Hi
@Bean.Wang-Q, Something odd We have observed in PPP Mode (not using quectel-CM or ECM),
We see a issue in IPCP negotiation, Between EC20 and EC200U with same SIM/Operator. EC20 connects to internet without issues, EC200U fails.
Is there any latest firmware for EC200U-CN miniPCie
please find PPP logs for EC20 and EC200U with same SIM/Operator
EC20:
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP DiscReq id=0x2 magic=0x2beccce9]**
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP EchoRep id=0x0 magic=0x2beccce9 b0 0f b5 7a]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfReq id=0x0 <addr fe80::0000:0000:0000:0000>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPV6CP ConfNak id=0x0 <addr fe80::09df:3926:356b:c9df>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfAck id=0x1 <addr fe80::194d:1771:fd0d:8013>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfReq id=0x1 <addr fe80::09df:3926:356b:c9df>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPV6CP ConfAck id=0x1 <addr fe80::09df:3926:356b:c9df>]
EC200U:
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [LCP EchoRep id=0x0 magic=0xf1e04082]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfReq id=0x1 <addr 192.168.0.1>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfAck id=0x1 <addr 192.168.0.1>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfRej id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfReq id=0x2 <addrs 0.0.0.0 0.0.0.0>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPV6CP ConfReq id=0x1 <addr fe80::5d7b:b3f9:4689:225a>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPV6CP ConfAck id=0x1 <addr fe80::5d7b:b3f9:4689:225a>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPV6CP ConfAck id=0x1 <addr fe80::d92c:bbaa:979f:265c>]
EC20 full log
Wed Apr 17 11:19:59 2024 daemon.debug pppd[2654]: Script USE_APN=jionet DIALNUMBER=*99***1# /usr/sbin/chat -t5 -v -E -f /etc/chatscripts/3g.chat finished (pid 2655), status = 0x0
Wed Apr 17 11:19:59 2024 daemon.info pppd[2654]: Serial connection established.
Wed Apr 17 11:19:59 2024 daemon.debug pppd[2654]: using channel 1
Wed Apr 17 11:19:59 2024 kern.info kernel: [ 54.347015] 3g-4gcellular: renamed from ppp0
Wed Apr 17 11:19:59 2024 daemon.info pppd[2654]: Renamed interface ppp0 to 3g-4gcellular
Wed Apr 17 11:19:59 2024 daemon.info pppd[2654]: Using interface 3g-4gcellular
Wed Apr 17 11:19:59 2024 daemon.notice pppd[2654]: Connect: 3g-4gcellular <--> /dev/ttyUSB2
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xb00fb57a>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <auth chap MD5> <magic 0x2beccce9> <pcomp> <accomp>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: No auth is possible
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [LCP ConfRej id=0x0 <auth chap MD5> <pcomp> <accomp>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xb00fb57a>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0x2beccce9>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0x2beccce9>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [LCP EchoReq id=0x0 magic=0xb00fb57a]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPV6CP ConfReq id=0x1 <addr fe80::194d:1771:fd0d:8013>]
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP DiscReq id=0x2 magic=0x2beccce9]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [LCP EchoRep id=0x0 magic=0x2beccce9 b0 0f b5 7a]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfReq id=0x0 <addr fe80::0000:0000:0000:0000>]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPV6CP ConfNak id=0x0 <addr fe80::09df:3926:356b:c9df>]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfAck id=0x1 <addr fe80::194d:1771:fd0d:8013>]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: rcvd [IPV6CP ConfReq id=0x1 <addr fe80::09df:3926:356b:c9df>]**
**Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: sent [IPV6CP ConfAck id=0x1 <addr fe80::09df:3926:356b:c9df>]**
Wed Apr 17 11:20:00 2024 daemon.notice pppd[2654]: local LL address fe80::194d:1771:fd0d:8013
Wed Apr 17 11:20:00 2024 daemon.notice pppd[2654]: remote LL address fe80::09df:3926:356b:c9df
Wed Apr 17 11:20:00 2024 daemon.debug pppd[2654]: Script /lib/netifd/ppp6-up started (pid 2677)
Wed Apr 17 11:20:00 2024 daemon.notice netifd: Network device '3g-4gcellular' link is up
Wed Apr 17 11:20:01 2024 daemon.notice netifd: Interface '4gcellular' is now up
Wed Apr 17 11:20:01 2024 daemon.notice netifd: Network alias '3g-4gcellular' link is up
Wed Apr 17 11:20:01 2024 daemon.notice netifd: Interface '4gcellular_6' is enabled
Wed Apr 17 11:20:01 2024 daemon.notice netifd: Interface '4gcellular_6' has link connectivity
Wed Apr 17 11:20:01 2024 daemon.notice netifd: Interface '4gcellular_6' is setting up now
Wed Apr 17 11:20:01 2024 daemon.debug pppd[2654]: Script /lib/netifd/ppp6-up finished (pid 2677), status = 0x0
Wed Apr 17 11:20:02 2024 daemon.warn odhcpd[1455]: No default route present, overriding ra_lifetime!
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfReq id=0x0 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0> <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfRej id=0x0 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0> <ms-wins 0.0.0.0> <ms-wins 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfRej id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x2 <addrs 0.0.0.0 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfReq id=0x1]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfAck id=0x1]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfRej id=0x2 <addrs 0.0.0.0 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x3]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfNak id=0x3 <addr 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x4]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfNak id=0x4 <addr 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x5]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfNak id=0x5 <addr 0.0.0.0>]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP ConfReq id=0x6]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP ConfAck id=0x6]
Wed Apr 17 11:20:03 2024 daemon.err pppd[2654]: Could not determine local IP address
Wed Apr 17 11:20:03 2024 daemon.info pppd[2654]: Connect time 0.1 minutes.
