Hi Gianluca,
thanks for your reply.
No, they are sent by a standard WinSock-based application.
If it matters, we could move to a WinPCap-based sender...
Best regards,
Alberto.
On 01/09/2010 17:46, Gianluca Varenni wrote:
Is the packet sent by another WinPcap-based application?
Have a nice day
GV
*From:* Alberto Avanzi <mailto:[email protected]>
*Sent:* Wednesday, September 01, 2010 2:55 AM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [Winpcap-users] Multicast packets with TTL=0 reception
problem under Windows Seven
Just to confirm that it doesn't come from our (receiving) code (from
our sending code maybe ?):
even the WinPCap 4.1.2 "UDPDump" provided example fails to retrieve
these packets.
A.
On 01/09/2010 11:09, Alberto Avanzi wrote:
Hi,
our multicast-receiving application is based, since some years, on
WinPCap.
We use it under Windows XP and Windows Server 2003, and it works well
for receiving multicast
packets independently from their TTL (0, 1 or 2) (with WinPCap 4.0.2).
The same application running on Seven (with WinPCap 4.1.2) is unable
to receive packets with TTL = 0
(sent by another application on the same machine). It is clearly a
reception problem, because if we use
standard socket code for receiving packets, we get them.
If we set the TTL=1, we receive the packets.
Any idea ?
Should we modify something in our code in order to get them again ?
Thanks a lot,
Alberto.
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