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Download at Router 80MB, max 30MB at clients

Paul Digby

A few months ago, this connection was achieving 50-60MB download speed to clients. No major changes, other than new versions of SFOS, which is currently on v17.5

As a test, I disabled all DOS settings, gave one machine high Priority in Traffic Shaping, turned off all in Web and Malware scanning, no intrusion prevention, web policy or application control, disabled Advanced Treat Detection. Made the situation worse and only saw 10MB using an Internet Speed Test.

Am at a loss, no idea what to check next. I understand that the firewall will reduce speed because of all that it does, but surely not this dramatic?

I have seen people raising similar questions before, but none seem helpful to me. Any suggestions would be welcome.


Paul



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  • 0

    Hi Paul,

    a couple of things to check

    1/. the MTU setting hasn't changed during the upgrade

    2/. that the WAN interface is set to auto-negotiate. Maybe a faulty or not fully homes connector?

    Ian

  • 0 in reply to rfcat_vk

    Should have mentioned that the Firewall has a Draytek in front of it, that makes the internet connection. The Draytek then simply forwards all traffic to firewall and Firewall in turn forwards on to Draytek

    1 - Did not set MTU original so do not knw if relevant but is currently 1500

    2 - WAN interface is on Auto Negotiate and does show connected at 1000MB

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  • 0 in reply to rfcat_vk

    Should have mentioned that the Firewall has a Draytek in front of it, that makes the internet connection. The Draytek then simply forwards all traffic to firewall and Firewall in turn forwards on to Draytek

    1 - Did not set MTU original so do not knw if relevant but is currently 1500

    2 - WAN interface is on Auto Negotiate and does show connected at 1000MB

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