Re: [WinPcap-users] Pcap file format

2004-11-29 Thread Guy Harris
Zemer Margolin wrote: I am currently working on a converter that converts captured packets from one format to another. One way to do that might be to contribute to Ethereal: http://www.ethereal.com/ code to read the format from which you're converting - Ethereal has a limited ability to

[WinPcap-users] Criritcal issue: NIC stealing all ARP requests.

2004-11-29 Thread Matthew Tagg
We have a machine in our datacenter that started stealing ARP's request once we installed WinpCap and Traffic Statistic (http://www.trafficstatistic.com). Marcel Bartels the authorassures me it not related to his application thus I'm wondering if any othe WinPCap users have heard of this.

RE: [WinPcap-users] Criritcal issue: NIC stealing all ARP requests.

2004-11-29 Thread Loris Degioanni
Matthew, WinPcap by itself is not able at all to answer to ARP requests: winpcap is a packet library that receives and sends raw traffic. An application that uses WinPcap could answer to ARP requests, by I think this is not your case, because it looks that the problems persists even if you

RE: [WinPcap-users] capturing on several network devices in one thread

2004-11-29 Thread Loris Degioanni
Alex, Hello, I am building the application that must capture high volume of packets on several network devices with intensive variable load. On LINUX I can use pcap_get_selectable_fd and then use select to work with several devices in one thread. On Windows I have to run a

Re: [WinPcap-users] Criritcal issue: NIC stealing all ARP requests.

2004-11-29 Thread Matthew Tagg
Hi Loris, Thanks or your help, much appreciated. The wierd thing is the problem occured within 10 minutes of installing WinPCap and trafficstatstic, with no other configuration changes on the machine. Is it not possible that there is some undocumented windows registry setting that could have

Re: [WinPcap-users] Criritcal issue: NIC stealing all ARP requests.

2004-11-29 Thread Rob Henningsgard
Pardon me for jumping in, but if you're trying to keep traffic statistics while connected to a switch port (as opposed to a hub), how does your traffic statistic program convince the switch to forward all of the network's packets to its port? I am far from expert in this area, but it seems to me

RE: [WinPcap-users] Pcap file format

2004-11-29 Thread Fulvio Risso
-Original Message- From: Zemer Margolin [mailto:[EMAIL PROTECTED] Sent: luned 29 novembre 2004 13.06 To: [EMAIL PROTECTED] Subject: RE: [WinPcap-users] Pcap file format Gui, Thanks for your help and quick response. I believe the information at

Re: [WinPcap-users] Criritcal issue: NIC stealing all ARP requests.

2004-11-29 Thread KanjiSoft Systems
Matthew, Switcheskeep track of which mac addresses are on which port for that switch, i.e. you havea table on the switch of mac address/port. It's possible that thereare two entries in the switch table for the samemac address but different port. This could happen if you switched a mac