IntroductionModular Platform Supporting T1/E1 SpeedsThe Cisco 1841 Integrated Services Router provides the following support:Wire-speed performance for concurrent services at T1/E1 WAN ratesEnhanced investment protection through increased performance...

IntroductionCisco XR 12000 Series routers combine the unparalleled innovation of Cisco IOS XR Software with the investment protection of the Cisco 12000 Series to offer secure virtualization, integral service delivery, continuous system operation, an...

IntroductionFoundation for the IP Next-Generation NetworkThe Cisco CRS-1 Carrier Routing System (PDF - 2.1 MB) is the industry's only carrier routing system offering continuous system operation, unprecedented service flexibility, and system longevity...

IntroductionDynamic Personalized IP Services at the Network EdgeDeploy high-performance IP (Internet Protocol)/MPLS features as well as scalable personalized IP services at the network edge, improve operational efficiency, and maximize return on netw...

Introduction                                                                                                        The Cisco 2811 Integrated Services Router is part of the Cisco 2800 Integrated Services Router Series which complements the Integrated...