Forum Discussion
starboy
Cirrus
CirrusHealth Monitors
Hi everyone
I have 2 ltm_https pool members. i used gateway_icmp health monitor for the pool and none for the nodes however the pool and virtual servers became available while the nodes are unknown e...
Lee_Sutcliffe
Nacreous
NacreousHealth monitors filter up from the node, to the pool to the vip. So if you do not have a monitor at the node level, their status will not be passed to the pool level monitor. This is why your VIP and pool are showing 'green'
Good practice is to enable ICMP monitoring at a node level and have a more specific monitor at the pool level - such as an HTTPS monitor.
If ICMP fails at the node level, it will filter up to the pool level monitor and mark it down, which in turn will mark down the VIP
