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1-Gb Network Module with Hardware Bypass
Note
There are three configuration options for hardware bypass network modules:
• Passive interfaces—Connection to a single port.
• Inline interfaces—Connection to any two like ports (10 Gb to 10 Gb for example) on one network module,
• Inline with hardware bypass interfaces—Connection of a hardware bypass paired set.
Note
For More Information
1-Gb Network Module with Hardware Bypass
The following figure shows the front panel view of the 1-Gb network module with hardware bypass
(FPR-NM-8X1G-F). Pair ports 1 and 2, 3 and 4, 5 and 6, and 7 and 8 to form hardware bypass paired sets.
Cisco Firepower 4112, 4115, 4125, and 4145 Hardware Installation Guide
16
When the appliance switches from normal operation to hardware bypass or from hardware bypass back to
normal operation, traffic may be interrupted for several seconds. A number of factors can affect the length of
the interruption; for example, behavior of the optical link partner such as how it handles link faults and
debounce timing; spanning tree protocol convergence; dynamic routing protocol convergence; and so on.
During this time, you may experience dropped connections.
For each network segment you want to monitor passively, connect the cables to one interface. This is
how the nonhardware bypass network modules operate.
across network modules, or fixed ports.
For each network segment you want to monitor inline, connect the cables to pairs of interfaces.
For each network segment that you want to configure inline with fail-open, connect the cables to the
paired interface set.
For the 40-Gb network module, you connect the two ports to form a paired set. For the 1/10-Gb network
modules, you connect the top port to the bottom port to form a hardware bypass paired set. This allows
traffic to flow even if the security appliance fails or loses power.
If you have an inline interface set with a mix of hardware bypass and nonhardware bypass interfaces, you
cannot enable hardware bypass on this inline interface set. You can only enable hardware bypass on an inline
interface set if all the pairs in the inline set are valid hardware bypass pairs.
• See
1-Gb Network Module with Hardware Bypass , on page 16
module.
• See
40-Gb Network Module with Hardware Bypass , on page 18
network module.
• See
1-Gb SX/10-Gb SR/10-Gb LR Network Module with Hardware Bypass , on page 19
description of the 1-GB SX, 10-GB SR, and LR network modules.
• See
Install, Remove, and Replace the Network Module, on page 55
and replacing single-wide network modules.
Overview
for a description of the 1-Gb network
for a description of the 40-Gb
for a
for the procedure for removing
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