Date: Sat, 25 May 2002 17:54:12 +0200 (CEST) From: Lukas Ertl <l.ertl@univie.ac.at> To: freebsd-mobile@freebsd.org Subject: PPP over IrDA Message-ID: <20020525173424.F374-100000@leelou.in.tern>
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Hi -mobile,
I'm trying to setup a PPP connection via the IrDA port of my Thinkpad and
a Nokia 6210. I'm using the birda port for this and I start it like this:
# ircomm -d /dev/cuaa1 -r -y /dev/ptyp7
The Nokia is detected, and then I'm trying to run ppp with a ppp.conf
like this:
----8<----
default:
set log Phase Chat LCP IPCP CCP tun command
ident user-ppp VERSION (built COMPILATIONDATE)
set speed 115200
set timeout 180=09=09=09# 3 minute idle timer (the default)
enable dns=09=09=09=09# request DNS info (for resolv.conf)
uniir:
set device /dev/ttyp7
set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \
\"\" AT OK-AT-OK ATE1Q0 OK \\dATDT\\T TIMEOUT 40 CONNECT"
set phone PHONENUMBER
set authname USERNAME
set authkey PASSWORD
set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0
add default HISADDR # Add a (sticky) default route
disable mppe
----8<----
Ok, it works. PPP connects, I get my IP address and a default route and
everything looks fine. But then I can't do anything with this connection,
there are packets going out, but there a only a few packets coming back
in. I discovered the following:
*) DNS works, hostnames are resolved correctly.
*) traceroute works, I can see every hop.
*) ping works only when run with "-s 10" or lower (otherwise the requests
are going out, but nothing ever comes back in).
*) Every other connection runs into a timeout, and this is probably
because the packets sent back are too large, as the ping example
implies.
I've already tried setting the MTU to minimum in ppp.conf, but that didn't
help either. So I'm stuck, and I don't know which knobs to tweak to get
that thing running. Any hints?
regards,
le
--=20
Lukas Ertl eMail: l.ertl@univie.ac.at
UNIX-Systemadministrator Tel.: (+43 1) 4277-14073
Zentraler Informatikdienst (ZID) Fax.: (+43 1) 4277-9140
der Universit=E4t Wien http://mailbox.univie.ac.at/~le/
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