Router/Switches and viruses

[Seek Knowledge <aseeker03 () yahoo com>]

Does anyone have any first-hand experience with a
single infected desktop machine (or windows server for
that matter) taking out a LAN switch? Would anyone
have any stories from the trenches of an infected
machine causing a directly connected router to stop
functioning?

If so, what could be done to prevent such an outage?
What IDS/IPS strategy might one implement to prevent
and or at least detect such an event?

Thanks in advance.
ASeeker

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