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Cisco NM-8AM-V2 and NM-16AM-V2 Analog Modem Network Modules with V.92
How to Configure the Cisco NM-8AM-V2 and NM-16AM-V2 Network Modules
7
Cisco IOS Release 12.3(7)T
• debug modem
• debug ppp events
• debug ppp forwarding
• debug ppp negotiation
• debug ppp packet
Use the debug modem and debug dialer commands to troubleshoot the Cisco NM-8AM-V2 and
NM-16AM-V2 network modules.
Router# debug modem
Router# debug dialer
Router# ping 10.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.1.1.1, timeout is 2 seconds:
*Jul 27 05:40:24.524 EST: As33 DDR: place call
*Jul 27 05:40:24.524 EST: As33 DDR: Dialing cause ip (s=10.1.1.1, d=10.1.1.1)
*Jul 27 05:40:24.524 EST: As33 DDR: Attempting to dial 102
*Jul 27 05:40:24.524 EST: CHAT33: Attempting async line dialer script
*Jul 27 05:40:24.524 EST: CHAT33: Dialing using Modem script: dial & System script: none
*Jul 27 05:40:24.524 EST: CHAT33: process started
*Jul 27 05:40:24.524 EST: CHAT33: Asserting DTR
*Jul 27 05:40:24.524 EST: CHAT33: Chat script dial started
*Jul 27 05:40:24.524 EST: Modem 1/0 ACF: CMD DTR set high
*Jul 27 05:40:24.888 EST: Modem 1/0 ACF: Event: Hook state: Off Hook Dialing.
*Jul 27 05:40:24.888 EST: Modem 1/0 ACF: State: Dialing....
*Jul 27 05:40:45.960 EST: Modem 1/0 ACF: Event: CONNECT V34/LAPM/V42B/33600:TX/33600:RX
*Jul 27 05:40:45.960 EST: Modem 1/0 ACF: State: Connected
*Jul 27 05:40:45.972 EST: CHAT33: Chat script dial finished, status = Success
*Jul 27 05:40:45.972 EST: TTY33: no timer type 1 to destroy
*Jul 27 05:40:45.972 EST: TTY33: no timer type 0 to destroy
*Jul 27 05:40:45.972 EST: TTY33: no timer type 2 to destroy
*Jul 27 05:40:45.972 EST: Modem 1/0 ACF: CMD PPP mode active
*Jul 27 05:40:47.972 EST: %LINK-3-UPDOWN: Interface Async33, changed state to up
*Jul 27 05:40:47.972 EST: As33 DDR: Dialer statechange to up
*Jul 27 05:40:47.972 EST: As33 DDR: Dialer call has been placed
*Jul 27 05:40:47.972 EST: Modem 1/0 ACF: CMD PPP escape maps set: TX map=00000000 RX
map=FFFFFFFF
*Jul 27 05:40:48.112 EST: Modem 1/0 ACF: CMD PPP escape maps set: TX map=00000000 RX
map=000A0000
*Jul 27 05:40:48.212 EST: As33 DDR: dialer protocol up
*Jul 27 05:40:48.972 EST: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async33, changed
state to up