I thought i would share my real world experience with enabling RTS/CTS and tweaking hardware retries.
We have a mix of about 500 Mikrotik CPE and 50 or so base stations all running between 2.9.51 and 3.10 +
Some of our sites have 30 + customers coming off one radio, and we would see average latency (idle) of about 20/30ms. We offer plans that start at 3mbit/sec so the need for throughput is quite high.
I recently read on the forums that RTS/CTS would improve things quite drastically, but only if you install it on the AP + client - so, i set about installing it on both. Below are some smoke ping graphs from 3 seperate customer sites to give you an idea of the difference - its impressive!
Throughput is definately improved as well - site 2 can acheive 9.7mbit/sec download and 9mbit/sec upload on the same sector as 31 other customers - and this is in a 10mhz channel.
I have noticed that if you install 3.30 + Wireless beta on an AP with a mix of 3x and 2.9x clients you get an improvement, but problems quickly ensue - the full potential only appears to be reached when you have both clients & the AP upgraded to have 3.30 + Wireless beta.
Final note - my experience is that setting hw-retries to 8 appears to be the optimal value - atleast in not crazily noisey enviroments.
Edit: Forgot to add that nstream is enabled - framer policy = best fit, 3200
This update is totally worth the time and effort involved if you can.
Just my two cents worth, and thank you Mikrotik
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