Hi Chris! I got that error too, it happened that i was too slow when starting pppd on the host and I had to restart pppd on the target and then again on the host. Your output on the terminal running pppd on the host should be something like: using channel 6 Using interface ppp0 Connect: ppp0 -- /dev/ttyACM0 sent [LCP ConfReq id=0x1 asyncmap 0x0 magic 0xe406f5e5 pcomp accomp ] rcvd [LCP ConfAck id=0x1 asyncmap 0x0 magic 0xe406f5e5 pcomp accomp ] rcvd [LCP ConfReq id=0x1 asyncmap 0x0 magic 0x84a6f15c pcomp accomp ] sent [LCP ConfAck id=0x1 asyncmap 0x0 magic 0x84a6f15c pcomp accomp ] sent [LCP EchoReq id=0x0 magic=0xe406f5e5] sent [CCP ConfReq id=0x1 deflate 15 deflate(old#) 15 bsd v1 15 ] sent [IPCP ConfReq id=0x1 compress VJ 0f 01 addr 190.0.0.1 ] rcvd [IPCP ConfReq id=0x1 compress VJ 0f 01 addr 0.0.0.0 ] sent [IPCP ConfNak id=0x1 addr 190.0.0.254 ] rcvd [LCP EchoRep id=0x0 magic=0x84a6f15c] rcvd [CCP ConfReq id=0x1] sent [CCP ConfAck id=0x1] rcvd [CCP ConfRej id=0x1 deflate 15 ] sent [CCP ConfReq id=0x2 deflate(old#) 15 bsd v1 15 ] rcvd [IPCP ConfAck id=0x1 compress VJ 0f 01 addr 190.0.0.1 ] rcvd [IPCP ConfReq id=0x2 compress VJ 0f 01 addr 190.0.0.254 ] sent [IPCP ConfAck id=0x2 compress VJ 0f 01 addr 190.0.0.254 ] local IP address 190.0.0.1 remote IP address 190.0.0.254 Script /etc/ppp/ip-up started (pid 2844) rcvd [CCP ConfRej id=0x2 deflate(old#) 15 ] sent [CCP ConfReq id=0x3 bsd v1 15 ] rcvd [CCP ConfRej id=0x3 bsd v1 15 ] sent [CCP ConfReq id=0x4] rcvd [CCP ConfAck id=0x4] Script /etc/ppp/ip-up finished (pid 2844), status = 0x0 As you can see from the bolded lines, pppd should tell you that the IP addresses have been assigned. Anyway, it could be useful to see the logs on the target
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