Instruction Manual

Section 2: Install SMU
Software Maintenance Update (aka “patch”)
WARNING:
• Only routers and switches running IOS-XE support SMU.
• Router(s) & switch(es) running “classic” IOS do not support SMU.
• IMPORTANT: Always treat SMU update as disruptive (reboots the switch/stack).
• IMPORTANT: SMU file is platform-specific.
• IMPORTANT: SMU file is version-specific.
Image (above): Sample SMU filename
Image (above): Sample of a failed SMU install due to hardware mismatch.
Image (above): Sample of a failed SMU install due to incompatible version
Proceedure
1. Read the Release Notes very carefully.
2. Usually, SMU firmware have a filename extension of “bin”.
3. Copy the SMU file into the switch.
4. Install the SMU:
install add file flash:SMU_filename.bin activate commit
WARNING: Immediately after entering “y” may/will cause the router &/or switch to reboot.
5. Verify the SMU has been successfully installed.
• Fast Method: sh version | begin Active SMU