Moxa V2616A-C5-CT-W7E [37/111] Sbin ifconfig
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Moxa V2616A-C5-CT-W7E [37/111] Sbin ifconfig

Moxa V2616A-C5-CT-W7E [37/111] Sbin ifconfig
V2616A Linux Managing Communications
3-15
#pppd connect ‘chat -v ““ ATDT5551212 CONNECT ““‘ user username password password /dev/
ttyMUE0 115200 crtscts modem
The pppd options are described below:
connect
‘chat etc...’
This option gives the command to contact the PPP server. The
chat
program is used to
dial a remote computer. The entire
command is enclosed in single quotes because
pppd expects a one
-word argument for the connect option. The options for chat
are
given below:
-
v
verbose mode; log what we do to syslog
“
“
Double quotes
—don’t wait for a prompt, but instead do ... (note that
you must include
a space after the second quotation mark)
ATDT5551212
Dial the modem, and then ...
CONNECT
Wait for an answer.
“
“
Send a return (null text followed by the usual return)
ogin:
username word: password
Log in with username and
password.
Note:
Refer to the chat man page, chat.8, for more information about the chat utility.
/dev/
Specify the callout serial port.
115200
The baud rate.
debug
Log status in syslog.
crtscts
Use hardware flow control between
the computer and modem (at baudrate of
115200
this is a must).
modem
Indicates that this is a modem device; pppd will hang up the phone before and after
making the call.
defaultroute
Once the PPP link is established, make it the default route; if you have a PPP link to the
Int
ernet, this is probably what you want.
192.1.1.17
This is a degenerate case of a general option of the form x.x.x.x:y.y.y.y. Here x.x.x.x
is the local IP address and y.y.y.y is the IP address of the remote end of the PPP
connection. If this option is not specified, or if just one side is specified, then x.x.x.x
defaults to the IP address associated with the local machine
’s hostname (located in
/
etc/hosts), and y.y.y.y is determined by the remote machine.
Connecting to a PPP Server over a Hard-wired Link
If a username and password are not required, use the following command (note that noipdefault is optional):
#pppd connect ‘chat –v” “ “ “ ‘ noipdefault /dev/ttyMUE0 19200 crtscts
If a username and password is required, use the following command (note that noipdefault is optional, and
the username and password are both “root”):
#pppd connect ‘chat –v” “ “ “ ‘ user root password root noipdefault /dev/ ttyMUE0 19200
crtscts
Checking the Connection
Once you have set up a PPP connection, there are some steps you can take to test the connection. First, type:
#/sbin/ifconfig

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