Cisco Firepower 4100 Series Manual - Halaman 11

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Halaman Cetak

Overview

Note

Make sure you have the correct firmware package and software version installed to support this network

module. For instructions on how to verify your firmware package version and to upgrade the firmware if

necessary, see the

FXOS Compatibility

Note

The FPR4K-NM-4X40G is NEBS-compliant.

Figure 9: FPR4K-NM-4X40G

Hardware Bypass Network Modules

Hardware bypass (also known as fail-to-wire) is a physical layer (Layer 1) bypass that allows paired interfaces

to go into bypass mode so that the hardware forwards packets between these port pairs without software

intervention. Hardware bypass provides network connectivity when there are software or hardware failures.

Hardware bypass is useful on ports where the Firepower security appliance is only monitoring or logging

traffic. The hardware bypass network modules have an optical switch that is capable of connecting the two

ports when needed. The hardware bypass network modules have built-in SFPs.

Hardware bypass is supported only on a fixed set of ports. You can pair Port 1 with Port 2, Port 3 with Port

4, but you cannot pair Port 1 with Port 4 for example.

Cisco Firepower 4100/9300 FXOS Firmware Upgrade

for the software compatibility matrix.

Captive screw/handle

Ethernet X/1

Ethernet X/3

Hardware Bypass Network Modules

Guide. See

Cisco Firepower 4100/9300

Network activity LEDs

• Off—No connection or port is not in use.

• Amber—No link or network failure.

• Green—Link up.

• Green, flashing—Network activity.

Ethernet X/2

Ethernet X/4

Overview