i have already use my board dial-up successful，this board use LDED,when i use master brach,pppoe always failed.detail log:
Plugin rp-pppoe.so loaded.
RP-PPPoE plugin version 3.8p compiled against pppd 2.4.8
Send PPPOE Discovery V1T1 PADI session 0x0 length 12
dst ff:ff:ff:ff:ff:ff src 00:14:97:2e:a5:01
[service-name] [host-uniq 9b 09 00 00]
Recv PPPOE Discovery V1T1 PADO session 0x0 length 61
dst 00:14:97:2e:a5:01 src 3a:26:69:0a:ff:16
[host-uniq 9b 09 00 00] [AC-cookie 00 01 1d 35 5f e4 3c 69 00 00 21 ba 32 e7 a2 41] [AC-name GD-SZ-KJY-MSE-1.MAN.M6000] [service-name]
Send PPPOE Discovery V1T1 PADR session 0x0 length 32
dst 3a:26:69:0a:ff:16 src 00:14:97:2e:a5:01
[service-name] [host-uniq 9b 09 00 00] [AC-cookie 00 01 1d 35 5f e4 3c 69 00 00 21 ba 32 e7 a2 41]
Recv PPPOE Discovery V1T1 PADT session 0x67f0 length 0
dst 00:14:97:2e:a5:01 src 3a:26:69:0a:ff:16
Recv PPPOE Discovery V1T1 PADS session 0x6807 length 12
dst 00:14:97:2e:a5:01 src 3a:26:69:0a:ff:16
[host-uniq 9b 09 00 00] [service-name]
PADS: Service-Name: ''
PPP session is 26631
Connected to 3a:26:69:0a:ff:16 via interface eth0.1
using channel 1
Renamed interface ppp0 to pppoe-wan
Using interface pppoe-wan
Connect: pppoe-wan <--> eth0.1
sent [LCP ConfReq id=0x1 <mru 1492> <magic 0x9a5d4dc7>]
rcvd [LCP ConfReq id=0x1 <magic 0x345354b0> <mru 1492> <auth pap>]
sent [LCP ConfAck id=0x1 <magic 0x345354b0> <mru 1492> <auth pap>]
rcvd [LCP ConfAck id=0x1 <mru 1492> <magic 0x9a5d4dc7>]
sent [LCP EchoReq id=0x0 magic=0x9a5d4dc7]
sent [PAP AuthReq id=0x1 user="07551201778261@163.gd" password=<hidden>]
rcvd [LCP EchoRep id=0x0 magic=0x345354b0]
Modem hangup
Connection terminated.
How to analyze this problem ?