湖北高校全部用E信上网，我想问下，如何直接在ubuntu下用E 信上网

代码:

sudo pon dsl-provider
Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.5



plog
Sep 21 09:00:57 ubuntu pppd[2846]: Connection terminated.
Sep 21 09:00:57 ubuntu pppd[2846]: Modem hangup
Sep 21 09:01:11 ubuntu pppd[2481]: PPP session is 3134
Sep 21 09:01:11 ubuntu pppd[2481]: Connected to 00:18:82:74:f9:10 via interface eth0
Sep 21 09:01:11 ubuntu pppd[2481]: Using interface ppp0
Sep 21 09:01:11 ubuntu pppd[2481]: Connect: ppp0 <--> eth0
Sep 21 09:01:14 ubuntu pppd[2481]: Remote message: [Code 2]: Package is not legal
Sep 21 09:01:14 ubuntu pppd[2481]: PAP authentication failed