop (WNIC: Intel Dual Band Wireless-AC 7260) to a file server with the old autonomous access point I get speeds of 7MBps, but with these new Lightweight Access Points I get up to 3MBps.

The results will not vary even with the the vWLC default settings or tweaked settings.

The Data Port (Trunk-Tagged Port), Service Port (Access Mode Port) and Lightweight Access Points (Access Mode Port) are on different VLANs/Subnets.

I also tested with a laptop with a 3x3 WNIC (802.11AC) and only got speeds of up to 19MBPs (after working hours).

Any thoughts of what is causing this poor performance?

Thank you
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