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I'm not sure if this is the place to ask this question, move it if it's not.

I'm trying to fix a wireless network. It only connects to a few devices and when it does work the connection is spotty. The router is a netgear wireless-n 150 wrn1000v2. Connecting to the router isn't a big problem, but connecting to the internet via WiFi is. I can't upgrade the firmware becuase it is from Comcast and it seems as though they only allow their versions of the firmware. I've monitored the network with wireshark and I see that the devices that are having trouble connecting are constantly asking "who is 192.168.1.1 tell 192.168.1.x" where x is the ip for the device. 192.168.1.1 is the router. This is from running wireshark on the wireless device. What does this mean. At this point I feel like buying a new router is the only option.

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migrated from security.stackexchange.com Nov 27 '11 at 17:31

This question came from our site for information security professionals.

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You should be able to install your own firmware, i don't see how its possible for an ISP to enforce their firmware. – Rook Nov 27 '11 at 19:37
    
What you're seeing are ARP requests, and are part of normal network traffic. To determine whether or not the traffic you're seeing represents a problem on the network, we need more information. First, we need to know the physical layout of your network - particularly the paths between the system running Wireshark, your router, and the "192.168.1.x" machine(s). If wireless connections are involved, we need to know if you're using a Wi-Fi adapter that can listen in "promiscuous" mode. (If you don't know, you're probably not.) – Iszi Nov 27 '11 at 21:43

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