Fortigate 40c - 2 MAC devices cannot transfer files / slow transfer rates

Hi guys,

We've implemented a new FG40c in one of our customer's premises.
The customer is using APPLE devices to transfer files over wifi.

For some reason, it seems that he cannot (or does it SLOWLY) transfer files between devices.

We've tried messing with the WIFI settings, including the policies.
What can we check furthermore?

Thanks
IT_Group1Asked:
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Garry GlendownConsulting and Network/Security SpecialistCommented:
We've had a similar problem with one customer's 2 40C's ... with a cable uplink (~32Mbit), everything was fine on the wired LAN,  but using WLAN resulted in transfer rates between 1 and 4 Mbit/s ... we tried adjusting some low-level settings in the config for WLAN, without any results or improvements. We involved Fortinet tech support, which also couldn't improve the throughput, though they confirmed there were no errors in the config.
Doing the same with a 30D resulted in decent rates, so we assume it's a general problem in the 40C's hardware (or OS).

... but maybe somebody else has an actual solution to this ...
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IT_Group1Author Commented:
Thanks Garry,
Any other inputs guys?
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Justin Pierce, CEH, CNDANASA Cybersecurity EngineerCommented:
Hi,

After looking at the documentation for the FG40c it supports a, b, g and n, so I would make sure that the WPA2 is being using used. Here is why: http://support.apple.com/kb/TS3361

Next, you might want to try an application like Netspot: https://itunes.apple.com/us/app/netspot-wifi-survey-wireless/id514951692?mt=12

to map out the coverage of the router. Netspot will give you a visual to help explain why they might want to move their Mac, or give an incentive to the Sys/Net Admin to move the router for proper coverage.

If the above doesn't help why not offer up a solution like Hightail: https://www.hightail.com
Even Dropbox can be a solution if money is an issue.

Hope this helps

MacGuy47
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Garry GlendownConsulting and Network/Security SpecialistCommented:
Maybe you can point out why moving files to the cloud would fix a speed problem on the local WLAN?

Anyway, at least at the customer site we had, WPA2 was being used, as well as additional tuning done on the command line that aren't available on the Web GUI, again, no improvement there ...

Anyway, the only other thing I can also think of (again, not the case at the site we supported) was if there are any 802.11b hosts connected, which could drag down perfomance for everybody ... disabling the b standard shouldn't hurt anybody nowadays ...
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IT_Group1Author Commented:
Guys,
Thank you for the effort!

I'm not sure any of the suggested ideas are actually applicable to the current situation.
Can you think of something else?
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IT_Group1Author Commented:
Thanks
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