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New Member

Modem detection

Have a 2800 router configuring Dialin with the NM-8AM Analog Modem Module. Have the remote modem (US Robotics Courier) conencted to the router but don't seem to seeing any PPP packets or LCAP. config below and debug ouput. Why is the modem hanging up?

interface Loopback0

ip address 192.168.73.1 255.255.255.0

!

interface FastEthernet0/0

ip address 171.15.1.197 255.255.255.0

duplex auto

speed auto

!

interface Group-Async1

ip unnumbered Loopback0

encapsulation ppp

no logging event link-status

dialer in-band

dialer idle-timeout 3600

dialer-group 1

no snmp trap link-status

async mode interactive

peer default ip address pool DIALIN

ppp authentication pap chap

group-range 1/0 1/7

!

ip local pool DIALIN 192.168.73.50

192.168.73.100

ip route 0.0.0.0 0.0.0.0 171.15.1.1

!

no ip http server

!

dialer-list 1 protocol ip permit

!

control-plane

!

line 1/0 1/7

modem InOut

modem autoconfigure discovery

transport input all

autoselect ppp

flowcontrol hardware

!

scheduler allocate 20000 1000

!

debug modem debug ppp

*Dec 8 11:34:50: Modem 1/1 ACF: State: Ringing

*Dec 8 11:34:50: Modem 1/1 ACF: Event: Incoming Ring

*Dec 8 11:34:50: Modem 1/1 ACF: Event: Hook state: Off Hook Answering

*Dec 8 11:34:50: Modem 1/1 ACF: State: Answering

*Dec 8 11:35:09: Modem 1/1 ACF: Event: CONNECT V34/LAPM/NONE/9600:TX/9600:RX

*Dec 8 11:35:09: Modem 1/1 ACF: State: Connected

*Dec 8 11:35:09: TTY1/1: DSR came up

*Dec 8 11:35:09: tty1/1: Modem: IDLE->(unknown)

*Dec 8 11:35:09: TTY1/1: Autoselect started

*Dec 8 11:35:09: TTY1/1: create timer type 0, 120 seconds

*Dec 8 11:35:09: TTY1/1: Autoselect starting EXEC

*Dec 8 11:35:09: TTY1/1: destroy timer type 0

*Dec 8 11:35:09: TTY1/1: EXEC creation

*Dec 8 11:35:09: TTY1/1: create timer type 1, 600 seconds

*Dec 8 11:35:49: Modem 1/1 ACF: Event: Hook state: On Hook

*Dec 8 11:35:49: Modem 1/1 ACF: State: Hangup

*Dec 8 11:35:49: Modem 1/1 ACF: Event: DISCONNECT

*Dec 8 11:35:49: Modem 1/1 ACF: State: Idle

*Dec 8 11:35:49: TTY1/1: dropping DTR, hanging up

*Dec 8 11:35:49: tty1/1: Modem: HANGUP->IDLE

*Dec 8 11:35:49: Modem 1/1 ACF: CMD DTR set low

*Dec 8 11:35:51: TTY1/1: restoring DTR

*Dec 8 11:35:51: Modem 1/1 ACF: CMD DTR set high

*Dec 8 11:35:51: Modem 1/1 ACF: State: Endcall

*Dec 8 11:35:52: Modem 1/1 ACF: Event: ENDCALL: Disconnect Received

*Dec 8 11:35:52: Modem 1/1 ACF: State: Init

*Dec 8 11:35:53: Modem 1/1 ACF: State: Idle

*Dec 8 11:40:48: TTY515: timer type 1 expired

*Dec 8 11:40:48: TTY515: Exec timer (continued)

2 REPLIES
Silver
New Member

Re: Modem detection

Modem now detected thanks, this document helped.

Have another issue, modem is always unable to authenticate, though I have verified the username & password are correct on the PC modem/settings that connects to the router. Here is the message below:

*Dec 15 11:04:53: As1/1 PAP: I AUTH-REQ id 3 len 16 from "010"

*Dec 15 11:04:53: As1/1 PAP: Authenticating peer 010

*Dec 15 11:04:53: As1/1 PPP: Phase is FORWARDING, Attempting Forward

*Dec 15 11:04:53: As1/1 PPP: Phase is AUTHENTICATING, Unauthenticated User

*Dec 15 11:04:53: As1/1 PPP: Sent PAP LOGIN Request

*Dec 15 11:04:53: As1/1 PPP: Received LOGIN Response FAIL

*Dec 15 11:04:53: As1/1 PAP: O AUTH-NAK id 3 len 26 msg is "Authentication failed"

*Dec 15 11:04:53: As1/1 PPP: Sending Acct Event[Down] id[76]

*Dec 15 11:04:53: As1/1 PPP: Phase is TERMINATING

*Dec 15 11:04:53: As1/1 LCP: O TERMREQ [Open] id 39 len 4

*Dec 15 11:04:54: Modem 1/1 ACF: Event: Hook state: On Hook

*Dec 15 11:04:54: Modem 1/1 ACF: State: Hangup

*Dec 15 11:04:54: Modem 1/1 ACF: Event: DISCONNECT

config below

username abc password 123456

interface Group-Async1

ip unnumbered Loopback0

encapsulation ppp

no logging event link-status

dialer in-band

dialer idle-timeout 3600

dialer-group 1

no snmp trap link-status

async mode interactive

ppp authentication pap chap

peer default ip address pool DIALIN

group-range 1/0 1/7

!

dialer-list 1 protocol ip permit

line 1/0 1/7

login local

modem InOut

transport input all

autoselect during-login

autoselect ppp

stopbits 1

flowcontrol hardware

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