Re: (PM) Choicenet experiences

Rene Avi (rene.avi@Austria.EU.net)
Fri, 19 Mar 1999 17:55:24 +0100

At 10:35 AM 3/17/99 -0800, Thomas Kinnen <tkinnen@livingston.com> wrote:

>Rene Avi wrote:
>
>> We=B4ve installed choicnetservers and would like to share opinions about=
it.
>> Anyone using it an a larger scale? We got some probs with the
>> filter-caching algorithm on the PMs.
>
>I've put some good sized loads on the Choicenet server in RADIUS ABM with=
no
>problems. =20
>
>What type of problems are you having?

We tried a basic setup where every user get a dummy-filter automaticly.=20
It forbids RFC1918 adresses and some ports.=20
But after activation the load on the SUNstation increases _a lot_
On a closer look it seems that the portmaster are not caching very
efficiently.=20
In fact they dont cache at all at the current setup.=20

I=B4m quoting my college:

>For explanation, the current caching goes like this:
>The first user logs in, filter is downloaded from the choicenet-server
>and applied to the port. Second user with the same filter logs in, the PM
>looks in his table, finds a filter with the same name and applies it to the
>second port. a.s.o. But when the first user with the same filter logs
>out, the filter is discarded from the PM. But it can.t be really discarded=
=20
>cause other ports are still using the filter. Neverless the PM has to
> download the filter once again when it is requested (eg. the next=20
>user logs in).

I would like to hear of your experiences.=20

tia, Rene Avi
--=20
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