Hello,
I'm using latest master branch lwip from 28 Feb 2016 in FreeRTOS
environment.
I have a problem with PPPoS when interfacing with 3G modem.
Sometimes ppp netif cannot authenticate/obtain IP address.
What makes it even more difficult to solve is that it only happen in about
30-40% cases.

Attached logs for both cases:
ppp_dbg_err.txt - connections attempts with this problem.
ppp_dbg_ok.txt - when everything connects just fine.

Could someone give me a hint if this issues can be due to PPP
misconfiguration in lwipopts.h (I didnt change anything in PPP
configuration, all settings are default).

-----
Regards,
Gennady
mob. +7 985 8181210
ppp phase changed[0]: phase=0
ppp_connect[0]: holdoff=0
ppp phase changed[0]: phase=1
pppos_connect: unit 0: connecting
ppp_start[0]
pppos_send_config[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=FF FF FF FF
ppp_recv_config[0]
ppp: auth protocols: PAP=1
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xcf2759c0> <pcomp> <accomp>]
pppos_write[0]: len=24
ppp_start[0]: finished
pppos_input[0]: got 108 bytes
rcvd [LCP ConfReq id=0x1 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth 0xc223 05>]
sent [LCP ConfNak id=0x1 <auth pap>]
pppos_write[0]: len=12
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xcf2759c0> <pcomp> <accomp>]
pppos_input[0]: got 44 bytes
pppos_input[0]: got 61 bytes
pppos_input[0]: Dropping bad fcs 0x9e4f proto=0xc021
pppos_input_drop: pbuf len=21, addr 2001afe8
rcvd [LCP ConfReq id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
sent [LCP ConfAck id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
pppos_write[0]: len=32
netif_set_mtu[0]: mtu=1500
pppos_send_config[0]: out_accm=0 0 0 0
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_config[0]
ppp phase changed[0]: phase=5
sent [PAP AuthReq id=0x1 user="" password=""]
pppos_write[0]: len=10
pppos_input[0]: got 61 bytes
rcvd [LCP ConfReq id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
ppp phase changed[0]: phase=4
pppos_send_config[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_config[0]
ppp: auth protocols: PAP=1
sent [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0xfdd6a1d8> <pcomp> <accomp>]
pppos_write[0]: len=24
sent [LCP ConfAck id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
pppos_write[0]: len=32
pppos_input[0]: got 32 bytes
rcvd [PAP AuthAck id=0x1 "Greetings!!"]
Discarded non-LCP packet when LCP not open
rcvd [IPCP ConfReq id=0x1]
Discarded non-LCP packet when LCP not open
pppos_input[0]: got 32 bytes
rcvd [PAP AuthAck id=0x1 "Greetings!!"]
Discarded non-LCP packet when LCP not open
rcvd [IPCP ConfReq id=0x1]
Discarded non-LCP packet when LCP not open
pppos_input[0]: got 80 bytes
rcvd [LCP ConfReq id=0x3 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x544> <auth 0xc223 05>]
sent [LCP ConfNak id=0x3 <auth pap>]
pppos_write[0]: len=12
rcvd [LCP ConfNak id=0x2]
sent [LCP ConfReq id=0x3 <asyncmap 0x0> <magic 0xfdd6a1d8> <pcomp> <accomp>]
pppos_write[0]: len=24
pppos_input[0]: got 16 bytes
pppos_input[0]: got 62 bytes
pppos_input[0]: Dropping bad fcs 0x3f81 proto=0xc021
pppos_input_drop: pbuf len=7, addr 2001acb8
rcvd [LCP ConfReq id=0x4 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x544> <auth pap>]
sent [LCP ConfAck id=0x4 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x544> <auth pap>]
pppos_write[0]: len=32
pppos_input[0]: got 62 bytes
rcvd [LCP ConfReq id=0x4 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x544> <auth pap>]
sent [LCP ConfAck id=0x4 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x544> <auth pap>]
pppos_write[0]: len=32
pppos_input[0]: got 45 bytes
rcvd [LCP ConfAck id=0x3 <asyncmap 0x0> <magic 0xfdd6a1d8> <pcomp> <accomp>]
netif_set_mtu[0]: mtu=1500
pppos_send_config[0]: out_accm=0 0 0 0
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_config[0]
ppp phase changed[0]: phase=5
sent [PAP AuthReq id=0x2 user="" password=""]
pppos_write[0]: len=10
pppos_input[0]: got 45 bytes
rcvd [LCP ConfAck id=0x3 <asyncmap 0x0> <magic 0xfdd6a1d8> <pcomp> <accomp>]
pppos_input[0]: got 32 bytes
rcvd [PAP AuthAck id=0x2 "Greetings!!"]
Remote message: Greetings!!
PAP authentication succeeded
ppp phase changed[0]: phase=7
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
rcvd [IPCP ConfReq id=0x1]
sent [IPCP ConfNak id=0x1 <addr 0.0.0.Àpppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x3 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x3 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x4 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x3 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x4 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x5 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x4 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x5 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x6 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x6 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x7 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x3]
sent [IPCP ConfAck id=0x3]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x4]
sent [IPCP ConfAck id=0x4]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x7 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x8 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x8 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x9 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x9 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xa <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xa <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xb <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xb <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xc <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xc <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xd <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x5]
sent [IPCP ConfAck id=0x5]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x6]
sent [IPCP ConfAck id=0x6]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xd <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xe <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xe <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0xf <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0xf <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x10 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x10 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x11 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x11 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x12 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x12 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x13 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x12 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x7]
sent [IPCP ConfAck id=0x7]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x7]
sent [IPCP ConfAck id=0x7]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x8]
sent [IPCP ConfAck id=0x8]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x8]
sent [IPCP ConfAck id=0x8]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x13 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x14 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x13 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x14 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x15 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x14 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x15 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x16 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x15 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x16 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x17 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x16 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x17 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x18 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x17 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x18 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x19 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x18 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x9]
sent [IPCP ConfAck id=0x9]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0x9]
sent [IPCP ConfAck id=0x9]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xa]
sent [IPCP ConfAck id=0xa]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xa]
sent [IPCP ConfAck id=0xa]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x19 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1a <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x19 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1a <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1b <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1a <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1b <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1c <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1c <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1d <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1d <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1e <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1e <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x1f <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xb]
sent [IPCP ConfAck id=0xb]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xc]
sent [IPCP ConfAck id=0xc]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x1f <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x20 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x20 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x21 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x21 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x22 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x22 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x23 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x23 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x24 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x24 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x25 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xd]
sent [IPCP ConfAck id=0xd]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xe]
sent [IPCP ConfAck id=0xe]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x25 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x26 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x26 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x27 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x27 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x28 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x28 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x29 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x29 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2a <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2a <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2b <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2a <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xf]
sent [IPCP ConfAck id=0xf]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP ConfReq id=0xf]
sent [IPCP ConfAck id=0xf]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP TermReq id=0x10]
sent [IPCP TermAck id=0x10]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP TermReq id=0x10]
sent [IPCP TermAck id=0x10]
pppos_write[0]: len=8
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2b <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2c <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2b <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2c <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2d <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2c <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2d <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2e <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2d <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2e <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2f <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2e <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2f <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x30 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x2f <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x30 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x30 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
pppos_input[0]: got 10 bytes
rcvd [IPCP TermReq id=0x11]
sent [IPCP TermAck id=0x11]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP TermReq id=0x11]
sent [IPCP TermAck id=0x11]
pppos_write[0]: len=8
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
sent [IPCP ConfReq id=0x31 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
pppos_input[0]: got 10 bytes
rcvd [IPCP TermAck id=0x31]
IPCP: timeout sending Config-Requests
ppp phase changed[0]: phase=9
ppp phase changed[0]: phase=4
pppos_send_config[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_config[0]
sent [LCP TermReq id=0x4 "No network protocols running"]
pppos_write[0]: len=36
pppos_input[0]: got 17 bytes
rcvd [LCP TermAck id=0x4]
ppp phase changed[0]: phase=10
Connection terminated.
ppp phase changed[0]: phase=0
ppp_link_terminated[0]
ppp_end[0]


