> I was using the (nowadays) old "/etc/init.d/rp-pppoe" script to
> start/stop my adsl connection, but I did an "emerge world" without
> looking at the messages that now the "net" script should handle all
> possible types of connection, so now I don't know how to configure it.

config_ppp0=( "ppp" )
plugins_ppp0=( "pppoe" )
link_ppp0="eth1"
username_ppp0="..."
pppd_ppp0=(
        "noauth"
        "defaultroute"
        "holdoff 0"
)
depend_ppp0() {
        need net.eth1
}


/etc/init.d/net.ppp0 must be a link to net.lo
replace eth1 by whatever you're using.