1. Comparison between Cisco ISR G2 Routers
The Cisco ISR G2s are part of the Cisco Borderless Network Architecture that enables business innovation and growth across all remote sites. Cisco Integrated Services Routers Generation 2 (ISR G2) Family are including Cisco 1900 Series Routers secure services-rich router for a small branch, Cisco 2900 Series Routers services-rich router for medium-sized branch and Cisco 3900 Series Routers services-rich router for medium-to-large branch.

2. Model Comparison of the Cisco ISR G2
*LAN Switching counts for the Cisco 2911 through Cisco 3945 and Cisco 3945E routers based on latest generation of switch service modules
** Up to 2 GB available for use; upgrade to 4 GB available in future
*** Scales to documented phone support in rebuild

3. Model Comparison of the Cisco ISR G2
*LAN Switching counts for the Cisco 2911 through Cisco 3945 and Cisco 3945E routers based on latest generation of switch service modules
** Up to 2 GB available for use; upgrade to 4 GB available in future
*** Scales to documented phone support in rebuild

4. Conclusion
With the specific comparison, you may get clear understanding on them and know how to choose the products to meet your networking requirements. You can log into or you can contact our sales to get more information on Cisco Networks solutions.