Wireshark-users: [Wireshark-users] strange ping behavior

Date: Thu, 8 Apr 2010 15:26:28 +0200
No. Time Source Destination Protocol Info 1 0.000000 192.168.10.3 192.168.10.13 ICMP Echo (ping) request

Frame 1 (74 bytes on wire, 74 bytes captured)
Ethernet II, Src: a4:ba:db:0e:d2:54 (a4:ba:db:0e:d2:54), Dst: 00:90:c2:c0:f8:fa (00:90:c2:c0:f8:fa) Internet Protocol, Src: 192.168.10.3 (192.168.10.3), Dst: 192.168.10.13 (192.168.10.13)
Internet Control Message Protocol
No. Time Source Destination Protocol Info 2 0.000093 192.168.10.3 192.168.10.13 ICMP Echo (ping) request
Hello

I'm running  wireshark 1.2.6 on a windows2003 server

When I ping another box in my office with ping -n 1 192.168.10.13 instead of having one packet, I have everything in double as you can see below:
Any idea  ?


Frame 2 (74 bytes on wire, 74 bytes captured)
Ethernet II, Src: a4:ba:db:0e:d2:54 (a4:ba:db:0e:d2:54), Dst: 00:90:c2:c0:f8:fa (00:90:c2:c0:f8:fa) Internet Protocol, Src: 192.168.10.3 (192.168.10.3), Dst: 192.168.10.13 (192.168.10.13)
Internet Control Message Protocol
No. Time Source Destination Protocol Info 3 0.001232 192.168.10.13 192.168.10.3 ICMP Echo (ping) reply

Frame 3 (74 bytes on wire, 74 bytes captured)
Ethernet II, Src: 00:90:c2:c0:f8:fa (00:90:c2:c0:f8:fa), Dst: a4:ba:db:0e:d2:54 (a4:ba:db:0e:d2:54) Internet Protocol, Src: 192.168.10.13 (192.168.10.13), Dst: 192.168.10.3 (192.168.10.3)
Internet Control Message Protocol
No. Time Source Destination Protocol Info 4 0.001245 192.168.10.13 192.168.10.3 ICMP Echo (ping) reply

Frame 4 (74 bytes on wire, 74 bytes captured)
Ethernet II, Src: 00:90:c2:c0:f8:fa (00:90:c2:c0:f8:fa), Dst: a4:ba:db:0e:d2:54 (a4:ba:db:0e:d2:54) Internet Protocol, Src: 192.168.10.13 (192.168.10.13), Dst: 192.168.10.3 (192.168.10.3)
Internet Control Message Protocol