From owner-freebsd-isdn  Sun Aug 15 22:23: 9 1999
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Date: Mon, 16 Aug 1999 07:21:14 +0200
From: Ben Bucksch <ben.bucksch@uumail.de>
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To: Klaus Herrmann <Klaus.Herrmann@gmx.net>
Cc: freebsd-isdn@FreeBSD.org
Subject: Re: dynamic provider ip
References: <19990716121943.1281.rocketmail@web905.mail.yahoo.com> <99071716170200.00347@wunderland>
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> > My isp has a dynamic ip. What can I do ?
> ifconfig isp0 0.0.0.0 0.0.0.1 ...
> just use 0.0.0.1 as provider ip.

I tried to use that, but with both using a static gatewayor 0.0.0.1 as
"provider ip", netstat shows gateway and destination swapped:

Destination        Gateway        Flags     Refs     Use    Mtu 
Interface
195.125.130.33     default        UH          0        0      - isp0
or
0.0.0.1            default        UH          0        0      - isp0

I got no connection. So I wrote the following script to change that:

route delete default
ifconfig isp0 delete -link1 down
spppcontrol isp0 myauthproto=pap myauthname="..." myauthsecret="..."
ifconfig isp0 0.0.0.0 0.0.0.1 netmask 0xffffffff link1
sleep 5
route delete default
route add default `ifconfig isp0 | sed -n 2p | sed "\:inet:s///" |sed
"\:--> 0.0.0.1 netmask 0xffffffff:s///"`

After that, it seems to work.

Although, I have to run the script twice. After the first run, I only
get 0.0.0.1 as gateway.

I don't know, if I'm misunderstanding something (I'm new to unix, as you
can see from my use of the "red" editor :-)).

Ben


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