Duplicating Accounting Requests / accounting to multiple locations

Alan DeKok aland at deployingradius.com
Wed Dec 14 17:45:17 CET 2011

Florian Lohoff wrote:
> A "duplicate" policy would be what i was looking for. Acknowledge the
> packet to the sending NAS and sending requests to all final systems
> and waiting for their acknowlegde.

  This can be done.

> A limit in queue or storage capacity
> would be acceptable e.g. max 1000 requests outstanding and front dropping
> afterwards.

  That's difficult to do.

> I have found the "copy-acct-to-home-server" virtual site which makes me
> wonder about the imposed delay by writing the accounting records to disk
> and reading again for forwarding. Sounds like a strange solution - a bit
> like UUCP store and forward copy ...

  Yes.  It's the ONLY way to reliably replicate accounting packets.  You
need to handle the situation of the RADIUS server going down, or the
home server being down for extended periods of time.  Only logging to a
file will handle that.

  Alan DeKok.

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