IPFW SACK options

[Chuck Swiger]

On Mar 7, 2007, at 12:54 PM, Justin Robertson wrote:
[ ... ]
>   Due to the nature of the current performance disparity between  
> 6.x (I
> assume this is due to the work on making processes thread  
> friendly?) and
> 4.11 (still kicking arse) I'm sticking with the 4.11 branch - and  
> here comes
> my question. If someone is interested, could you work up an option  
> to allow
> removal of the sackOK (sack permitted negotiation) on SYN packets,  
> and then
> pass the SYN packet on with the tcpoption for sack stripped?

Perhaps trying:

   sysctl net.inet.tcp.sack.enable=0

...will do what you are looking for?

-- 
-Chuck