I have a problem in connecting dial-up modem to AUX port of router C2821. The customer said he have connected the modem
to the AUX and connected the phone line. However, I cannot dialin via the modem and have the following message. Could
someone can help how to troubleshoot the connection ?
Router#sh line aux 0
Tty Line Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns Int
* 1 1 AUX 115200/115200- inout - - - 0 0 0/0 -
Line 1, Location: "", Type: ""
Length: 24 lines, Width: 80 columns
Baud rate (TX/RX) is 115200/115200, no parity, 2 stopbits, 8 databits
Status: Ready, Active, No Exit Banner, CTS Raised, Modem Configuring
Modem Speed Locked, Modem Signals Polled, Autoconfig Running
Capabilities: Modem Callout, Modem RI is CD, Modem Discovery
Modem state: Ready
Modem hardware state: CTS* noDSR DTR RTS
Special Chars: Escape Hold Stop Start Disconnect Activation
^^x none - - none
Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch
00:10:00 never none not set
Idle Session Disconnect Warning
Login-sequence User Response
Autoselect Initial Wait
Modem type is unknown.
Session limit is not set.
Time since activation: never
Editing is enabled.
History is enabled, history size is 20.
DNS resolution in show commands is enabled
Full user help is disabled
Allowed input transports are none.
Allowed output transports are none.
Preferred transport is telnet.
No output characters are padded
No special data dispatching characters
line aux 0
modem autoconfigure discovery
transport output none
Thanks a lot
Based on the modem hardware state settings it looks like the modem is connected to the aux port.
Here's an example of how to configure the router to be used for dialin to an exec via the aux port of the router. HTH