Interfaces on two systems report "Link is down" at the exact same time
Issue
- A NIC on two systems when down at the same time. It has occurred more than once, and both will go down at the exact same time every time. What could cause this?
- Note that these two servers are part of a cluster.
- Are there any OS-level issues which would cause two links on two systems to go down at the same time?
Environment
- Red Hat Enterprise Linux (RHEL) 7
- Red Hat Enterprise Linux (RHEL) 8
- Red Hat Enterprise Linux (RHEL) 9
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