USER GUIDE
EdgeSafe 40G Bypass Modular Network TAP | M40GBP
Version 1.6 Page 119 of 159
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7.6.1.3
Heartbeat active restore select box
When the HB active mode is ON the M40GBP will restore to
Inline (Normal)
state when the heartbeat
packets will be received from the Monitor port.
When HB active mode is OFF the M40GBP preserves its state and no heartbeat packets are generated.
The following actions should be taken to restore the normal operation:
Restore external environment to normal work.
Set the active Bypass select box to inline
Set the HB active mode to on
7.6.1.4
Active bypass select box
When heartbeat active mode is set to OFF the M40GBP stops sending the heartbeats and the Active
Bypass circuitry can be controlled manually by the Active bypass select box to one of the following
modes
Normal (Inline), Active Bypass, TAP, TAPI12, TAPA, TAPAI1, TAPAI2, TAPAI12
or
Linkdrop
mode.
7.6.1.5
HB active expire select box
When heartbeat active mode is ON the M40GBP send heartbeat packets on its monitor ports. If the
M40GBP does not detect the heartbeat packet received from the monitor ports the M40GBP will switch
to
Active Bypass
or
TAP, TAP, TAPI12, TAPA, TAPAI1, TAPAI2, TAPAI12
or
Linkdrop
mode
according to the predefined settings of the HB active expire select box.
7.6.1.6
Heartbeat interval textbox
The M40GBP generates heartbeat packet to monitor PORT0 every “hb_interval” msec. (default - 5, min
- 3, max - 10000). Heartbeat interval should be at least 3 times less than heartbeat hold time.
7.6.1.7
Heartbeat hold time textbox
The M40GBP monitor the received packets on monitor port1, if heartbeat packets do not arrive within
“hb_holdtime” msec, the M40GBP will set the Active Bypass to Bypass/Tap/Linkdrop mode, depend on
active switch expire state .
To secure reliable detection of Application failure, the " hb_holdtime " value should be at least 3 times
the “hb_interval” parameter value. (default - 20, min - 10, max - 50000)
The " hb_holdtime " value is preserved after reset and power off events.
7.6.2 Advanced features configuration area
7.6.2.1
2 port link
The M40GBP supports two ports link. When enabled (on), if one of the network ports link fails it drop
the link on the other network port. Two ports link is disabled (off) by default.
unit.
7.6.2.2
Hb tx dir
Set/Get the heartbeats transmit port. The heartbeats can be transmitted for port mon0, port mon1 or form
both of them (bidir)
7.6.2.3
HB fail
Set /get the HB fail criteria.
