Make sure you have sufficient flash memory on your router to hold the new IOS image and enough RAM to run it. Upgrading the IOS can sometimes require a higher amount of RAM.
This version (12.4(15)T14) is noted for its stability in specialized deployment scenarios where the Cisco 3725 remains in use. Key Features of this IOS Image Image Type: Advanced Enterprise Services ( adventerprisek9 Functionality: c3725adventerprisek9mz12415t14image download verified
: Includes Firewall, Intrusion Prevention System (IPS), and 3DES/AES encryption for VPNs. Voice/Data Make sure you have sufficient flash memory on
To ensure the integrity of your download, verify the file against these standard parameters: Intrusion Prevention System (IPS)