Hi Sylvain, I try to use PPP server on AT91SAM7x chip and it failed authentication (both sides using PAP). Here's the debug message from a Linux (PPP client) followed by lwIP PPP debug message. Interesting thing is the PPP authentication failure also causes the whole lwIP stack stop working. I continuously PING my Ethernet interface while I start the PPP client on Linux, after a while, the PING stopped and never come back.
Could you take a look at those messages and tell me what could be wrong? Thanks, Charles Linux (PPP client) debug message: cm@cm-ppp:/etc/ppp$ sudo pppd /dev/ttyS0 nodetach using channel 5 Using interface ppp0 Connect: ppp0 <--> /dev/ttyS0 sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x15fea63a> <pcomp> <accomp>] sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x15fea63a> <pcomp> <accomp>] sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x15fea63a> <pcomp> <accomp>] rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth pap> <magic 0xeefa19da> <pcomp> <accomp>] sent [LCP ConfAck id=0x1 <asyncmap 0x0> <auth pap> <magic 0xeefa19da> <pcomp> <accomp>] rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x15fea63a> <pcomp> <accomp>] sent [LCP EchoReq id=0x0 magic=0x15fea63a] sent [PAP AuthReq id=0x1 user="test" password="test"] rcvd [LCP EchoReq id=0x0 magic=0xeefa19da] sent [LCP EchoRep id=0x0 magic=0x15fea63a] rcvd [LCP EchoRep id=0x0 magic=0xeefa19da] sent [PAP AuthReq id=0x2 user="test" password="test"] sent [PAP AuthReq id=0x3 user="test" password="test"] sent [PAP AuthReq id=0x4 user="test" password="test"] sent [PAP AuthReq id=0x5 user="test" password="test"] sent [PAP AuthReq id=0x6 user="test" password="test"] sent [PAP AuthReq id=0x7 user="test" password="test"] sent [PAP AuthReq id=0x8 user="test" password="test"] sent [PAP AuthReq id=0x9 user="test" password="test"] sent [PAP AuthReq id=0xa user="test" password="test"] sent [LCP EchoReq id=0x1 magic=0x15fea63a] No response to PAP authenticate-requests sent [LCP TermReq id=0x2 "Failed to authenticate ourselves to peer"] sent [LCP TermReq id=0x3 "Failed to authenticate ourselves to peer"] Connection terminated. Modem hangup cm@cm-ppp:/etc/ppp$ lwIP PPP debug message: ppp phase changed[1]: phase=0.. ppp_listen[1].. ppp phase changed[1]: phase=1.. pppos_listen: unit 1: listening.. ppp_start[1].. pppos_send_config[1]: in_accm=FF FF FF FF.. ppp_send_config[1].. pppos_recv_config[1]: in_accm=FF FF FF FF.. ppp_recv_config[1].. ppp_start[1]: finished.. pppos_input[1]: got 20 bytes.. pppos_input[1]: got 20 bytes.. pppos_input[1]: got 7 bytes.. ppp: auth protocols: PAP=1 CHAP=0 CHAP_MD5=0 CHAP_MS=0 CHAP_MS2=0 EAP=0.. pppos_write[1]: len=28.. pppos_write[1]: len=24.. pppos_input[1]: got 1 bytes.. pppos_input[1]: got 3 bytes.. pppos_input[1]: got 4 bytes.. pppos_input[1]: got 4 bytes.. pppos_input[1]: got 6 bytes.. pppos_input[1]: got 17 bytes.. pppos_input[1]: got 6 bytes.. pppos_input[1]: got 2 bytes.. pppos_input[1]: got 4 bytes.. pppos_input[1]: got 3 bytes.. pppos_input[1]: got 8 bytes.. pppos_send_config[1]: in_accm=0 0 0 0.. ppp_send_config[1].. pppos_recv_config[1]: in_accm=0 0 0 0.. ppp_recv_config[1].. pppos_write[1]: len=12.. ppp phase changed[
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