On 3/13/11 10:29 AM, Tom Eastep wrote: > If you find that outgoing traffic crawls along no matter how high you > set the bandwidth, then you can apply this workaround. Install the > 'ethtool' package, then in /etc/shorewall/init, add this command: > > ethtool -K ethX tso off gso off > > where ethX is the affected interface. > > This workaround turns off TCP segmentation offloading and Generic > segmentation offloading in the NIC. > > I'll be working on a better approach that will allow this offloading to > be re-enabled.
The better approach is to adjust the specified <minburst>. I suggest
starting with 10kb which works well for me. Here's what I have in my
tcinterfaces file:
#IFACE TYPE IN-BANDWIDTH OUT-BANDWIDTH
eth0 External 50mbit:200kb 5.0mbit:100kb:200ms:100mbit:10kb
-----
With this setting, I was able to re-enable TSO/GSO using:
ethtool -K eth0 tso on gso on
-Tom
--
Tom Eastep \ When I die, I want to go like my Grandfather who
Shoreline, \ died peacefully in his sleep. Not screaming like
Washington, USA \ all of the passengers in his car
http://shorewall.net \________________________________________________
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