[Winpcap-users] RARP Storm upon starting winpcap
michaeld3000 at yahoo.com
Thu Apr 17 06:44:57 GMT 2008
I am using Microsoft Windows Server 2003 with winpcap 4.0.2 on VMWare ESX 3. Everytime I start a capture (with Windump or Wireshark 1.0.0) winpcap sends a couple of RARP requests. It seems like my host is trying to resolve its own MAC-address. The amount of requests changes from time to time. Sometimes only 3 requests are generated, sometimes up to 500. Even if I stop capturing some RARP packets are sent over the network. The capturing host can't see its own RARP requests, all other host in the same subnet receive all packets. If two or more hosts within the local network use winpcap these requests block all other traffic. This even occurs with libpcap on linux if the linux host is in the same network.
All searches in the mailing list, google groups and google were to no avail.
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