Installing or upgrading the C7200-adventerprisek9-mz.152-4.s2.bin file on a Cisco 7200 series router involves several steps:
On IOS 15.x, you may need to set the license level:
Once your 7200 router is running, try these:
verify /md5 flash:c7200-adventerprisek9-mz.152-4.s2.bin (on the router)
While this image is popular for network labs and CCIE studies due to its stability in Dynamips, it still requires a legal license for use. 5. Security Warning Downloading