Router1#sh run . . . ! ip host modem 2018 1.1.1.1 username cisco password 0 cisco archive log config hidekeys ! interface Loopback0 ip address 1.1.1.1 255.255.255.0 ! interface Cellular0/1/0 ip address 10.1.1.1 255.255.255.0 encapsulation ppp dialer in-band dialer idle-timeout 600 dialer string 09362638452 dialer-group 1 async mode interactive ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 Cellular0/1/0 ! ! no ip http server no ip http secure-server ! access-list 1 permit any dialer-list 1 protocol ip permit line 0/1/0 exec-timeout 0 0 login local no exec transport input all transport output all autoselect ppp rxspeed 236800 txspeed 118000 . . . Router#ping 10.1.2.1 re 1 Type escape sequence to abort. Sending 1, 100-byte ICMP Echos to 10.1.2.1, timeout is 2 seconds: *Sep 18 13:11:32.378: CHAT0/1/0: Attempting async line dialer script *Sep 18 13:11:32.378: CHAT0/1/0: no matching chat script found for 09362638452 *Sep 18 13:11:32.378: CHAT0/1/0: Dialing using Modem script: d0efault-d0ials0cript & System script: none *Sep 18 13:11:32.382: CHAT0/1/0: process started *Sep 18 13:11:32.382: CHAT0/1/0: Asserting DTR *Sep 18 13:11:32.382: CHAT0/1/0: Chat script d0efault-d0ials0cript started *Sep 18 13:11:32.382: CHAT0/1/0: Sending string: ATZ *Sep 18 13:11:32.382: CHAT0/1/0: Expecting string: OK *Sep 18 13:11:32.422: CHAT0/1/0: Input mismatch expecting: OK :: ATZ\015\015\012 *Sep 18 13:11:32.434: CHAT0/1/0: Input match for: OK:: OK *Sep 18 13:11:32.434: CHAT0/1/0: Completed match for expect: OK *Sep 18 13:11:32.434: CHAT0/1/0: Sending string: AT *Sep 18 13:11:32.434: CHAT0/1/0: Expecting string: OK *Sep 18 13:11:32.434: CHAT0/1/0: Input mismatch expecting: OK :: \015\012AT\015\015\012 *Sep 18 13:11:32.446: CHAT0/1/0: Input match for: OK:: OK *Sep 18 13:11:32.446: CHAT0/1/0: Completed match for expect: OK *Sep 18 13:11:32.446: CHAT0/1/0: Sending string: ATDT\T<09362638452> *Sep 18 13:11:32.446: CHAT0/1/0: Expecting string: CONNECT *Sep 18 13:11:32.446: CHAT0/1/0: Input mismatch expecting: CONNECT :: \015\012ATDT09362638452\015. *Sep 18 13:12:32.446: CHAT0/1/0: Timeout expecting: CONNECT *Sep 18 13:12:32.446: CHAT0/1/0: Chat script d0efault-d0ials0cript finished, status = Connection timed out; remote host not responding *Sep 18 13:12:32.446: TTY0/1/0: Line reset by "Async dialer" *Sep 18 13:12:32.446: TTY0/1/0: dropping DTR *Sep 18 13:12:33.446: TTY0/1/0: asserting DTR *Sep 18 13:12:33.446: TTY0/1/0: Modem: (unknown)->READY *Sep 18 13:12:33.446: TTY0/1/0: no timer type 0 to destroy *Sep 18 13:12:33.446: TTY0/1/0: no timer type 1 to destroy *Sep 18 13:12:33.446: TTY0/1/0: no timer type 3 to destroy *Sep 18 13:12:33.446: TTY0/1/0: no timer type 4 to destroy *Sep 18 13:12:33.446: TTY0/1/0: no timer type 10 to destroy *Sep 18 13:12:33.446: TTY0/1/0: no timer type 2 to destroy *Sep 18 13:12:34.342: TTY0/1/0: Autoselect started *Sep 18 13:12:34.342: TTY0/1/0: create timer type 0, 120 seconds -------------------------------------------------- Note: At this step I have connected to modem in Router2 and again have dialed from this router (Router1) to Router 2 . As you can see two modems connect to each other. --------------------------------------------------- Router1#ping 10.1.2.1 re 1 Type escape sequence to abort. Sending 1, 100-byte ICMP Echos to 10.1.2.1, timeout is 2 seconds: *Sep 18 13:17:07.962: CHAT0/1/0: Attempting async line dialer script *Sep 18 13:17:07.966: CHAT0/1/0: no matching chat script found for 09362638452 *Sep 18 13:17:07.966: CHAT0/1/0: Dialing using Modem script: d0efault-d0ials0cript & System script: none *Sep 18 13:17:07.966: CHAT0/1/0: process started *Sep 18 13:17:07.966: CHAT0/1/0: Asserting DTR *Sep 18 13:17:07.966: CHAT0/1/0: Chat script d0efault-d0ials0cript started *Sep 18 13:17:07.966: CHAT0/1/0: Sending string: ATZ *Sep 18 13:17:07.966: CHAT0/1/0: Expecting string: OK *Sep 18 13:17:08.010: CHAT0/1/0: Input mismatch expecting: OK :: ATZ\015\015\012 *Sep 18 13:17:08.018: CHAT0/1/0: Input match for: OK:: OK *Sep 18 13:17:08.018: CHAT0/1/0: Completed match for expect: OK *Sep 18 13:17:08.018: CHAT0/1/0: Sending string: AT *Sep 18 13:17:08.018: CHAT0/1/0: Expecting string: OK *Sep 18 13:17:08.018: CHAT0/1/0: Input mismatch expecting: OK :: \015\012AT\015\015\012 *Sep 18 13:17:08.030: CHAT0/1/0: Input match for: OK:: OK *Sep 18 13:17:08.030: CHAT0/1/0: Completed match for expect: OK *Sep 18 13:17:08.030: CHAT0/1/0: Sending string: ATDT\T<09362638452> *Sep 18 13:17:08.034: CHAT0/1/0: Expecting string: CONNECT *Sep 18 13:17:08.034: CHAT0/1/0: Input mismatch expecting: CONNECT :: \015\012ATDT09362638452\015. *Sep 18 13:17:28.086: CHAT0/1/0: Input match for: CONNECT:: CONNECT *Sep 18 13:17:28.090: CHAT0/1/0: Completed match for expect: CONNECT *Sep 18 13:17:28.090: CHAT0/1/0: Chat script d0efault-d0ials0cript finished, status = Success *Sep 18 13:17:28.218: TTY0/1/0: no timer type 1 to destroy *Sep 18 13:17:28.218: TTY0/1/0: no timer type 0 to destroy *Sep 18 13:17:28.218: TTY0/1/0: no timer type 2 to destroy *Sep 18 13:17:30.218: %LINK-3-UPDOWN: Interface Cellular0/1/0, changed state to up *Sep 18 13:17:30.218: Ce0/1/0 PPP: Using dialer call direction *Sep 18 13:17:30.218: Ce0/1/0 PPP: Treating connection as a callout *Sep 18 13:17:30.218: Ce0/1/0 PPP: Session handle[4F00006E] Session id[52] *Sep 18 13:17:30.218: Ce0/1/0 PPP: Phase is ESTABLISHING, Active Open *Sep 18 13:17:30.218: Ce0/1/0 PPP: Authorization required *Sep 18 13:17:30.218: Ce0/1/0 PPP: No remote authentication for call-out *Sep 18 13:17:30.218: Ce0/1/0 LCP: O CONFREQ [Closed] id 254 len 20 *Sep 18 13:17:30.218: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:30.218: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:30.218: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:30.218: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:32.214: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:32.214: Ce0/1/0 LCP: O CONFREQ [REQsent] id 255 len 20 *Sep 18 13:17:32.214: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:32.214: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:32.214: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:32.214: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:34.230: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:34.230: Ce0/1/0 LCP: O CONFREQ [REQsent] id 0 len 20 *Sep 18 13:17:34.230: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:34.230: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:34.230: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:34.230: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:36.246: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:36.246: Ce0/1/0 LCP: O CONFREQ [REQsent] id 1 len 20 *Sep 18 13:17:36.246: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:36.246: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:36.246: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:36.246: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:38.262: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:38.262: Ce0/1/0 LCP: O CONFREQ [REQsent] id 2 len 20 *Sep 18 13:17:38.262: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:38.262: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:38.262: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:38.262: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:40.278: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:40.278: Ce0/1/0 LCP: O CONFREQ [REQsent] id 3 len 20 *Sep 18 13:17:40.278: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:40.278: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:40.278: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:40.278: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:42.294: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:42.294: Ce0/1/0 LCP: O CONFREQ [REQsent] id 4 len 20 *Sep 18 13:17:42.294: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:42.294: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:42.294: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:42.294: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:44.310: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:44.310: