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
" C( I1 T. T( i! b* ^" V# ZJan  1 00:12:57 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:02 (none) daemon.debug syslog: ATCPOLL: No Data
" K/ l# h4 x' ~+ S: NJan  1 00:13:07 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:12 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  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.
1 F+ S+ n3 i0 r3 wJan  1 00:13:22 (none) daemon.crit syslog: Clear IP addresses.  Connection DOWN.
# q4 _4 D9 o) j/ ~0 R9 mJan  1 00:13:23 (none) daemon.debug syslog: ATCPOLL: No Data
; B0 M* W$ {* ^. kJan  1 00:13:26 (none) daemon.notice syslog: PPP: Start to connect ...
! o1 }" x8 ?& q, l! N$ L) w, TJan  1 00:13:26 (none) daemon.crit syslog: PPP server detected.
+ X6 L( v1 {( n& Z6 \Jan  1 00:13:26 (none) daemon.crit syslog: PPP session established.
: x% }# P' r1 `, r* RJan  1 00:13:26 (none) daemon.crit syslog: PPP LCP UP.
Jan  1 00:13:27 (none) daemon.crit syslog: Received valid IP address from server.  Connection UP.
. ~% e, g4 Z  s0 VJan  1 00:13:30 (none) daemon.debug syslog: ATCPOLL: No Data
! V2 Z# V8 W* B' V5 S' ~Jan  1 00:13:32 (none) daemon.debug syslog: ATCPOLL: No Data
6 w& \# u9 Q0 H' R$ i3 M& BJan  1 00:13:37 (none) daemon.debug syslog: ATCPOLL: No Data
6 O# i: u- s/ ~% T9 [/ R* `3 NJan  1 00:13:42 (none) daemon.debug syslog: ATCPOLL: No Data
Jan  1 00:13:47 (none) daemon.debug syslog: ATCPOLL: No Data
大神给诊断下
+ V" U3 u. Q  q这个ATCPOLL是个啥玩意儿