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Amin El-Zein

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arp spoofing

hello
i have a network the ahve a multi subnet and multi router and main gateway
on of client in a subnet are doing a arp spoofing of one of router in subnet on a switch getway ip
how i can catch him ?
in all subnets i have hawawi switches l3
thanks
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Mal Osborne
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1. Install Wireshark on your PC.
2. Enable packet capture in Wireshark.
3. At a command prompt, ping the IP broadcast address. ie, if your IP address is 10.0.0.5/24, then PING 10.0.0.255.
4. Disable packet capture. (Steps 2-4 should be done quickly, within a few seconds)
5. Optionally, type ARP -g at a command prompt. This should list the IP and MAC address of every machine that responded in #3.
6. Grab the appropriate packets from Wireshark.
SOLUTION
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noci

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