Cisco ISR 4431 4GE 3NIM 8G Flash 4G DRAM | OS Upgrade Licensing — CON-L14OS-U240M5C1

Keep your branch router aligned to the software path it needs with Cisco ISR 4431 licensing. This entitlement is tied to the ISR 4431 platform configuration with 4 Gigabit Ethernet ports, 3 network interface module slots, 8 GB flash, and 4 GB DRAM. For infrastructure teams, that matters because software access is often what determines whether a deployed router can continue to meet security, routing, and operational requirements without a hardware refresh. This type of licensing is a practical choice when the platform itself is still the right fit, but the organization needs to maintain or extend software capability in a controlled way. It helps procurement preserve capital already invested in the edge while giving operations a clear path to keep the router aligned with current requirements. That is especially useful in branch environments where downtime is expensive and standardization across sites reduces support overhead. Rather than replacing a functioning ISR 4431, this licensing option supports a more measured lifecycle strategy: keep the hardware, maintain the software path, and avoid unnecessary disruption at the network edge. For teams managing distributed sites, that balance can be the difference between routine maintenance and a costly refresh cycle. Ideal For Extending software capability on an installed Cisco ISR 4431 Maintaining branch router alignment without replacing hardware Supporting controlled upgrades across distributed network sites Preserving capital investment in an existing ISR 4431 deployment Why This Product 1 Supports software lifecycle management for Cisco ISR 4431 2 Helps avoid unnecessary hardware replacement at the edge 3 Matches a branch router with 4 GE and 3 NIM slots 4 Useful for controlled upgrades in distributed environments