Ce0/1/0 LCP: O CONFREQ [REQsent] id 5 len 20 *Sep 18 13:17:44.310: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:44.310: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:44.310: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:44.310: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:46.326: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:46.326: Ce0/1/0 LCP: O CONFREQ [REQsent] id 6 len 20 *Sep 18 13:17:46.326: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:46.326: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:46.326: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:46.326: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:48.342: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:48.342: Ce0/1/0 LCP: O CONFREQ [REQsent] id 7 len 20 *Sep 18 13:17:48.342: Ce0/1/0 LCP: ACCM 0x000A0000 (0x0206000A0000) *Sep 18 13:17:48.342: Ce0/1/0 LCP: MagicNumber 0x15C27C1B (0x050615C27C1B) *Sep 18 13:17:48.342: Ce0/1/0 LCP: PFC (0x0702) *Sep 18 13:17:48.342: Ce0/1/0 LCP: ACFC (0x0802) *Sep 18 13:17:50.358: Ce0/1/0 LCP: Timeout: State REQsent *Sep 18 13:17:50.358: Ce0/1/0 PPP: Sending Acct Event[Down] id[3E] *Sep 18 13:17:50.358: Ce0/1/0 LCP: State is Closed *Sep 18 13:17:50.358: Ce0/1/0 PPP: Phase is DOWN *Sep 18 13:17:50.358: TTY0/1/0: Async Int reset: Dropping DTR *Sep 18 13:17:50.358: Ce0/1/0 LCP: State is Listen *Sep 18 13:17:52.358: %LINK-5-CHANGED: Interface Cellular0/1/0, changed state to reset *Sep 18 13:17:52.358: Ce0/1/0 LCP: State is Closed *Sep 18 13:17:55.486: TTY0/1/0: no timer type 0 to destroy *Sep 18 13:17:55.486: TTY0/1/0: no timer type 1 to destroy *Sep 18 13:17:55.486: TTY0/1/0: no timer type 3 to destroy *Sep 18 13:17:55.486: TTY0/1/0: no timer type 4 to destroy *Sep 18 13:17:55.486: TTY0/1/0: no timer type 10 to destroy *Sep 18 13:17:55.486: TTY0/1/0: no timer type 2 to destroy *Sep 18 13:17:55.486: TTY0/1/0: Async Int cleanup: Restoring DTR *Sep 18 13:17:57.486: %LINK-3-UPDOWN: Interface Cellular0/1/0, changed state to down ======++=============================== router2# Second router config ======================================= interface Loopback0 ip address 2.2.2.1 255.255.255.0 ! ! interface Cellular0/1/0 ip address 10.1.1.2 255.255.255.0 encapsulation ppp dialer in-band dialer-group 1 ! ip forward-protocol nd ip route 0.0.0.0 0.0.0.0 Cellular0/1/0 ! access-list 1 permit any dialer-list 1 protocol ip permit ! line 0/1/0 exec-timeout 0 0 login local modem Dialin modem autoconfigure type default transport input all transport output all rxspeed 236800 txspeed 118000 _---------------------------------------------------- Modem parameters in Router2 ------------------------------------------------------ router2# router2#telnet 2.2.2.1 2018 Trying 1.1.1.1, 2018 ... Open at&v &C: 1; &D: 2; &F: 0; &W: 0; E: 1; L: 0; M: 0; Q: 0; V: 1; X: 0; Z: 0; S0: 1; S2: 43; S3: 13; S4: 10; S5: 8; S6: 2; S7: 50; S8: 2; S9: 6; S10: 14; S11: 95; +FCLASS: 0; +ICF: 3,3; +IFC: 2,2; +IPR: 115200; +DR: 0; +DS: 0,0,2048,6; +WS46: 12; +CBST: 0,0,1; +CRLP: (61,61,48,6,0),(61,61,48,6,1),(240,240,52,6,2); +CV120: 1,1,1,0,0,0; +CHSN: 0,0,0,0; +CSSN: 0,0; +CREG: 0; +CGREG: 0; +CFUN:; +CSCS: "IRA"; +CSTA: 129; +CR: 0; +CRC: 0; +CMEE: 0; +CGDCONT: (1,"IP","mtnirancell","",0,0) ; +CGDSCONT: ; +CGTFT: ; +CGEQREQ: ; +CGEQMIN: ; +CGQREQ: ; +CGQMIN: ; +CGEREP: 0,0; +CGDATA: "PPP"; +CGCLASS: "B"; +CGSMS: 3; +CSMS: 0; +CMGF: 0; +CSCA: "+989350001400",145; +CSMP: ,,0,0; +CSDH: 0; +CSCB: 0,"",""; +FDD: 0; +FAR: 0; +FCL: 0; +FIT: 0,0; +ES: ,,; +ESA: 0,,,,0,0,255,; +CMOD: 0; +CVHU: 0; +CPIN: ,; +CMEC: 0,0,0; +CKPD: 1,1; +CGATT: 1; +CGACT: 0; +CPBS: "SM"; +CPMS: "SM","SM","SM"; +CNMI: 0,0,0,0,0; +CMMS: 0; +FTS: 0; +FRS: 0; +FTH: 3; +FRH: 3; +FTM: 96; +FRM: 96; +CCUG: 0,0,0; +COPS: 0,0,""; +CUSD: 0; +CAOC: 1; +CCWA: 0; +CPOL: 0,2,"",0,0,0; +CPLS: 0; +CTZR: 0; +CTZU: 0; +CLIP: 0; +COLP: 0; +CDIP: 0; +CMUX: 0,0,5,31,10,3,30,10,2; !CMUX: 0,0,5,31,10,3,30,10,2 OK