Date: Wed, 27 May 1998 22:46:46 -0700 (PDT) From: Julian Elischer <julian@whistle.com> To: Purwanto Nugroho <purwanto@te.ugm.ac.id> Cc: freebsd-questions@FreeBSD.ORG, purwanto@hotmail.com Subject: Re: FreeBSD <--> Linux PLIP connection Message-ID: <Pine.BSF.3.95.980527224222.4245A-100000@current1.whistle.com> In-Reply-To: <Pine.LNX.3.96.980528120638.11064A-100000@server.te.ugm.ac.id>
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from tne man page for the lpt port lp interface,
you need the link0 flag to ifconfig
(see below)
man 4 lp
LP(4) FreeBSD Kernel Interfaces Manual (i386 Architecture)
LP(4)
NAME
lp - printer port Internet Protocol driver
SYNOPSIS
ifconfig lp0 myaddress hisaddress [-link0]
device lpt0 at isa? port? tty irq 7 vector lptintr
DESCRIPTION
The lp driver allows a PC parallel printer port to be used as a
point-to-
point network interface between two similarly configured systems.
Data
is transferred 4 bits at a time, using the printer status lines for
in-
put: hence there is no requirement for special bidirectional hardware
and
any standard AT-compatible printer port with working interrupts may
be
used.
The lp driver is implemented as an integral part of the lpt driver,
and
will automatically be present in a kernel configured with Internet
sup-
port and at least one lpt device. During the boot process, for each
lpt
printer device which is probed and has an interrupt assigned, a
corre-
sponding lp network device is created. Available devices are
announced
with a message such as:
lp0: TCP/IP capable interface
[...]
The communication protocol is selected by the link0 flag:
-link0 (default) Use FreeBSD mode (LPIP). This is the simpler
of
the two modes and therefore slightly more efficient.
link0 Use Crynwr/Linux compatible mode (CLPIP). This mode has
a
simulated ethernet packet header, and is easier to
interface
to other types of equipment.
On Thu, 28 May 1998, Purwanto Nugroho wrote:
> Hi..:)
>
> I wanna ask you about PLIP connection.
>
> I've installed FreBSD 2.2.6 on my desktop and want to connect it
> to my Linux notebook via PLIP.
>
> I have no problem connection Linux <--> Linux with PLIP
>
> but when i try to connect it via PLIP it didn't work.
>
> i dont use any ethernet card on my desktop.
>
> i simply executing command:
> ifconfig lp0 my.desktop.ipaddr my.notebook.ipaddr
>
> and ifconfig -a is:
>
> lp0: flags=8851<UP,POINTOPOINT,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> inet my.desktop.ipaddr --> my.notebook.ipaddr netmask 0xffffff00
>
> netstat -rn is:
> Destination Gateway Flags Refs Use Netif
> my.notebook.ipaddr my.desktop.ipaddr UH 0 0 lp0
>
>
>
> On my Linux notebok i simply executing commands:
>
> ifconfig plip1 my.notebook.ipaddr pointopoint my.dekstop.ipaddr netmask
> 255.255.255.0
>
> my route command:
> route add my.notebook.ipaddr plip1
> route add my.desktop.ipaddr plip1
>
> route is:
> Destination Gateway Genmask Flags Ref Use Iface
> my.dekstop.ipaddr * 255.255.255.255 UH 0 0 plip1
> my.notebook.ipaddr * 255.255.255.255 UH 0 0 plip1
>
>
>
> but the setting i did above didn't establish the connection between
> my Linux & FreeBSD.
>
> I use standar PLIP cable... i've used it many times to connect
> linux <--> linux
>
> Is there anything wrong with my setting? or maybe the PLIP cable config
> for FreeBSD is different from PLIP cable for Linux?
>
>
> please help me to solve this problem.
>
>
> Thank you very much in Andvance.. :)
>
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Purwanto Nugroho
> purwanto@te.ugm.ac.id
> purwanto@hotmail.com
> EleCtRicAl.EngIneErInG@GadJah.MadA.UnVerSItY.YogYAkArtA
>
>
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