The Cisco 2921 Integrated Services Router, model CISCO2921 K9-DC, is a modular Cisco ISR that ships with HWIC-16A and WIC-1AMV2 interface cards. This configuration provides flexible WAN connectivity options on a compact platform, leveraging the included interface modules to tailor network access without replacing the base router. As part of the Cisco 2921 family, it supports routing functionality with expandable service capabilities through compatible IOS software and additional cards as network needs evolve.
