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Cisco 4000 Series ISR Software Configuration Guide
The guide covers all aspects of software configuration for Cisco 4000 Series Integrated Services Routers (ISRs). It includes chapters on accessing the CLI, using management interfaces, Smart Licensing, high‑availability features, PoE management, and CallHome services.
With detailed command references, configuration examples, and troubleshooting tips, the document serves as a comprehensive resource for network engineers and administrators working with the 4000 Series ISR platform.
Cisco 4000 Series ISR specifications
| Supported Series | Cisco 4000 Series ISR |
|---|---|
| Compatible Modules | NIM-2FXO, NIM-4FXO, NIM-2FXS, NIM-4FXS, NIM-2FXS/4FXO, NIM-4E/M, NIM-2BRI -NT/TE, NIM-4BRI -NT/TE |
| Minimum Software Version | Cisco IOS XE 3.13.3 |
Source: Cisco 4000 Series ISR NIM Voice Network Interface Module Product Leaflet
All Cisco 4000 Series ISR documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
Which Cisco ISR series supports the NIM?
The NIM is supported on the Cisco 4000 Series ISR, while the 2900 and 3900 series do not support it.
From: Cisco 4000 Series ISR NIM Voice Network Interface Module Product Leaflet
Do these modules require a separate DSP module?
No, the FXO, FXS, E/M, and BRI NIMs have on-board DSPs and do not require a dedicated PVDM.
From: Cisco 4000 Series ISR NIM Voice Network Interface Module Product Leaflet
How can I access the CLI using a router console?
You can access the CLI by connecting a console cable to the router’s console port and using a terminal program.
What is the procedure to install or upgrade the software on a 4000 Series ISR?
The guide provides step‑by‑step instructions for installing and upgrading the software, including ROMMON images, provisioning files, and flash storage handling.