Cisco 2800 Series IOS Guide
Part Number	Product Name	Supported Platform
S28IPB	Cisco 2800 IP Base	Cisco 2801
S28NIPBK9	Cisco 2800 IP Base K9	Cisco 2801
S28IPV	Cisco 2800 IP Voice	Cisco 2801
S28NIPVK9	Cisco 2800 IP Voice K9	Cisco 2801
S28ASK9	Cisco 2800 Advanced Security K9	Cisco 2801
S28EB	Cisco 2800 Enterprise Base	Cisco 2801
S280EBK9	Cisco 2800 Enterprise Base K9	Cisco 2801
S28SPSK9	Cisco 2800 SP Services K9	Cisco 2801
S280ES	Cisco 2800 Enterprise Services without Crypto	Cisco 2801
S28ESK9	Cisco 2800 Enterprise Services K9	Cisco 2801
S28AISK9	Cisco 2800 Advanced IP Services K9	Cisco 2801
S28AESK9	Cisco 2800 Advanced Enterprise Services K9	Cisco 2801
S28NIPB	Cisco 2800 IP Base	Cisco 2811, 2821, 2851
S28NIPV	Cisco 2800 IP Voice	Cisco 2811, 2821, 2851
S28NIVS	Cisco 2800 Int Voice/Video: GK, IPIP GW, TDMIP GW	Cisco 2811, 2821, 2851
S28NAVSK9	Cisco 2800 Int Voice/Video: GK, IPIP. GW, TDMIP GW AES	Cisco 2811, 2821, 2851
S28NASK9	Cisco 2800 Advanced Security K9	Cisco 2811, 2821, 2851
S28NEB	Cisco 2800 Enterprise Base	Cisco 2811, 2821, 2851
S28NEBK9	Cisco 2800 Enterprise Base K9	Cisco 2811, 2821, 2851
S28NSPSK9	Cisco 2800 SP Services K9	Cisco 2811, 2821, 2851
S28NES	Cisco 2800 Enterprise Services	Cisco 2811, 2821, 2851
S28NESK9	Cisco 2800 Enterprise Services K9	Cisco 2811, 2821, 2851
S28NAISK9	Cisco 2800 Advanced IP Services K9	Cisco 2811, 2821, 2851
S28NAESK9	Cisco 2800 Advanced Enterprise Services K9	Cisco 2811, 2821, 2851
S28NSNAK9	Cisco 2800 Advanced Enterprise Services with SNA switching software	Cisco 2811, 2821, 2851

Because the Cisco 2800 Series routers are modular devices, interface configurations are easily customized to accommodate a wide variety of network applications, such as branch-office data access, integrated switching, voice and data integration, wireless LAN services, dial access services, VPN access and firewall protection, business-class DSL, content networking, intrusion prevention, inter-VLAN routing, and serial device concentration. The Cisco 2800 Series provides customers with the industry's most flexible, adaptable infrastructure to meet both today's and tomorrow's business requirements for maximum investment protection.