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I found this mask in 4 case:1.In route table,for windows,"route print" will have items like this:destination mask gateway interface192.168.0.1 255.255.255.255 127.0.0.1 127.0.0.12.when dialup pppoe,get an address with netmask 255.255.25...
some isp limit only one computers can use pppoe dailup by it's mac address,but ppp line do not need arp protocol and mac to transfer data,so,how can they do that? how to find the customers mac address through ppp line?thx very much
