AudioCodes Mediant 4000 SBC User Manual page 680

CHAPTER 32 HA Configuration
The reachability status is displayed in the 'Peer Reachability Status' read-only field:
● "Reachability unverified": The reachability status of the destination is currently
undetermined. In other words, the destination has never replied to the device's pings.
● "Reachable": The device considers the destination as online (reachable). In other words,
the device has received a ping reply from the destination.
● "Not reachable": The device considers the destination as offline (unreachable). In other
words, the number of consecutive failed pings equaled to (or was greater than) that
configured by the 'Ping Count' parameter.
● "Terminated by ping error": The device is unable to send a ping to the destination (typically,
due to a routing issue or incorrect destination address). To resolve the problem, correct
your routing configuration or the address of the destination, and then enter the edit mode of
the HA network monitor row belonging to the destination and click Apply to refresh your
changes.
The 'Ping Loss Percentage' read-only field displays the percentage of pings sent to the
destination that failed to get a reply, in the last five minutes.
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Mediant 4000 SBC | User's Manual