How do I detect a duplicate IP address on my network?
Issue
- How to check for a duplicate IP address in the network?
- How do I detect a duplicate IP address on my network?
Error, some other host already uses address
is printed when runningservice network restart
orifup
.- SSH connections breaking then reporting a different key when reconnecting (and/or not accepting the correct password)
- Systems intermittently connectable via IP on the same network subnet
Environment
- Red Hat Enterprise Linux (all versions)
- IP networking
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