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Cisco Nexus 9000 Series Switch N9K-C92348GC-X
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N9K-C93600CD-GX
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Cisco N540X-16Z4G8Q2C-D: A high-performance router
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$9726 $2212
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C9115AXI-H - Cisco Catalyst 9100 Access Point
C9115AXI-H
$1448 $684
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Cisco C6800-8P40G-XL Catalyst 6800 Series 8-Port 40 Gigabit
C6800-8P40G-XL
$81347 $38800
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Cisco Catalyst 9300 Series Switch C9300X-48TX-E
C9300X-48TX-E
$4181 $2508
-41%
C9200L-48P-4G-E Used Cisco Catalyst 9200L 48-Port PoE+ Switch
C9200L-48P-4G-E
$1612 $950

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IR829-IP54-KIT= - Cisco IR829 Industrial Integrated Services Routers
IR829-IP54-KIT=
ASR-9010-2P-KIT - Cisco ASR 9000 Series Mounting Kit
ASR-9010-2P-KIT
ASR-9010-4P-KIT - Cisco ASR 9000 Series Mounting Kit
ASR-9010-4P-KIT
ASR-9001-2P-KIT - Cisco Router ASR 9001 Mounting Kit
ASR-9001-2P-KIT
ASR-9001-2P-L-KIT - Cisco Router ASR 9001 Mounting Kit
ASR-9001-2P-L-KIT

IOS Upgrade Procedure for Cisco C9300L-48P-4G-E
Jun 03 , 2025 669

TL;DR: switch# show inventory | include PID PID: C9300L-48P-4G-E VID: V05 SN: FCW1234ABCD switch# dir flash: | include bin # Confirm free space >3GBStep 2: Backup Current IOS

Product Video: C9300L-48P-4G-E

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

C9300L-48P-4G-E（水印）.png

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
Tags: cisco Cisco switch

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