PPPoE Recommendations

[Chris]

Thanks Bruce,

That's just what I was looking for.  I will have a very short time to 
get this up and running, so I am trying to learn as mush as I can up 
front.  In all my reading I missed the /etc/ppp/ip-up and ip-up.local. 
  I think you saved me from a lot of extra work and stress.

Bruce McDonald wrote:
> Hello Chris
> 
> On 17-Jun-04, you wrote:
> 
> 
>>I am preparing to setup a pppoe connection on either a RH 9.0 or Fedora 
>>c1 computer.  This computer will have two nics and will act as a gateway 
>>to the world for a internal LAN.    I don't have a lot of experience 
>>with pppoe, so I am looking for recommendations.
> 
> 
> I use Roaring Penguin PPPOE and it works just fine.  I believe that it is
> bundled in RH9, but I was using it before I upgraded so I am a bit hazy on
> what was installed by RH9.  I believe that whatever was bundled with RH9
> should work well.
> 
> 
>>Due to the nature of the connection, I anticipate that I will loose 
>>connectivity on the pppoe link on occasion.  I am looking for a way to 
>>monitor the connection and reconnect when it is lost and also restart my 
>>firewall which will need the newly assigned IP after the reconnect.  I 
>>have already configured the firewall to parse the necessary files to get 
>>the new addresses.
> 
> 
> Connection loss is a given, especially when the ISP is working on their
> systems.
> RP PPPOE does monitor the connection and periodically tries to bring it back
> up when it is down and you did not shut it down.  I would wager that they
> all do that.
> 
> The correct place to restart the firewall when you are reconnected is in
> /ect/ppp/ip-up.local
> 
> The system will always execute the /ect/ppp/ip-up script when the link comes
> up or gets a new IP address.  Ip-up then call the /ect/ppp/ip-up.local
> script which is where you may add things to be done when the link comes up
> or a new address is assigned.
> 
> To start the firewall all you have to do is add a line to execute the
> firewall with the full path.
> 
> Mine looks like:
> # Check if the firewall script exists
> if [ -e /etc/firewall.sh ]
> then
> # If it does. Start it.
>    /etc/firewall.sh
>   echo "Firewalling started." > /dev/console
> else
> # If it doesn't exist, warn.
>   echo "firewall.sh not  found... No firewall runninng." > /dev/console
> fi
> 
> I redirect the echo to the console so that I can see the messages even if I
> am logged out.
> 
> 
>>I have planed to use the adsl-* scripts for the link.  Looking at the 
>>adsl-connect script which is called by adsl-start it looks like it will 
>>monitor the connection and restart if necessary.  It also says it will 
>>execute the file adsl-lost if it exists when it tries to reconnect.  I 
>>thought I could reinitiate the firewall (iptables) there, but am unsure 
>>if it executes that before or after it establishes a new connection.
> 
> 
> It should restart it.
> See above to start the firewall.
> 
> 
>>I also thought I might be able to use the ipwatch script and modify it 
>>for my needs.
> 
> 
>>Maybe an expect script of some kind?
> 
> 
>>Any thoughts?
> 
> 
> 
> Regards,
> Bruce McDonald
> 
> 
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