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IOS Upgrade Procedure for Cisco C9300L-48P-4G-E
Jun 03 , 2025 98

IOS Upgrade Procedure for Cisco C9300L-48P-4G-E

Step 1: Pre-Upgrade Checklist

switch# show inventory | include PID  
PID: C9300L-48P-4G-E   VID: V05  SN: FCW1234ABCD  
switch# dir flash: | include bin  # Confirm free space >3GB

Step 2: Backup Current IOS

Primary backup via TFTP  
switch# copy flash:cat9k_iosxe.old.bin tftp://192.168.10.100/  

! Fallback to USB (if TFTP fails)  
switch# copy flash:cat9k_iosxe.old.bin usbflash0:

Step 3: Transfer New IOS

Use FTP for large files (enable FTP server first)  
switch(config)# ip ftp username admin  
switch(config)# ip ftp password ********  
switch# copy ftp://admin@192.168.10.100/cat9k_iosxe.new.bin flash:

Step 4: Configure Boot Paths

switch(config)# no boot system  # Clear old paths  
switch(config)# boot system flash:cat9k_iosxe.new.bin  
switch(config)# boot bootloader flash:cat9k_iosxe.old.bin

Post-Upgrade Validation

switch# show version | include RELEASE  
17.12.01a, RELEASE SOFTWARE (fc3)  # Confirm version  
switch# test poe module 1  # Validate PoE controllers

Next: Cisco Catalyst C9300L-24T-4G-A: Next-Gen Switching for Agile Enterprises

Tags: cisco Cisco switch

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​IOS Upgrade Procedure for Cisco C9300L-48P-4G-E Jun 03 , 2025 98

IOS Upgrade Procedure for Cisco C9300L-48P-4G-E

IOS Upgrade Procedure for Cisco C9300L-48P-4G-E
Jun 03 , 2025 98