RADIUS/PPPoE Dead Connections

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Hi Jeremy

You may want to try adding

 enable echo
 enable lqr echo
 set lqrperiod 15

to your ppp.conf

man ppp may also help

This will close the ppp session if the customer connection drops and radius 
should then send the accounting data
You should be getting your accounting data regardless, when the session 
expires.

You will need to provide more info as to how you have your radius setup if 
that doesnt work

Regards

Tim

----- Original Message ----- 
From: "Jeremy Tregunna" <jtregunna at blurgle.ca>
To: <freebsd-isp at freebsd.org>
Sent: Thursday, December 21, 2006 1:14 AM
Subject: RADIUS/PPPoE Dead Connections


>
> I've got a FreeBSD NAS and a FreeBSD RADIUS server (both running 6.1) 
> serving up access to a wireless network. In any event, everything  seems 
> to work peachy when a user logs in and disconnects manually.  But if for 
> instance, someone closes the lid on their laptop and their  wireless card 
> powers off due to standby mode, the connection to the  NAS is broken and 
> the disconnect request never makes it from the NAS  to the RADIUS server 
> to inform it that the client went offline.
>
> Now then, I'm not so much worried about that stale entry staying on  the 
> RADIUS server until the user tries to log in again (I don't care  much 
> about time used, only bandwidth numbers); but ultimately it  would be nice 
> to have one of two solutions:
>
> (1) A user tries to log in when he's already logged in, have it 
> disconnect that user and then log in; or
> (2) Have the NAS send a Disconnect-Request to the RADIUS server when-- 
> as in the above example--someone closes the lid on their laptop.
>
> An idle timeout isn't a workable solution for me, neither is a  session 
> timeout; I need both to have no fixed limit for all clients.
>
> My ppp.conf file is basically defined as:
>
> ### ppp.conf begin
>
> default:
>   set log Chat Command Phase
>   enable pap
>   allow mode direct
>   enable proxy
>   disable ipv6cp
>   set radius /etc/radius.conf
>   set mru 1492
>   set mtu 1492
>   accept dns
>
> ### end ppp.conf
>
> The relevant users portion is like:
>
> DEFAULT Auth-Type := System
>         Service-Type := Framed-User,
>         Framed-Protocol := PPP,
>         Framed-IP-Address := 192.168.8.50,
>         Framed-IP-Netmask := 255.255.255.0,
>         Framed-Routing := Broadcast-Listen,
>         Framed-MTU := 1492
>
> And the relevant portions of attrs is like:
>
> DEFAULT
> Service-Type == Framed-User,
> Framed-Protocol == PPP,
> Framed-MTU == 1492,
> Framed-Filter-ID =* ANY,
> Reply-Message =* ANY,
> Session-Timeout == 0,
> Idle-Timeout == 0,
> Port-Limit <= 2
>
> Any assistance would be greatly appreciated.
>
> Regards,
>
> Jeremy Tregunna
>
>
>
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