I am currently studying towards the CCNA Security certification but I have come across a few commands in the Cisco Press Certification guide which I cannot get to work. I am using a Cisco 857W ISR router running IOS version 12.4.15T9
The first couple are to do with creating a resilient IOS configuration as per below:
Router (config)# secure boot-image
Router (config)# secure boot-config
None of the above commands work or seem to be supported. I understand that you require a router with a PCMCIA slot in order to create a resilient image but wouldn’t the commands still be available?
The other commands are to do with the additional security enhancements:
Router (config)# security password min-length
Router (config)# security authentication failure rate
These commands do not work either and it would appear that there is not even a “Router (config)# security” option available.
Am I doing something wrong or has anybody seen this before? Any help would be much appreciated as I am starting to get very confused.
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