Strange ARP behavior from COX gateway
Hello everyone. I have noticed some very weird behavior coming from my COX gateway. It appears to be answering ARP requests for any address at all, whether it's a routable IP or an RFC1918. Here's so...
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You actually made me thing about this one for a moment but what you're seeing is expected behavior. arping is described as doing the following: Ping destination on device interface by ARP packets, using source address source.
Since the IP's your arpinging to aren't local to your subnet, they're being sent to the default gateway's MAC address which is replying as that is where such packets should be routed.
