LAN 拨号，PPPOE会话总是重建，见日志。

zhx200808

刷了固件后，启用lan拨号，总是掉线，设备日志现实PPPOE会话在不停重建
Jan  1 00:12:57 (none) daemon.debug syslog: ATCPOLL: No Data
  c9 E+ W( V" q/ Y) UJan  1 00:13:02 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:07 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:12 (none) daemon.debug syslog: ATCPOLL: No Data
& l$ D, ?  \8 _2 ?/ R- r& [( P# AJan  1 00:13:17 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:21 (none) daemon.crit syslog: Clear IP addresses.  PPP connection DOWN.
: {5 I* p9 S7 X" J0 v; AJan  1 00:13:22 (none) daemon.crit syslog: Clear IP addresses.  Connection DOWN.
! I* U/ \7 |, y( CJan  1 00:13:23 (none) daemon.debug syslog: ATCPOLL: No Data
! a' b- s. R  Q- |# i0 D9 R; S  `Jan  1 00:13:26 (none) daemon.notice syslog: PPP: Start to connect ...
3 d# c1 U  ~; E0 A! R( UJan  1 00:13:26 (none) daemon.crit syslog: PPP server detected.
Jan  1 00:13:26 (none) daemon.crit syslog: PPP session established.
Jan  1 00:13:26 (none) daemon.crit syslog: PPP LCP UP.
/ T1 B8 M2 S6 g# nJan  1 00:13:27 (none) daemon.crit syslog: Received valid IP address from server.  Connection UP.
Jan  1 00:13:30 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:32 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:37 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:42 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:47 (none) daemon.debug syslog: ATCPOLL: No Data
; I  h* w. S( b! N5 C) H大神给诊断下
% r- J$ K$ o( \! X1 c( p0 ]这个ATCPOLL是个啥玩意儿
  v  R+ V7 Y% I$ ^6 l/ h  x/ d