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Indicator Definitions
Chapter 7 Managing and Viewing Indicators 223
Errors
Failures for Load Balancers
Failures for VPNs
Reported for interfaces (MIB-II)
Description When a packet is received, it may be classified as invalid before being stored in the
device’s internal memory. Similarly, when a packet is sent by a device, it may be
judged as invalid when it passes through the interface or is impossible to send due
to external reasons. These instances are referred to as packet errors.
Units errors per hour
Default
thresholds
none
Points to check same as those for CRC errors, collisions, and resets
Reported for load balancers or physical servers
Description number of times the device or server shuts down
Units shutdowns per hour
Default
thresholds
minimum 0–maximum 0
Points to check None
Reported for VPNs
Description number of failures for the VPN
Units failures per hour
Default
thresholds
minimum 0–maximum 0
Points to check the VPN