If you have issued license right-to-use activate ipservices on 15.2(7)E5, to 12.2(xx) images. The license state data structure is incompatible. A downgrade will result in a switch that only boots IP Base, regardless of your previous entitlements.
: Built for the Catalyst 4500 series modular switches.
: Full support for Nonstop Forwarding with Stateful Switchover (NSF/SSO). When running dual supervisor modules, the standby engine mirrors the active engine’s control plane data, maintaining packet forwarding during an engine failover.
: Pairs two distinct Catalyst 4500E chassis into a single logical network entity. This increases structural link bandwidth and provides sub-second failover times without needing STP loop management.
If a boot attempt fails with a message indicating the file cannot be located despite visible directory output, check for filename case sensitivity. The switch treats uppercase and lowercase characters literally. Ensure the boot variable matches the exact filename as it appears in the directory listing. cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin
Switch# copy sftp://user:password@10.1.1.50/cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin bootflash: Use code with caution.
line. This critical binary file delivers unified, feature-rich networking capabilities (including cryptographic and IP services) for enterprise campus networks.
Supports the convergence of wired and wireless traffic on a single platform, simplifying management through one policy and one network.
: Engineered for the Supervisor Engine 8-E (WS-X45-SUP8-E), leveraging its dual-core 2.2GHz CPU and advanced line-rate hardware forwarding capacities. Feature Sets via Software Activation If you have issued license right-to-use activate ipservices
: Specifies that the binary file is digitally signed and validated (Digitally Signed Program Assessment) to guarantee image authenticity and safeguard against malicious code modifications.
Switch# write memory Switch# reload
verify /md5 bootflash:cat4500es8-universalk9.spa.03.11.05.e.152-7.e5.bin (compare the result against the MD5 hash on the Cisco Software Download page to prevent corruption).
: IOS XE 03.11.05.E, which corresponds to the classic IOS version 15.2(7)E5 (indicated by 152-7.e5 in the filename). : Built for the Catalyst 4500 series modular switches
: Supports Stateful Switchover (SSO) and Nonstop Forwarding (NSF) , ensuring the network remains operational during a supervisor failure.
To transition to the new firmware upon the next reload, alter the system's boot parameters:
Alternatively, Cisco recommends using a USB drive connected directly to the supervisor engine’s USB port for faster and more reliable transfers. The file system name for USB is typically usb0: .