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Cisco Part Number: FPR4K-XNM-6X25SRF is a Cisco Secure Firewall 4200 6X25G FTW Netmod, SR-Multimode
The Secure Firewall 4200 chassis includes two network module slots, labeled NM-2 and NM-3 from left to right on the front panel. These slots support optional, removable I/O modules that add additional ports or alternative interface types, enhancing connectivity options. The network module inserts directly into the chassis via the front panel, where both slot locations are situated for easy access. See the front panel diagram for precise positioning of these network module slots on the chassis.
The FPR4K-XNM-6X25SRF hardware bypass network modules offer six ports, arranged in pairs (1-2, 3-4, 5-6) to enable hardware bypass. In this mode, data bypasses processing by the Secure Firewall 4200 and routes directly to the paired port. The module includes built-in SFP transceivers but does not support hot-swapping or field replacement of these transceivers.
Hardware bypass, also referred to as fail-to-wire, is a Layer 1 feature that enables paired interfaces to enter bypass mode, allowing direct packet forwarding between the ports without software intervention. This ensures continuous network connectivity in the event of software or hardware failures. It is particularly beneficial for ports where the firewall is only monitoring or logging traffic. The network modules equipped with hardware bypass include a switch that links the ports as necessary, and they come with integrated SFPs for enhanced functionality.
The Cisco Secure Firewall 4200 Series is an advanced firewall solution tailored to fulfill the security needs of large enterprises, data centers, and service providers. It comes in three distinct performance models, providing a variety of options while ensuring exceptional threat protection within a compact 1 RU form factor.
