Reply Facebook Twitter Reddit LinkedIn. Tim Tritsch. Tim 18 years in IT. Main Areas of Contribution:. Track Progress. Earn Credits. Step 2: Insert drive in the USB port on the back of the switch.
Step 4: Tell switch to boot to the new IOS - and reboot. Step 6: Remove USB drive from switch. WestelCS Feb 18, at pm. Bradford Mitchell Jul 30, at pm. Tim Jul 31, at pm. I used this guide to flash a new switch today. Thanks for the helpful post! Taca Nov 19, at pm. Used this today as well. Thank you, very good instructions.
One point of note, Step 4 seems to be missing some text in the command, at least for the You have: switch config boot system ce-universalk9-mz. Thanks for your feedback! I also had to tweak the command in Step 4, but not like Shelzmike You have: switch config boot system ce-universalk9-mz. Ma3stro Nov 1, at pm. I did notice that you didn't specify in the final step: : boot system flash:[filename] Since I'm the most entry level guy on my team I specified flash, just to be safe.
This was a helpful find for me. Shrek Dec 10, at pm. Read these next For other operating system s, a number of TFTP or rcp applications are available from independent software vendors or as shareware from public sources on the World Wide Web. Make sure that the image supports your hardware and software features, and that your router has enough memory to run the image. For example, use the copy rcp flash command instead of the copy tftp flash command.
Step 1 Establish a console session to the router. Do this with either a direct console connection or a virtual Telnet connection. A direct console connection is preferred over a Telnet connection, because a Telnet connection gets lost during the reboot phase of the software installation. The console connection is made with a rolled cable usually a flat black cable , and connects the console port of the router to the COM port of the PC. Open Hyperterminal on the PC, and use the following settings:.
Ping the router access server to verify that a network connection exists between them. Step 3 Copy the new software image from the TFTP server to the router access server using the following commands:.
Note Cisco recommends that you keep a copy of the router or access server configuration before upgrading the router or access server software. Step 5 When prompted, enter the filename of the Cisco IOS software image to be installed, as in the following example:. Step 6 Specify the destination filename:.
This is the name the new software image will have when it is loaded onto the router. The image can be named anything, but common practice is to enter the UNIX image filename. Step 7 Erase the Flash device before confirming:.
Enter yes to erase the existing software image resident in the router's Flash memory before copying the new one. Enter no to keep the existing software image. Be sure that you have enough Flash memory to keep both. The copying process requires several minutes; the time differs from network to network.
During the copying process, messages are displayed to indicate which files have been accessed. The exclamation point "! Each exclamation point indicates that ten packets have been transferred successfully. A checksum verification of the image occurs after the image is written to Flash memory. Step 8 Before reloading, verify the correct installation and commands. Verify that the image is properly installed and that the boot system commands point to the proper file to load.
To reload the image, type:.
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