Hi! > > The response will be send back to the source of the original package. Since > > your linux box seems to be the source for every package, it will receive > > every response. And what do you do with unwanted letters? :) > > Drop them in the bin ;-) All the pakages i want to handel is IP pakages. > I want to make sure nothing with anything else then my MAC-address ever > goes out, but I can just as well stop it as change it if it is not IP > pakages.
Then what do you need proxy-arp for? Without it, your cablemodem will only see the routers MAC address. > > > [good expanation removed] > > > > Every time, the IP package will receive a new ethernet header and your > > cablemodem will only see one MAC address. > > My box route IP pakages between eth0 and eth1. That is working and if I > understand You, these pakages do always get the MAC-address of the > interface (eth-card) they leaving. Good, then IP pakages is no problem. > > > I am not very sure about arp-proxy, but a bridge will forward any package > > without touching it. > > Is linux bridging other stuff (then IP) betwen eth0 and eth1? Is that how > ARP get thru? ARP is not IP i beleve? Bridging is the similar to routing, only on layer 2, i.e. ethernet. A switch is nothing else. > If the kernel (or somthing) is bridging, is that possably to turn off? If you don't know about it, it is not bridging. :) > If the kernel is nor bridging, how do wrong MAC-addresses get trhu? Is > the MAC-adresses hiding in the data part of IP pakages? Is ARP working > in this way? Proxy-arp does do something similar to bridging. Probably not the same, but I am not exactly sure about it. Is anyone? J�rn -- The next best thing to having good ideas is recognizing good ideas from your users. Sometimes the latter is better.
