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Chapter 5 – Network-to-Serial Connectivity Using Dialout

Command Line Interface and Application Examples for Multi-Tech Systems, Inc. IP Modules (S000368F) 72

Scenario 2 – Auto Dialout

In this scenario, the Auto Dialout session in Telnet mode is opened using a Telnet client.

Prerequisites

RAW mode (global and each port) MUST BE DISABLED using the Optional Configuration Commands.

A Telnet client can open an auto Dialout session by specifying the configured auto-dialout port.

Once the session is opened successfully, there can be two-way traffic between the Telnet session and the

remote serial device.

Auto Dialout Feature in Telnet Mode

Wireless IP Auto Dialout in Telnet Mode Setup Commands

# set ip telnet auto-dialout enable

# set serial s0 auto-dialout enable

# set serial s0 auto-dialout-port 5000

# set serial s0 auto-dialout-protocol telnet

# set serial s0 baud-rate 115200

# set serial s0 data-bits 8

# set serial s0 parity none

# set serial s0 stop-bits 1

# set serial s0 flow-control rts-cts

# set serial s1 baud-rate 115200

# set serial s1 data-bits 8

# set serial s1 parity none

# set serial s1 stop-bits 1

# set serial s1 flow-control rts-cts

# set serial s1 connect-type modem

# set serial s1 modem dial-number 123

# set serial s1 modem dialing-trig-mode none (See Chapter 4 - Scenario Setup Prerequisites)

# set ppp ppp0 ipcp-mode client-or-lan

# set ppp ppp0 authentication enable

# set ppp ppp0 auth-type pap

# set ppp ppp0 username "IP module"

# set ppp ppp0 password "IP module"

# set ppp ppp0 local-ip-addr 202.54.39.95 mask 255.255.255.255

# set ppp ppp0 remote-ip-addr 202.54.39.96 mask 255.255.255.255

# save

Notes

• Once the physical link is up and PPP interface has acquired an IP address the

• Wireless IP modem is ready to accept an auto-dialout connection.

• Use a Telnet client and connect to 202.54.39.95 on port 5000. This eventually establishes a Telnet

auto-dialout session between the IP module and the serial device.

• Closing the Telnet client closes the serial port in use.

• Only one dialout session to the same port can be opened at one time.

• When a dialout session authentication is enabled as specified in the optional commands, the session

prompts for a user name and password before opening. (Enabled by default).

• The serial port is opened with the current serial configuration.

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