[cisco-voip] Unicast MOH and MRG Round Robin

[Anthony Holloway]

Another anonymous user asked if my MOH servers are in the same MRG. Yes,
they are. This person then asked if I could put two in one MRG and two in
another MRG and both MRGs in one MRGL. I have already manipulated the MRG
to prove that each server does work and serve MOH. My problem is that
within a any given MRG, my MOH servers do not round robin for the same
sampleaudio source.

On Friday, November 1, 2013, Anthony Holloway wrote:

> All,
>
> I have read and re-read the sections on MOH  and MRG[L]'s and I still
> cannot seem to figure this one out.
>
> I have an MRG with four MOH servers. The phones are using the sampleaudio
> MOH. Only one MOH server in my MRG has streams active. It's currently at
> 140 streams according to RTMT. The remaining three show 0 active streams.
>
> Traces show the one MOH server being selected all the time, as the first
> resource in the group, to be sent an allocation request, and it responds;
> therefore, it gets used. The remaining MOH servers go unused.
>
> I have proven that each of the three idle MOH servers do work, by removing
> all but one MOH server from the MRG, and sequentially testing each one.
>
> I'm starting to doubt my understanding of MRG resource selection as it
> pertains to MOH. I'm looking for confirmation or clarification on how this
> works.
>
> CUCM version is 8.6(2a). Thanks for looking.
>
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