[TriLUG] Odd Network problem

[Jim Ray]

> Starting this morning, it has been randomly unable to ping various boxes
> on
> our network.  That is, until you ping the nagios server from the
> "unpingable"
> server.   Then Nagios can ping that server all it wants.
> 
> This is all local network, no routing involved.
> 
> Any idears as to what could be causing this?  (This is a simple switched
> network, and other than this seems to be working fine.)

[JR> ] bad cable?  Bad nic?  I dunno and am just guessing.  However, you're
at such a low layer in the network model that you can eliminate lots o
stuff.  Good luck.