20.10.2012 20:06, Nikolay Nevzorov wrote:
>> Synopsis: [alc] alc network driver + tso + vlan does not work.
It seems you use libalias-based NAT, don't you?
man ipfw says in the BUGS section:
Due to the architecture of libalias(3), ipfw nat is not compatible with
the TCP segmentation offloading (TSO). Thus, to reliably nat your net-
work traffic, please disable TSO on your NICs using ifconfig(8).
Eugene Grosbein
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