[Bug 270188] emulators/virtualbox-ose: review package message direction to emulation@

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270188

--- Comment #3 from Vladimir Druzenko <vvd@FreeBSD.org> ---
About Troubleshooting on Wiki page.

Suggest to add just resolved problem on my new installation: very low network
bandwidth (~2.5Mbit/s on VM via iperf) with bridged network on igb (Intel I350
onboard IBM X3550 M4) or lagg with several igb nics.
Solution: disable RXCSUM (bw increased in ~300 times) and TXCSUM (+10% more for
bw).
In command line:
> ifconfig igb0 -rxcsum -txcsum
In rc.conf:
> ifconfig_igb0="inet IP netmask MASK -rxcsum -txcsum"
If use lagg in rc.conf:
> ifconfig_igb0="up -rxcsum -txcsum"
> ifconfig_igb1="up -rxcsum -txcsum"

P.S. Just a note not to lose the solution. And maybe it will help someone else.

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