What does it mean when an event like the one below is seen on the...

The event message:

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2024-04-04T08:35:38.312254+00:00 ICX-Core-1 hpe-vaxd[2167]: Event[701|LOG_INFO|AMM1/1|VSX2 state local up, remote down]

indicates that the local VSX member is up, but the remote VSX member is down. In a VSX pair, both switches must be operational for full redundancy and synchronization.

This log means the secondary VSX switch (remote) is down or unreachable, causing loss of synchronization and possibly traffic failover issues.

Option B (keepalive detection) is related but the event specifically shows the state of the remote switch being down.

Options C and D refer to LAG or interface state, which are not what this log entry describes.