Query on UDP proxy socket using freeradius version 3.0.16

saurabha badhai saurabha.badhai at gmail.com
Fri Jun 16 16:58:08 UTC 2023

Yes customer deployed load balancer based on the source port map to
specific AAA server, Observed source port change for an ongoing
authentication session, access-request is initiated from a different port
after few access-challenges causing the load balancer to send the request
to a different AAA  and then get rejected.

Is this behavior proper and expected, source port change for an ongoing
authentication session ?

On Fri, Jun 16, 2023 at 9:58 PM Alan DeKok <aland at deployingradius.com>

> On Jun 16, 2023, at 12:08 PM, Saurabh <saurabh24sbp at gmail.com> wrote:
> > We deployed freeradius as client which receives radius message from UE/AP
> > and proxy that to external AAA for auth and acct. You think it's 100
> > messages per second.
>   That's fine.
> > Facing one customer issue where even though udp socket is open and
> serving
> > request to a AAA on a source port, observed a new port is open to same
> AAA.
>   Is that causing a problem?
> > My doubt is why a new socket with a new port to same AAA even if there
> is a
> > one already. This behavior seen sometime not always.
>   Why not just say that at the start, instead of asking a bunch of
> unrelated questions?
>   This is how RADIUS works.  It's fine.
>   i.e. If it's working, don't waste your time worrying about it.
>   Do the log messages contain an error?
>   No?  Then it's fine.  Why worry when there's no error?
>   Alan DeKok.
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