C2800nm Adventerprisek9 Mz 152 1 — [verified] Full

: Support for Cisco Unified Communications Manager Express (CME) and Survivable Remote Site Telephony (SRST) to manage IP phones. System Requirements for 15.1(4)M12a

: Indicates the image runs from RAM ( m ) and is compressed using zip ( z ). c2800nm adventerprisek9 mz 152 1 full

: Advanced Enterprise Services Feature Set. This is the "full" image. It includes all functionalities of IP Base, IP Services, and Advanced IP Services, plus advanced features like MPLS, VRF, and advanced security. mz : Indicates the image runs from RAM and is compressed. : Support for Cisco Unified Communications Manager Express

Running this image transforms a 2800 series router into a high-functionality enterprise branch router. 1. Advanced Security This is the "full" image

Because the 2800 is EOL, Cisco requires a valid service contract to download the image from Cisco.com. – they often contain backdoored images. If you lack a contract, use this for lab learning on physical hardware already licensed.

| Model | Minimum DRAM | Required Flash | Can run 15.2(1)? | | :--- | :--- | :--- | :--- | | Cisco 2801 | 512 MB | 128 MB | (but limited features) | | Cisco 2811 | 512 MB | 128 MB | Yes | | Cisco 2821 | 512 MB | 128 MB | Yes (recommended) | | Cisco 2851 | 768 MB | 256 MB | Yes (best performance) |

After reboot: