Disable multiqueue

Dmitry Sarkisov ait.mlist at gmail.com
Fri Aug 22 17:59:32 UTC 2014

On 22-08-2014, Fri [18:58:09], Radek Krejča wrote:
> Hello,
> how can I disable multiqueue on NICs? I have problem, that after change of broken hardware interrupts connection of clients. I have 2 NICs igb and nat over pf. Client starts download and for some while connections interrupts and start again.
> Hardware is the same, but there is new NIC on board which supports multiqueue so I think that this must be the problem.
> Thank you
> Radek
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A couple of things I'd check:

- possibility of broken cable/card;
- tcpdump/wireshark to tell what's going on exactly with your sessions. In case of TCP RST - Which side disrupts the connection.



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