John D. Amidon (jda@jhk.com) wrote: : vtcs-cvs# ifconfig eth0:0 136.0.0.1 : SIOCSIFADDR: Invalid argument It means you have no "eth0:0". Probably you didn't load the "ip_alias" module; just issue "insmod ip_alias" and it should work. A good idea would be to run "kerneld" (he manages things like that for you). The file /proc/net/alias exists wether you load the module or not. -Winfried