HP e-Commerce Server Accelerator sa7120 - Manual (Page 44)

C H A P T E R 3 HP e-Commerce Server Accelerator SA7100/SA7120 User Guide
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Failure Conditions, Fail-safe, and Fail-through
During any failure condition of the SA7100/SA7120, unprocessed
data packets can either pass through or not, depending on whether
Fail-safe or Fail-through mode is enabled. The Fail-through switch is
by default in Fail-safe mode, meaning that during a failure no data
packets will pass from one side of the SA7100/SA7120 to the other.
For details, see “Failure/Bypass Modes” in Appendix B.