multiple parents

[Sam Terburg]

We have a ring network.
     -----
     | A |
     -----
    |     |
 -----   -----
 | B |   | C |
 -----   -----
    |     |
     -----
     | N |
     -----

meaning that if one router goes down, the computers behind it are still
reachable via the other side of the ring.
in the diagram above N=Nagios.
A has parents B & C.
how will nagios handle the unreachability of host A?
wil it report 'host a unreachable' when both B & C are down (which is
correct) or as soon as just one them is down or doesn't nagios support
multiple parents at all?

and what if both B & C are down, but A is still up and reachable via a
transit line (thus outside our ring).


Greetings,

Sam Terburg
Operations @ Luna.nl


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