PERFORCE change 111248 for review
Paolo Pisati
piso at FreeBSD.org
Thu Dec 7 07:58:29 PST 2006
http://perforce.freebsd.org/chv.cgi?CH=111248
Change 111248 by piso at piso_newluxor on 2006/12/07 15:51:05
Document the incompatibility of ipfw/libalias with TSO.
Affected files ...
.. //depot/projects/soc2005/libalias/sbin/ipfw/ipfw.8#10 edit
Differences ...
==== //depot/projects/soc2005/libalias/sbin/ipfw/ipfw.8#10 (text+ko) ====
@@ -2624,3 +2624,10 @@
Rule syntax is subject to the command line environment and some patterns
may need to be escaped with the backslash character
or quoted appropriately.
+.Pp
+Due to the architecture of
+.Xr libalias 3 ,
+ipfw nat is not compatible with the tcp segmentation offloading
+(TSO). Thus, to reliably nat your network traffic, please disable TSO
+on your NICs using
+.Xr ifconfig 8 .
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