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To: <cipe-l,AT,inka,DOT,de>
Subject: Problem to set up cipe through ppp0
From: "Daniel Wild" <cipemails,AT,vde,DOT,uni-saarland,DOT,de>
Date: Tue, 7 Oct 2003 11:29:53 +0200

Hello list,
 
I have a problem to set up a tunnel through my ppp0. I hope this is the right place for asking such installation problems.
My problem in detail:
 
I use SuSE8.2 on a Petium133MHz. I have a DSL connection to the internet with ppp0 as my extern device. All internet services work fine. Now I try to set up a cipe tunnel through the internet. I don't use any pkcipeat the moment.
 
My /etc/cipe/options:
 
ptpaddr         192.168.203.40
ipaddr          192.168.203.2
debug
# my UDP address. Note: if you set port 0 here, the system will pick
# one and tell it to you via the ip-up script. Same holds for IP 0.0.0.0.
me              80.131.100.249:41001
# mtu     1492
#dynip
peer            134.96.3.27:41000
key             3248fd20adf9c00ccf9ecc2393bbb3e4
I tried things like static route on ppp0 .....
I tried mtu < 1500 too, because of DSL, but nothing happend.
 
If I start cipe, he searches the peer host, prompt a few points after it an means, no route to host, like this:
server:~ # /etc/init.d/cipe start
Starting CIPE daemon
for peer 134.96.3.26................  Error: No route to peer.                         skipped
server:~ #
My routeing looks like this:
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
217.5.98.35     *               255.255.255.255 UH    0      0        0 ppp0
192.168.0.0     *               255.255.255.0   U     0      0        0 eth1
192.168.202.0   *               255.255.255.0   U     0      0        0 eth0
default         217.5.98.35     0.0.0.0         UG    0      0        0 ppp0
eth1 is my ppp over ethernet device and eth0 my intern device.
Now I tried to set cipe up intern. I replaced me with my 192.168.202.1 (server IP) an peer with a IP out of the same subnet , and cipe worked perfect. But I want to have a tunnel through the internet.
 
I checked traffic with iptraf and ethereal. If I test cipe with my eth0, I see the UDP traffic on port 4100x. If I set the ppp0 IP as me, and anny internet host as peer, there are no UDP Packets on any device, not on ppp0 , not on eth0 or eth1.
Wat's my fault?
 
A long description, but it's everything I tried.
 
Thank you very much for your help,
 
Daniel

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