No auth possible


#1

Hi,

While establishing PPP Connection I receive “no auth possible” in my log. What is it exactly referring?
My log are as below

[email protected]:~ $ sudo pppd call gprs
pppd options in effect:
debug # (from /etc/ppp/peers/gprs)
nodetach # (from /etc/ppp/peers/gprs)
dump # (from /etc/ppp/peers/gprs)
noauth # (from /etc/ppp/peers/gprs)
remotename 3gppp # (from /etc/ppp/peers/gprs)
/dev/ttyUSB3 # (from /etc/ppp/peers/gprs)
115200 # (from /etc/ppp/peers/gprs)
lock # (from /etc/ppp/peers/gprs)
connect chat -s -v -f /etc/chatscripts/quectel-chat-connect -T INTERNET # (from /etc/ppp/peers/gprs)
disconnect chat -s -v -f /etc/chatscripts/quectel-chat-disconnect # (from /etc/ppp/peers/gprs)
nocrtscts # (from /etc/ppp/peers/gprs)
modem # (from /etc/ppp/peers/gprs)
asyncmap 0 # (from /etc/ppp/options)
lcp-echo-failure 4 # (from /etc/ppp/options)
lcp-echo-interval 30 # (from /etc/ppp/options)
hide-password # (from /etc/ppp/peers/gprs)
novj # (from /etc/ppp/peers/gprs)
novjccomp # (from /etc/ppp/peers/gprs)
ipcp-accept-local # (from /etc/ppp/peers/gprs)
ipcp-accept-remote # (from /etc/ppp/peers/gprs)
ipparam 3gppp # (from /etc/ppp/peers/gprs)
noipdefault # (from /etc/ppp/peers/gprs)
ipcp-max-failure 30 # (from /etc/ppp/peers/gprs)
defaultroute # (from /etc/ppp/peers/gprs)
usepeerdns # (from /etc/ppp/peers/gprs)
noccp # (from /etc/ppp/peers/gprs)
noipx # (from /etc/ppp/options)
abort on (BUSY)
abort on (NO CARRIER)
abort on (NO DIALTONE)
abort on (ERROR)
abort on (NO ANSWER)
timeout set to 30 seconds
send (AT^M)
expect (OK)
AT^M^M
OK
— got it

send (ATE0^M)
expect (OK)
^M
ATE0^M^M
OK
— got it

send (ATI;+CSUB;+CSQ;+CPIN?;+COPS?;+CGREG?;&D2^M)
expect (OK)
^M
^M
Quectel^M
EC25^M
Revision: EC25VFAR02A08M4G^M
^M
SubEdition: V02^M
^M
+CSQ: 99,99^M
^M
+CPIN: READY^M
^M
+COPS: 0^M
^M
+CGREG: 0,2^M
^M
OK
— got it

send (AT+CGDCONT=1,”IP”,”internet”,0,0^M)
expect (OK)
^M
^M
OK
— got it

send (ATD*99#^M)
expect (CONNECT)
^M
^M
CONNECT
— got it

Script chat -s -v -f /etc/chatscripts/quectel-chat-connect -T INTERNET finished (pid 1033), status = 0x0
Serial connection established.
using channel 1
Using interface ppp0
Connect: ppp0 <–> /dev/ttyUSB3
sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x6c0be324> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth chap MD5> <magic 0xd2090f7d> <pcomp> <accomp>]
No auth is possible
sent [LCP ConfRej id=0x0 <auth chap MD5>]
rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x6c0be324> <pcomp> <accomp>]
rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xd2090f7d> <pcomp> <accomp>]
sent [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xd2090f7d> <pcomp> <accomp>]
sent [LCP EchoReq id=0x0 magic=0x6c0be324]
sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
rcvd [LCP DiscReq id=0x2 magic=0xd2090f7d]
rcvd [LCP EchoRep id=0x0 magic=0xd2090f7d 6c 0b e3 24]

#2

Remote side wants to make Chap authentication but probably auth chap not defined in your pppd config.