Cable TV Montgomery Expressnet problems

Cable TV Montgomery Expressnet problems

Post by mb.. » Tue, 27 Jun 2000 04:00:00



I live in Montgomery County and have been unsuccessful in getting it to
work.  I got one hint from the LDP
(http://www.redhat.com/mirrors/LDP/HOWTO/Cable-Modem/index.html) but,
that didnt work.  I followed all the instructions about PAP, adding
routes (except when I execute route add net 10.0.0.0 I get a SICOATTR
error), etc.  I have logged all I can and the most I can figure is that
after my username and password is entered (and pppd reports and serial
connection established) Ex-pressnet comes with Backup Authentication
at which point pppd reports alarm and sends two ^M and a modem hang
up occurs.  I know this has to do with PAP however, I dont know how Ex-
pressnet expects the PAP stuff or if a second Authentication is
occurring because after Backup authentication  Ex-pressnet gives that
gibberish (~&^$%&) that you get just before making a proper PPP
connection, except it just hangs up. Please, is there any help you can
offer me?
I am running RedHat 6.1 on a Pentium 100mhz with a Tulip based Ethernet
card, and a ZOOM ISA PNP modem (fully functional on non cable modem PPP
connections).  Hey I just want my cable modem up so I can use my linux
box as a firewall like I did when I used Earthlink.  Having a win98
machine be my front gate just makes me uncomfortable.
Thanks in advance for any help you can give me.

Sent via Deja.com http://www.deja.com/
Before you buy.

 
 
 

Cable TV Montgomery Expressnet problems

Post by Henrik Carlqvis » Wed, 28 Jun 2000 04:00:00



> I followed all the instructions about PAP, adding routes (except when
> I execute route add -net 10.0.0.0 I get a SICOATTR error), etc.  I

You will not be able to add a route until you have the connection up and
running.

Quote:> have logged all I can and the most I can figure is that
> after my username and password is entered (and pppd reports and
> serial connection established) Ex-pressnet comes with ?Backup
> Authentication? at which point pppd reports ?alarm? and sends two
> ?^M? and a modem hang up occurs.

This probably depend upon what your chat script looks like. Make sure
that your chat-script behaves as you would do if you logged in manually.
Try to log in manually and start ppp from minicom, then you will know
what your chat-script should look like. I have an old chatscript which
looks like this:

-8<----------------------------------------------------------------
#!/bin/sh
#
# This is part 2 of the ppp-on script. It will perform the connection
# protocol for the desired connection.
#
exec chat -v                                            \
        TIMEOUT         3                               \
        ABORT           '\nBUSY\r'                      \
        ABORT           '\nNO ANSWER\r'                 \
        ABORT           '\nRINGING\r\n\r\nRINGING\r'    \
        ''              \rATZ1                          \
        'OK-+++\c-OK'   ATH0                            \
        TIMEOUT         30                              \
        OK              ATDT$TELEPHONE                  \
        CONNECT         ''                              \
        rname:          $ACCOUNT                        \
        sword:          $PASSWORD                       \
        'ipnet>'       ppp

-8<------------------------------------------------------------------

The second column contains answers for prompts in the first column. It
seems as if your script doesn't know what to answer to
"Backup Authentication".

Quote:> I know this has to do with PAP however,

With PAP your script should look a little bit different:

-8<--------------------------------------------------------------
#!/bin/sh
#
# This is part 2 of the ppp-on script. It will perform the connection
# protocol for the desired connection.
#
exec chat -v                                            \
        TIMEOUT         3                               \
        ABORT           '\nBUSY\r'                      \
        ABORT           '\nNO ANSWER\r'                 \
        ABORT           '\nRINGING\r\n\r\nRINGING\r'    \
        ''              \rATZ1                          \
        'OK-+++\c-OK'   ATH0                            \
        TIMEOUT         30                              \
        OK              ATDT$TELEPHONE                  \
        CONNECT         ''
-8<--------------------------------------------------------------

It doesn't contain much, but then you should start pppd with some extra
switches and use a file called pap-secrets.

Example ppp-on:
-8<---------------------------------------------------------------
#!/bin/sh
#
# These are the parameters. Change as needed.
TELEPHONE=1234567       # The telephone number for the connection
ACCOUNT=my_id           # The account name for logon
LOCAL_IP=0.0.0.0        # Local IP address if known. Dynamic = 0.0.0.0
REMOTE_IP=0.0.0.0       # Remote IP address if desired.
NETMASK=255.255.255.0   # The proper netmask if needed

# Export them so that they will be available at 'ppp-on-dialer' time.
export TELEPHONE ACCOUNT

DIALER_SCRIPT=/etc/ppp/ppp-on-dialer.pap

exec /usr/sbin/pppd debug lock modem crtscts /dev/modem 115200 \
        asyncmap 0 kdebug 0 $LOCAL_IP:$REMOTE_IP \
        noipdefault netmask $NETMASK defaultroute connect \
        $DIALER_SCRIPT remotename isp user $ACCOUNT
-8<---------------------------------------------------------------

Example pap-secrets:
-8<---------------------------------------------------------------
# user          server          secret          addrs
my_id           isp             my_secret_password
-8<---------------------------------------------------------------

The above works fine with my modem connections, I suppose it should work
with your cable modem also. For more info, se the file README.linux
which is included with pppd. In Slackware, that file is located in
/usr/doc/ppp-version-number

regards Henrik
--
spammer strikeback:



 
 
 

1. Cable TV Montgomery Expressnet problems

I live in Montgomery County and have been unsuccessful in getting it to
work.  I got one hint from the LDP
(http://www.redhat.com/mirrors/LDP/HOWTO/Cable-Modem/index.html) but,
that didnt work.  I followed all the instructions about PAP, adding
routes (except when I execute route add net 10.0.0.0 I get a SICOATTR
error), etc.  I have logged all I can and the most I can figure is that
after my username and password is entered (and pppd reports and serial
connection established) Ex-pressnet comes with Backup Authentication
at which point pppd reports alarm and sends two ^M and a modem hang
up occurs.  I know this has to do with PAP however, I dont know how Ex-
pressnet expects the PAP stuff or if a second Authentication is
occurring because after Backup authentication  Ex-pressnet gives that
gibberish (~&^$%&) that you get just before making a proper PPP
connection, except it just hangs up. Please, is there any help you can
offer me?
I am running RedHat 6.1 on a Pentium 100mhz with a Tulip based Ethernet
card, and a ZOOM ISA PNP modem (fully functional on non cable modem PPP
connections).  Hey I just want my cable modem up so I can use my linux
box as a firewall like I did when I used Earthlink.  Having a win98
machine be my front gate just makes me uncomfortable.
Thanks in advance for any help you can give me.

Sent via Deja.com http://www.deja.com/
Before you buy.

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