To check your license right on the switch, use the command:
Before upgrading to this image, verify the following on your switch:
Switch# verify /md5 flash:c3560-ipservicesk9-mz.150-2.SE11.bin Use code with caution. c3560ipservicesk9mz1502se11bin
The 15.0(2)SE maintenance release train is designed for stability. Maintenance releases like focus strictly on fixing software bugs, resolving memory leaks, and patching critical security vulnerabilities (PSIRTs).
Tell the switch to load the new firmware image upon the next system boot. To check your license right on the switch,
: Check if the switch flash file system has enough space to hold the uncompressed image (typically requires at least 15–30 MB).
: Version 15.0(2)SE11 specifically includes robust IPv6 features like RA Guard and DHCPv6 Guard to block rogue network traffic. The Review: Old School Meets End-of-Life Elegance Tell the switch to load the new firmware
: Specifies the IP Services feature set. This provides enterprise-level Layer 3 routing protocols and high-security capabilities (the "k9" designates strong cryptographic features like SSH and HTTPS).
Switch# copy tftp: flash: Address or name of remote host []? <TFTP_SERVER_IP> Source filename []? c3560-ipservicesk9-mz.150-2.SE11.bin Destination filename [c3560-ipservicesk9-mz.150-2.SE11.bin]? <Press Enter>
: Shaped Round Robin (SRR) and Strict Priority Queuing.