full socket buffers

Mirek Lauš mirek at admino.cz
Sun Feb 6 10:01:30 UTC 2011


On Sun, Feb 6, 2011 at 9:14 AM, Alex Bligh <alex at alex.org.uk> wrote:
>
>
> --On 6 February 2011 07:50:23 +0100 Mirek Lauš <mirek at admino.cz> wrote:
>
>>>> to drop UDP packets due to "full socket buffers". Only solution to
>
> ...
>>>
>>> This is an operating system setting. Try google for your OS and something
>>> like "set udp buffer size".
>
> ...
>>
>> This was of course the first thing we did before upgrading the RAID
>> controller:
>>
>> [root at dhcp1 ~]# sysctl kern.ipc.maxsockbuf
>> kern.ipc.maxsockbuf: 8388608
>
> That looks like the IPC knob, not the UDP knob. I think the UDP knob
> is
>  net.inet.udp.recvspace
>

This is our setting:

kern.ipc.maxsockbuf=8388608
net.inet.tcp.sendspace=1048576
net.inet.tcp.recvspace=1048576
net.inet.udp.recvspace=1048576

-ml



More information about the dhcp-users mailing list