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Router# license boot module c2900 technology-package securityk9 Router(config)# license accept end user agreement Router# reload

If you're not planning to use this IOS image immediately or if you're upgrading your router's IOS: i--- Download C2900-universalk9-mz.spa.157-3.m8.bin --

: Search for "Cisco 2900 Series Integrated Services Routers" or your specific model (e.g., 2911, 2921). 2921). After upgrading

After upgrading, implement these baseline security commands: implement these baseline security commands: