[Bug 228334] lte 4g network problems

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228334

            Bug ID: 228334
           Summary: lte 4g network problems
           Product: Base System
           Version: 11.1-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs at FreeBSD.org
          Reporter: shitman71 at hotmail.com

I am using the ipfw firewall and recognised after a while of testing that
freebsd is having connection problems with lte. Something is wrong the freebsd
interacts with my lte-router. The packets it sends or something like this are
wrong.

If i remove the "keep-state" command from my ipfw-firewall settings then i dont
get any connection to the internet anymore. If i use the keep-state command
within all my firewall-settings then the internet works almost flawlessly for
browsing.

I only get connection-problems using wine with steam on freebsd, readjusting
the mtu via ifconfig influences the stability of the connection. Sometimes it
takes very long to log in on steam and steam always crashes after a few
minutes. Setting cpu-frequency also affects stability of wine with steam.

This seems connected together, the keep-state command removes load from cpu if
i remember right.

So whats wrong with this? With my previous internet-provider i didn't had any
of such problems, changing to 4g lte caused me several problems. Signal-quality
is almost on top.

Freebsd is somehow sending packets too slow or something, i don't know.

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