From: <Mar...@la...> - 2013-08-14 19:28:06
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First packet has source MAC address of sender, second - source MAC address of "Local Area Connection 2". Sender is another host on LAN that is on "Local Area Connection 2" network adapter. "Local Area Connection 2" is a physical Ethernet adapter connection. -----Original Message----- From: yin sun [mailto:sun...@gm...] Sent: Wednesday, August 14, 2013 9:07 PM To: Pukitis Martins (LQLA RD) Cc: col...@li... Subject: Re: [coLinux-users] winpcap bridge with coLinux duplicates packages these two are not duplicate packets, they have different src MAC and TTL is decremented. to me, looks like the host bridge is playing tricks to prevent something. Can you associate each src MAC to the virtual device. On Wed, Aug 14, 2013 at 12:46 AM, <Mar...@la...> wrote: > I run sniffer (wireshark) on the PC. The duplicated packets are also received by an application in coLinux. > Both packets (separated by protocol for simplicity): > 1st: > Ethernet (dst MAC, src MAC and type): 000a5e63ab15 000319001589 0800 > IP: 4500002400000000ff113780c0a8017ec0a8017a > UDP header: 177217720010038c > UDP data: 0900400400000011 > Ethernet (trailer): 00000000000000000000 > > 2nd: > Ethernet (dst MAC, src MAC and type): 000a5e63ab15 000a5e63ab14 0800 > IP: 4500002400000000fe113880c0a8017ec0a8017a > UDP header: 177217720010038c > UDP data: 0900400400000011 > > -----Original Message----- > From: yin sun [mailto:sun...@gm...] > Sent: Tuesday, August 13, 2013 6:51 PM > To: Pukitis Martins (LQLA RD) > Cc: col...@li... > Subject: Re: [coLinux-users] winpcap bridge with coLinux duplicates > packages > > where do you run the packet sniffer. can you paste the exact duplicated packet's headers. > > > On Tue, Aug 13, 2013 at 5:15 AM, <Mar...@la...> wrote: >> I've set up a bridge to access LAN from coLinux, like described in >> >> http://colinux.wikia.com/wiki/Network#WinPcap >> >> >> >> by adding this line to the coLinux configuration file: >> >> eth2=pcap-bridge,"Local Area Connection 2",00:0A:5E:63:AB:15 >> >> >> >> Now every packet from LAN to coLinux is duplicated. First packet has >> source MAC address of sender, second - source MAC address of "Local >> Area Connection 2". Packets from coLinux to LAN are not duplicated. How to fix it? >> >> >> >> >> --------------------------------------------------------------------- >> - >> -------- Get 100% visibility into Java/.NET code with AppDynamics >> Lite! >> It's a free troubleshooting tool designed for production. >> Get down to code-level detail for bottlenecks, with <2% overhead. >> Download for free and get started troubleshooting in minutes. >> http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg. >> c lktrk _______________________________________________ >> coLinux-users mailing list >> coL...@li... >> https://lists.sourceforge.net/lists/listinfo/colinux-users >> |