Chapter 2: Configuring Asynchronous Connections with Modems

Commands:

2.2.2 Asynchronous Interfaces – Line Numbering

router(config-line)#transport input protocol
router(config-line)#transport input all
router(config-line)#modem inout

 

2.2.3 EXEC Connection Commands

Router#Telnet host [port] [/debug]
Router#disconnect [session-number]
ctrl-shift-6 x

 

2.2.4 Line Types and Numbering

router#show line

 

2.2.5 Interface Async and Line Configuration

(config)#line x
(config-line)#login
(config-line)#password password
(config-line)#flowcontrol hardware
(config-line)#speed 115200
(config-line)#transport input all
(config-line)#stopbits 1
(config-line)#modem inout

OR

(config-line)#modem dialin

 

2.3.2 Manual Configuration of Modems with Standard Commands

modem commands
AT&F
ATS0=1
AT&C1&D3
ATS2=255
ATE0
ATM0

 

2.3.6 Modem Capability Database

Router#modemcap entry modem_name
Router#show modemcap modem_name

 

2.3.7 Modem Autodiscovery

Router(config-line)#modem autoconfigure discovery

 

2.3.8 Modem Autoconfiguration

Router(config)#line line-number
Router(config-line)#modem autoconfigure type type

 

2.3.9 Fine-tuning Modem Autoconfiguration

Router#modemcap edit new_modem_name

 

2.3.10 Chat-Scripts for Async Lines

Router(config)#chat-script script-name expect-string send-string
Router#start-chat regexp [line-number [dialer-string]]

 

2.4.1 Verifying and Debugging Modem Autoconfiguration

Router#debug confmodem
Router#show line
Router#clear line