I have a 4215 which needs to be upgraded to 6.x code. current config: Cisco Systems Intrusion Detection Sensor, Version 4.1(4)S91
OS Version 2.4.18-5smpbigphys-4215
is there white-page for upgrading from this low of code level?
The minimum required version for upgrading to 6.0 is 5.1. The minimum required version for upgrading to 5.1 is 5.0 The upgrades from Cisco 5.1 to 6.0 and Cisco 5.0 to 5.1 are available as a download from Cisco.com.