The software image represents one of the final and most comprehensive feature sets for the legacy Cisco 2800 Series Integrated Services Routers (ISR G1). As an "Advanced Enterprise Services" image, it packs virtually every available feature for the platform into a single binary, ranging from high-end security to advanced voice and data services. Core Specifications and Image Naming
: Full support for Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST), allowing the router to act as a PBX for IP phones. c2800nm adventerprisek9 mz 152 1 full
: Support for full BGP, OSPF, EIGRP, and complex MPLS (Multiprotocol Label Switching) deployments. The software image represents one of the final
: Indicates the image runs from RAM ( m ) and is compressed ( z ). : Support for full BGP, OSPF, EIGRP, and
: Specific to the Cisco 2800 Network Module-compatible chassis (2811, 2821, and 2851).
: Robust encryption support including AES (128, 192, 256-bit) , 3DES, and DES. It enables advanced firewalling, Intrusion Prevention Systems (IPS), and high-capacity VPN tunneling.