C2851-35UC/K9

What are the main features of the Cisco 2851 ISR router?

The Cisco 2851 ISR router includes PVDM2-48, NME-CUE, 35 CME/CUE/Ph licenses, and SP services with 128MB Flash/512MB DRAM.

How cost-effective is the Cisco 2851 ISR for small businesses?

The Cisco 2851 ISR is highly cost-effective, combining voice, data, and video capabilities in one router, reducing the need for multiple devices.

What are the ideal application scenarios for the Cisco 2851 ISR?

Ideal for small to medium-sized businesses needing integrated services such as voice, security, and data routing.

How do I install the Cisco 2851 ISR router?

Follow the Cisco installation guide to mount the router, connect power and network cables, and configure initial settings via the console port.

Does the Cisco 2851 ISR require regular upgrades?

Yes, to maintain optimal performance and security, firmware and software upgrades are recommended periodically.

Are there any alternative products to the Cisco 2851 ISR?

Yes, alternatives include other Cisco ISR models like 2900/3900 Series for higher performance requirements.

What accessories are available for the Cisco 2851 ISR?

Accessories include additional PVDM modules, power supplies, and memory upgrades, among others.

How does the Cisco 2851 ISR compare with other Cisco ISR 2800 Series routers?

The 2851 offers more memory and voice capabilities compared to entry-level models like the 2811, making it suitable for more demanding applications.

What common troubleshooting steps should I follow for the Cisco 2851 ISR?

Check power connections, verify interface configurations, and consult the Cisco troubleshooting guide for detailed steps.

How do I use the Cisco 2851 ISR for unified communications?

The router supports up to 35 Unified Communications licenses, integrating voice, messaging, and video services within a single network infrastructure.