Right now, I have an alert setup to go out whenever the interface eth0 protocol is down. The problem is, sometimes snmp is dropped temporarily for certain hosts (at random). This snmp drop is by design and cannot be worked around. So, I will get alerts because the snmp cannot be polled, but the server and all it's services are still up. I'd like a simpler way of figuring out if a host is still up... now that I think about it, I guess I can work my triggers so that an alert is sent only if all ports are closed and the eth0 is down. How about the reachability test? IIRC, that relies on pings and response times... is there any way I can use that, or anything else to come up with a more eloquent way of determining if a host is down?
as always, any advice is greatly appreciated!
thanks!
-mike
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