[Winpcap-users] Winpcap stops forwarding packets

食肉大灰兔V5 hsluoyz at gmail.com
Thu Jul 21 14:27:27 UTC 2016

Hi Lasse,

Please try Npcap (https://github.com/nmap/npcap/releases). Npcap is a fork
of WinPcap and has better performance on Win7 and later systems. So maybe
it can solve your problem:)


On Tue, Jul 19, 2016 at 12:17 AM, Lasse Thorbro-Steenberg <
lthorbrosteenberg at gmail.com> wrote:

> Hello,
> I have been using winpcap successfully on a windows server 2008 R2 for a
> number of years now.
> The application runs 24/7 and captures from a 200 mbit/s data flow.
> I have found that after a few weeks of running, the library stops
> forwarding packets.
> If I start a wireshark session on the same server it also shows no packets
> from the interface.
> Only if I stop my server application and reset (disable/enable) the
> specific NIC port, is it possible to restore operations.
> It is possible this is a HP 331 4 port NIC card issue, but I wanted to
> start here and see if anyone else has had this issue.
> My concern is that as the data rate increases on the interface, this might
> start happening more often.
> Thanks,
> Lasse
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> Winpcap-users at winpcap.org
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