Tagged Questions

ARP (Address Resolution Protocol) is a protocol used to find an address from the link layer (Ethernet, for example) from the network layer address (such as an IP address).

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Window 8 machine cannot ping devices on same subnet

After returning from vacation during which several Windows updates were applied and my router suffered a hard power cycle, my Windows 8 Desktop can no longer ping other devices on the same subnet. ...
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Why does Knoppix mess up my internet connection?

I have this problem that when I boot Knoppix on my Windows box, it screws up the internet connection somehow, so Windows cannot get an IP when I reboot back to XP. I use Verizon FIOS. Normally I have ...
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DD-WRT router causing IP address conflicts across network

My DD-WRT router has lost its mind! (Caveat: technically neither of these devices are "routing". I'm going to call them routers anyway.) I just set up two DD-WRT routers, one as a WAP (working fine) ...
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Networking issue: one of my NICs doesn't seem to be responding to arp

I have a strange networking issue. I have three computers hooked up to my router (two laptops, one desktop connected with a wifi dongle). I know from ifconfig on the desktop that my ip is ...
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201 views

How to view ARP cache on WRT54GL router

I am learning about networking, and so I tried to ARP poison my home PC and gateway from another machine on the home network. The router is a WRT54GL. To verify that the MITM attack is successful on ...
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352 views

Delete ARP cache on Mac OS when moving from one Wifi network to the other

I am facing wireless connectivity problems when I move from one Wifi network to the other. Here is how it happens: I am at my friends place. I connect to his Wifi. His Wifi router ip address is ...
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237 views

what's wrong with ARP Table in Windows?

I use Windows 7. And I set entry of Gateway in ARP table is Static. But I set Mac's Gateway wrong and I can't use Internet. So I use command "arp -d" to delete ARP table, then I can use Internet. But ...