|NOTE: This product is no longer being sold and might not be supported. View the End-of-Life Notice to learn:
The Cisco 4000 Series defines the standard for modular access routers, offering a broader set of connectivity features and a more powerful internetworking software set than any other modular router system in the market. The modularity of the 4000 Series offers connectivity choices migration paths that protect legacy system investments as network needs evolve.
(All Cisco 4000 Series Routers Bulletins)
End-of-Life and End-of-Sale Notices
(All Cisco 4000 Series Routers End-of-Life and End-of-Sale Notices)