[Bug 154428] [xen] xn0 network interface and PF - Massive performance drop

[bugzilla-noreply]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=154428

Jonas Liepuonius  changed:

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 CC||thinker...@gmail.com

--- Comment #12 from Jonas Liepuonius  ---
Hello,

so I've encountered the same problem on FreeBSD 10.2 on XenServer 6.5.

Enabling pf basically shuts off my interfaces, pings go through but nothing
else.

I tried setting net.inet.tcp.tso=0 on boot in /etc/sysctl.conf and setting it
manually with sysctl but with no luck. ifconfig xn0 -tso -lro didn't help me
either.

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kern/154428: xn0 network interface and PF - Massive performance drop

[Jonas Liepuonius]

Hello,

facing the same problem with FreeBSD 10.2 on XenServer 6.5. Disabling PF
entirely fixes the problem, and the workarounds I found ( "ifconfig xn0
-lro -tso" and "sysctl net.inet.tcp.tso=0" ) don't help unfortunately.

-- 
Regards,
Jonas
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