Improved traffic prioritization for voice and video applications. IPv6 Support: Full support for IPv6 routing and management. 3. When to Use This Image
: Refers to the Catalyst 3850 and 3650 "Converged Access" architecture.
Disable HTTP/HTTPS management, use SNMPv3 with ACLs, and restrict SSH access to management VLANs only. cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin
switch(config)# crypto key generate rsa modulus 4096 switch(config)# ip ssh version 2 switch(config)# ip ssh server algorithm encryption aes256-ctr
: This is a "Universal" image that contains all features. The When to Use This Image : Refers to
To prevent booting a corrupted file, verify the MD5 checksum of the transferred file against the checksum provided on the official Cisco Software Download portal.
series (specifically the "Converged Access" architecture used by the 3850 and 3650). universalk9 The To prevent booting a corrupted file, verify
Depending on your license level, this image supports advanced routing protocols. It handles foundational Layer 2 switching alongside complex Layer 3 routing, including OSPF, EIGRP, BGP, and PBR (Policy-Based Routing). High Availability and Stacking
Understanding the filename is crucial for ensuring you are using the correct software. The naming convention follows Cisco's standard for IOS-XE bundle files and breaks down as follows:
For a stack, the image should be copied to the flash of the active switch. Then, use the command software auto-upgrade to enable automatic image distribution to all stack members, or manually copy the image and packages to each member's flash.
Switch# software install file flash:cat3k-caa-universalk9.spa.03.06.10.e.152-2.e10.bin new switch 1-1 Use code with caution.