Date: Mon, 11 Jan 1999 10:57:17 +0100 From: Stefano Riva <sriva@alice.it> To: "Waqas Ahmad" <drwaqar@hotmail.com>, freebsd-questions@FreeBSD.ORG Subject: Re: freeBSD bos as a ppp server Message-ID: <3.0.5.32.19990111105717.00a06280@relay.alice.it> In-Reply-To: <199901110927.BAA07909@f12.hotmail.com>
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At 14.27 11/01/99 PKT, you wrote:
>How to use a FreeBSD Box as a ppp server. Any help will be really
>appreciated.
The following is from a detailed e-mail by Michelle Brownsworth. She
helped me a lot two years ago, when I had your same problem. It's about
kernel ppp.
---
(Note: I used COM2, instead of COM1, so make changes accordingly.)
First, as a prelude to recompiling your kernel to support ppp, enable the
ppp device in your kernel config file:
/usr/src/sys/i386/conf/YOURKERNEL
---------------------------------
pseudo-device ppp 1
Next, you need to tell your server to be a gateway:
/etc/sysconfig
--------------
gateway=YES
You'll need to set up a config file:
/etc/ppp/options
----------------
crtscts # Hardware flow control
netmask 255.255.255.0 # netmask ( not required )
206.100.174.68:206.100.174.69 # ip's of local and remote hosts
# local ip must be different from one
# you assigned to the ethernet ( or other )
# interface on your machine.
# remote IP is ip address that will be
# assigned to the remote machine
domain ppp.primelogic.com # your domain
#passive # wait for LCP
modem # modem line
Now configure the following three files, in conformance to your COM setup:
/etc/gettytab
-------------
#
# Additions for a V.32bis or V.34 Modem
# Starting at 57.6 Kbps
#
vm|VH300|Very High Speed Modem at 300,8-bit:\
:nx=VH57600:tc=std.300:
vn|VH1200|Very High Speed Modem at 1200,8-bit:\
:nx=VH300:tc=std.1200:
vo|VH2400|Very High Speed Modem at 2400,8-bit:\
:nx=VH1200:tc=std.2400:
vp|VH9600|Very High Speed Modem at 9600,8-bit:\
:nx=VH2400:tc=std.9600:
vq|VH57600|Very High Speed Modem at 57600,8-bit:\
:nx=VH9600:tc=std.57600:
/etc/ttys
---------
# Serial terminals
ttyd1 "/usr/libexec/getty VH57600" dialup on secure
/etc/rc.local
-------------
# Set hardware (RTS/CTS) flow control for modem port COM2
stty -f /dev/ttyd1 crtscts
The following script, which creates an entry for your PPP connection in the
ARP tables, is called as part of the login process:
/usr/local/bin/ppplogin
-----------------------
#!/bin/sh
/usr/bin/mesg n
stty -tostop
/usr/sbin/pppd proxyarp
Finally, create a ppp user with a path to the above script, so the script
can be exec'd instead of a shell:
ppp:*:2000:2000:PPP Login User:/home/ppp:/usr/local/bin/ppplogin
Your dialer program dials, logs in as userid ppp, issues the password, and
the connection is established. The resulting process and routing info
might be similar to the following:
bash# ps ax | grep ppp
144 d1 Is+ 0:00.06 /bin/sh /usr/local/bin/ppplogin
237 d1 I+ 0:00.03 /usr/sbin/pppd proxyarp
bash# w
11:27AM up 13 days, 20:04, 2 users, load averages: 0.00, 0.00, 0.00
USER TTY FROM LOGIN@ IDLE WHAT
ppp d1 - Wed11PM 1day /usr/sbin/pppd proxyarp
michelle p0 monalisa Thu08PM 14:28 su (bash)
bash# netstat -nr | grep ppp
Routing tables
Internet:
Destination Gateway Flags Refs Use Netif Expire
206.100.124.69 206.100.174.68 UH 3 637 ppp0
206.100.124.68 is the local IP; 206.100.124.69 the remote IP. This is set
up in the /etc/ppp/options pppd config file above.
As far as the configuration of the modems on each end, you're on your own.
---
Stefano Riva
Software Engineer - Systems Administrator
Informazioni Editoriali I.E. Srl
Phone +39-027528400, Fax +39-027528451
Email sriva@alice.it
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