[c-nsp] LAC - Disable Accounting messages just for L2TP users

[Victor Lyapunov]

Hello Arie

I have tried this command but without luck. The "vpdn tunnel accounting network"
seems to controll the generation of accounting
Tunnel-Start/Tunnel-Stop and Tunnel-Reject
(codes 9, 10, 11) accounting type messages, not the Start and Stop
(code 1 and 2).

So when vpdn tunnel accounting network is enabled using radius, the
LAC generates
Tunnel-Start/Tunnel-Stop in addition to Start and Stop accounting messages.

If vpdn tunnel accounting network is configured to null, Tunnel-Start
and Tunnel-Stop are
indeed suppressed but Start and Stop are still generated by the LAC. I
was wondering
(and trying - without success)  if using the sss - subscriber-profile
commands would help
me

Thanx for your help
Victor.

On Sat, Jan 24, 2009 at 9:49 PM, Arie Vayner (avayner)
<avayner at cisco.com> wrote:
> Victor,
>
> Try looking at this command:"vpdn tunnel accounting network"
> http://www.cisco.com/en/US/docs/ios/vpdn/command/reference/vpd_v1.html#w
> p1013076
>
> Arie
>
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Victor Lyapunov
> Sent: Saturday, January 24, 2009 11:00
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] LAC - Disable Accounting messages just for L2TP users
>
> Hello all
>
> I am trying to perform some tests where a Cisco router takes up the
> role of a LAC, forwarding PPP calls
> to the appropriate LNS according to the domain name provided by the
> user.
> At the same time this LAC must be able to localy terminate PPP
> sessions offering internet services to
> subscribers. I have used a fairly simple config like the
>
> aaa group server radius SUBS
>  server a.b.c.d auth-port 1812 acct-port 1813
>  throttle accounting 150
>  load-balance method least-outstanding
> !
> aaa authentication ppp SUBS group SUBS
> aaa authorization network SUBS
> aaa accounting network SUBS
>  action-type start-stop
> aaa accounting network default none
>
> vpdn-group <l2tp-domain>
>  request-dialin
>  protocol l2tp
>  domain <l2tp-domain>
>  initiate-to ip x.x.x.x
>  source-ip y.y.y.y
>  local name LAC
>  l2tp tunnel password 0 cisco
>
> bba-group pppoe PPPOE
>  virtual-template 10
>
> interface Virtual-Template10
>  ip unnumbered Loopback0
>  peer default ip address pool PPP_POOL_1
>  ppp authentication pap SUBS
>  ppp authorization SUBS
>  ppp accounting SUBS
>
>
> The problem is that for the users that are localy terminated we need
> radius accounting. On the other hand
> no accounting is required for the L2TP forwarded users. Still the
> router generated accounting Start / Stop
> messages for these VPDN users creating extra load for the radius server.
>
> Is there a way to differentiate the accounting between VPDN and localy
> terminated subscribers? Specificaly disable
> accounting for L2TP fordwarded users and at the same time use radius
> accounting for localy terminated subscribers.
>
> Any help is welcomed
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