TCP Reassembly Issues [SOLVED?]
kristoph.bauer at gmail.com
Sat Nov 26 12:06:55 UTC 2011
On Sat, Nov 26, 2011 at 5:30 AM, Raul <raul at b2n.org> wrote:
> El 26/11/2011 6:23, Lawrence Stewart escribió:
>> kernel to test a patch please try the following and report back to the
>> The patch is against head r227986 but will apply and work correctly for
>> 9.0 as well.
> Cleanly applied against RELENG_9_0.
> As my case was not exactly the same as Kris or Stefan I'd wait their
> feedback but as far I concern, *it works perfect!*.
> %sysctl kern.version | head -n1
> kern.version: FreeBSD 9.0-RC2 #1: Sat Nov 26 10:24:38 CET 2011
> 12:06PM up 1:30, 3 users, load averages: 0,07 0,08 0,10
> %vmstat -z | head -n1 ; vmstat -z | grep reass
> ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP
> tcpreass: 40, 1680, 58, 1370, 276624, 0, 0
> %sysctl net.inet.tcp.reass
> net.inet.tcp.reass.overflows: 5
> net.inet.tcp.reass.cursegments: 17
> net.inet.tcp.reass.maxsegments: 1680
> %netstat -s -p tcp | grep mem
> 5 discarded due to memory problems
> I'll leave the box stressing the tcp stack a couple of days, just in case.
> Thanks a lot.
After 5 hours and a few gigs of traffuc, things have been fine:
# sysctl net.inet.tcp.reass
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