Nagios and a Microsoft "cluster"

[Bill Mathews]

We are trying to monitor (with Nagios, of course) a Microsft web server 
set up in a Microsoft "clustered" environment. We have a couple of 
issues, one is that when try to ping the cluster address we see 
duplicate ping responses:

64 bytes from www.example.com (1.2.3.4): icmp_seq=3 ttl=116 time=32.5 ms
64 bytes from www.example.com (1.2.3.4): icmp_seq=3 ttl=116 time=32.8 ms 
(DUP!)

The other issue is that routinely (a few times a day) this site shows as 
down, even though it isn't (confirmed through observation). I am 
somewhat unfamiliar with MS-Clustering but from the description on their 
website it's a lot like any other kind of clustering (we monitor a lot 
of clusters). Anyone every see anything similar? I have some theories 
but none really make a lot of sense in any cluster I am familiar with. 
Thanks in advance for any assistance.

Bill


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