Problem receiving UDP broadcast packets.

[Dan Stromberg]

On Wed, Apr 20, 2011 at 7:21 AM, Grant Edwards <invalid at invalid.invalid> wrote:
> On 2011-04-20, Dan Stromberg <drsalists at gmail.com> wrote:
>> On Tue, Apr 19, 2011 at 8:12 PM, Dan Stromberg <drsalists at gmail.com> wrote:
>>> I agree though that you're kind of pushing IP in a direction it wasn't
>>> intended to go.
>>
>> It just occurred to me: You might get some additional mileage out of
>> popping the network adapter into promiscuous mode.  In fact, it Might
>> be necessary irrespective of the rest of your approach.
>
> The network adapter is already receiving all the packets I want to
> receive, so putting it into promiscuous mode would only increase the
> number of unwanted packets.

I think tcpdump and tshark (was tethereal) will put the interface into
promiscuous mode so it can see more traffic; on OSF/1 (Tru64), we had
to do this manually for said programs to see all that was possible
(barring the presence of a switch not repeating packets the way
routers and hubs would).