 ======= PPP FAILS TO CONNECT =========

ppp phase changed[0]: phase=0
ppp_connect[0]: holdoff=0
ppp phase changed[0]: phase=1
pppos_connect: unit 0: connecting
ppp_start[0]
pppos_send_config[0]: out_accm=FF FF FF FF
ppp_send_config[0]
pppos_recv_config[0]: in_accm=FF FF FF FF
ppp_recv_config[0]
ppp: auth protocols: PAP=1
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xcf2759c0> <pcomp> <accomp>]
pppos_write[0]: len=24
ppp_start[0]: finished
pppos_input[0]: got 108 bytes
rcvd [LCP ConfReq id=0x1 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth 0xc223 05>]
sent [LCP ConfNak id=0x1 <auth pap>]
pppos_write[0]: len=12
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xcf2759c0> <pcomp> <accomp>]
pppos_input[0]: got 61 bytes
rcvd [LCP ConfReq id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
sent [LCP ConfAck id=0x2 <accomp> <pcomp> <asyncmap 0x0> <mru 1500> <magic 
0x543> <auth pap>]
pppos_write[0]: len=32
netif_set_mtu[0]: mtu=1500
pppos_send_config[0]: out_accm=0 0 0 0
ppp_send_config[0]
pppos_recv_config[0]: in_accm=0 0 0 0
ppp_recv_config[0]
ppp phase changed[0]: phase=5
sent [PAP AuthReq id=0x1 user="" password=""]
pppos_write[0]: len=10
pppos_input[0]: got 32 bytes
rcvd [PAP AuthAck id=0x1 "Greetings!!"]
Remote message: Greetings!!
PAP authentication succeeded
ppp phase changed[0]: phase=7
sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
rcvd [IPCP ConfReq id=0x1]
sent [IPCP ConfNak id=0x1 <addr 0.0.0.0>]
pppos_write[0]: len=14
pppos_input[0]: got 38 bytes
rcvd [IPCP ConfNak id=0x1 <compress VJ 0f 01> <ms-dns1 0.0.0.0> <ms-dns2 
0.0.0.0>]
sent [IPCP ConfReq id=0x2 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> 
<ms-dns2 0.0.0.0>]
pppos_write[0]: len=32
rcvd [IPCP ConfReq id=0x2]
sent [IPCP ConfAck id=0x2]
pppos_write[0]: len=8
pppos_input[0]: got 16 bytes
rcvd [IPCP ConfRej id=0x2 <compress VJ 0f 01>]
sent [IPCP ConfReq id=0x3 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
pppos_write[0]: len=26
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfNak id=0x3 <addr 10.208.67.193> <ms-dns1 10.77.48.33> <ms-dns2 
10.77.48.49>]
sent [IPCP ConfReq id=0x4 <addr 10.208.67.193> <ms-dns1 10.77.48.33> <ms-dns2 
10.77.48.49>]
pppos_write[0]: len=26
pppos_input[0]: got 28 bytes
rcvd [IPCP ConfAck id=0x4 <addr 10.208.67.193> <ms-dns1 10.77.48.33> <ms-dns2 
10.77.48.49>]
Could not determine remote IP address: defaulting to 10.64.64.64
sifvjcomp[0]: VJ compress enable=0 slot=0 max slot=0
sifup[0]: err_code=0
local  IP address 10.208.67.193
remote IP address 10.64.64.64
primary   DNS address 10.77.48.33
secondary DNS address 10.77.48.49
ppp phase changed[0]: phase=8
pppos_netif_output[0]: proto=0x21, len = 54
pppos_input[0]: got 75 bytes
ppp_input[0]: ip in pbuf len=70
pppos_netif_output[0]: proto=0x21, len = 60


 ==== PPP CONNECTED SUCCESSFULLY ======
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