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problem when use pppoe

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linux-howto

http://forums.fedoraforum.org – my laptop is thinkpad E520 ,and fedora 15 when use wireless or wire is ok,but in my home ,if i want to use internet without cable plugged ,i must make sure the wireless is ok(it's ok ), then use dsl ,but when the cable unplugged ,the dsl cant work ! Someone suggest use pppoe ,but when i type pppoe setup the result is : pppoe: ioctl(SIOCGIFHWADDR): Session 0: No such device and ifconfig : lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 (HowTos)