Yes. We would see the traffic on other machines, but we would not see  
multicast traffic coming into the machine we were using to aggregate  
metrics.  Restarting gmond would get the traffic flowing back in.

-- ReC
On Nov 17, 2009, at 4:17 AM, River Tarnell wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Rick Cobb:
>> We had the same problem with gmond 3.0.4 on Solaris 10 / x86.  As far
>> as we were able to debug, it's a bug in Solaris itself, and
>> particularly with the interaction between IGMPv3 support in the  
>> kernel
>> and switches that only do IGMPv2. The only workarounds we were able  
>> to
>> use were unicast, or restarting gmond quite often on the machines we
>> had gmetad talking to.
>
> if this were the case, would a visible symptom be that 'snoop' running
> on the gmond hosts would not see any traffic from other systems?  in  
> our
> case, we can see the gmond traffic, the running gmond just ignores it
> for some reason.
>
>       - river.
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