Wed Apr 17 11:20:03 2024 daemon.info pppd[2654]: Sent 655 bytes, received 294 bytes.
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: sent [IPCP TermReq id=0x7 "Could not determine local IP address"]
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2654]: rcvd [IPCP TermAck id=0x7]
Wed Apr 17 11:20:13 2024 daemon.notice netifd: Interface '4gcellular_6' is now up
Wed Apr 17 11:20:13 2024 daemon.info dnsmasq[1]: reading /tmp/resolv.conf.d/resolv.conf.auto
Wed Apr 17 11:20:13 2024 daemon.info dnsmasq[1]: using nameserver 2405:200:800::11#53
EC200U full Log:
Wed Apr 17 11:20:01 2024 daemon.debug pppd[2778]: Script USE_APN=jionet DIALNUMBER=*99***1# /usr/sbin/chat -t5 -v -E -f /etc/chatscripts/3g.chat finished (pid 2779), status = 0x0
Wed Apr 17 11:20:01 2024 daemon.info pppd[2778]: Serial connection established.
Wed Apr 17 11:20:01 2024 daemon.debug pppd[2778]: using channel 1
Wed Apr 17 11:20:01 2024 kern.info kernel: [ 55.944651] 3g-4gcellular: renamed from ppp0
Wed Apr 17 11:20:01 2024 daemon.info pppd[2778]: Renamed interface ppp0 to 3g-4gcellular
Wed Apr 17 11:20:01 2024 daemon.info pppd[2778]: Using interface 3g-4gcellular
Wed Apr 17 11:20:01 2024 daemon.notice pppd[2778]: Connect: 3g-4gcellular <--> /dev/ttyUSB5
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xfc286304>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [LCP ConfReq id=0x1 <asyncmap 0x0> <auth chap MD5> <magic 0xf1e04082> <pcomp> <accomp>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: No auth is possible
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [LCP ConfRej id=0x1 <auth chap MD5> <pcomp> <accomp>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xfc286304>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0> <magic 0xf1e04082>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [LCP ConfAck id=0x2 <asyncmap 0x0> <magic 0xf1e04082>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [LCP EchoReq id=0x0 magic=0xfc286304]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfReq id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPV6CP ConfReq id=0x1 <addr fe80::d92c:bbaa:979f:265c>]
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [LCP EchoRep id=0x0 magic=0xf1e04082]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfReq id=0x1 <addr 192.168.0.1>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfAck id=0x1 <addr 192.168.0.1>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfRej id=0x1 <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns2 0.0.0.0>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfReq id=0x2 <addrs 0.0.0.0 0.0.0.0>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPV6CP ConfReq id=0x1 <addr fe80::5d7b:b3f9:4689:225a>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPV6CP ConfAck id=0x1 <addr fe80::5d7b:b3f9:4689:225a>]**
**Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPV6CP ConfAck id=0x1 <addr fe80::d92c:bbaa:979f:265c>]**
Wed Apr 17 11:20:02 2024 daemon.notice pppd[2778]: local LL address fe80::d92c:bbaa:979f:265c
Wed Apr 17 11:20:02 2024 daemon.notice pppd[2778]: remote LL address fe80::5d7b:b3f9:4689:225a
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: Script /lib/netifd/ppp6-up started (pid 2801)
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfRej id=0x2 <addrs 0.0.0.0 0.0.0.0>]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP ConfReq id=0x3]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP ConfAck id=0x3]
Wed Apr 17 11:20:02 2024 daemon.err pppd[2778]: Could not determine local IP address
Wed Apr 17 11:20:02 2024 daemon.info pppd[2778]: Connect time 0.1 minutes.
Wed Apr 17 11:20:02 2024 daemon.info pppd[2778]: Sent 154 bytes, received 112 bytes.
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP TermReq id=0x4 "Could not determine local IP address"]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP TermReq id=0x2 "Unauthorized remote IP address"]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: sent [IPCP TermAck id=0x2]
Wed Apr 17 11:20:02 2024 daemon.debug pppd[2778]: rcvd [IPCP TermAck id=0x4]
Wed Apr 17 11:20:02 2024 daemon.notice netifd: Network device '3g-4gcellular' link is up
Wed Apr 17 11:20:02 2024 daemon.notice netifd: Interface '4gcellular' is now up
Wed Apr 17 11:20:03 2024 daemon.notice netifd: Network alias '3g-4gcellular' link is up
Wed Apr 17 11:20:03 2024 daemon.notice netifd: Interface '4gcellular_6' is enabled
Wed Apr 17 11:20:03 2024 daemon.notice netifd: Interface '4gcellular_6' has link connectivity
Wed Apr 17 11:20:03 2024 daemon.notice netifd: Interface '4gcellular_6' is setting up now
Wed Apr 17 11:20:03 2024 daemon.debug pppd[2778]: Script /lib/netifd/ppp6-up finished (pid 2801), status = 0x0
Wed Apr 17 11:20:03 2024 daemon.warn odhcpd[1579]: No default route present, overriding ra_lifetime!
Wed Apr 17 11:20:14 2024 daemon.notice netifd: Interface '4gcellular_6' is now up
Wed Apr 17 11:20:14 2024 daemon.info dnsmasq[1]: read /etc/hosts - 12 names
Wed Apr 17 11:20:14 2024 daemon.info dnsmasq[1]: read /tmp/hosts/dhcp.cfg01411c - 4 names
Wed Apr 17 11:20:14 2024 daemon.info dnsmasq[1]: read /tmp/hosts/odhcpd - 0 names
Wed Apr 17 11:20:14 2024 daemon.info dnsmasq-dhcp[1]: read /etc/ethers - 0 addresses