Using the adventerprisek9 feature set on a 15.2(1)T release provides a robust suite of tools:
The file is a specific Cisco IOS Software image designed for the Cisco 2800 Series Integrated Services Routers (ISR). Specifically, this image is tailored for the "NM" (Network Module) variants, such as the Cisco 2811, 2821, and 2851 routers. c2800nm+adventerprisek9+mz+152+1+t+bin
: Full support for IPv6 routing and security, which was a major focus of the 15.x release branch. Hardware Requirements and Compatibility Using the adventerprisek9 feature set on a 15
: Indicates the hardware platform. This image is built for the Cisco 2800 series "Next Generation" architecture. such as the Cisco 2811
Updating the boot system marker: boot system flash c2800nm-adventerprisek9-mz.152-1.T.bin .