[Winpcap-users] packet lost and OID_GEN_RCV_NO_BUFFER is not zero?

[Gisle Vanem]

<jli at altobeam.com> wrote:

> As a query, the OID_GEN_RCV_NO_BUFFER OID specifies the number of frames that the NIC cannot receive due to lack of NIC receive
> buffer space. Some NICs do not provide the exact number of missed frames; they provide only the number of times at least one frame
> is missed.
>
> Is that means my NIC hardware buffer is too small?
> Can i improve reading speed by recompiling npf.sys to fix this problem?

Have you tried calling  PacketSetBuff()?