![]() If you are not doing it install Nagios, and monitor your switches. On a side note, you should be using some software to monitor your switch status. In the above delete command, /f stands for force, and /r stands for recurssive. So, delete the current old image from the flash card. Since we’ll be downloading the new ISO image and moving it to the flash card, we need some space. After we download the IOS image and move it to the switch, we’ll verify the MD5 checksum before installing the image. While you are on this download page, copy/paste the MD5 given to your system. Go to -> IOS Software -> Select your Siwtch (for example: Cisco Catalyst Switch 3750G-24T) -> Click on “Download IP BASE” -> Select the latest version that you want to download (for example: 12-2.55.SE1). Download Latest IOS Image from Cisco Websiteĭownload the latest IOS image for your cisco website As you see below, it is using “12.3(35)SE5” # show ver Most likely this will be same as the current IOS image file that you see in your flash card. Verify what version of IOS image your switch is currently running. # dir flash1:Īs you see above, both the flash cards contains the current IOS image file, which is version “122.35.SE5” If you have only one cisco catalyst switch (non stack mode), follow all the steps mentioned in this document, but you’ll be doing it only on one flash card.įirst, verify the content of the flash cards, using “dir flash1:” command. Switch# Role Mac Address Priority Version State Switch/Stack Mac Address : 0012.abcd.1234 So, while upgrading you should upgrade the image on both the flash cards. This example uses two cisco catalyst 3750 switches configured in stack mode as shown below. Verify Current IOS VersionĪfter you login, go to enable mode, by entering the enable password. However this examples shows how to upgrade ios image on a cisco catalyst switch. Please note that the steps given below will be similar to both switches and routers. Use a console cable to connect to the switch. Since you’ll be upgrading the IOS image, make sure you have physical access to the switch and you are in front of it. This article explains 7 easy steps to upgrade IOS image on a cisco switch or router. You should now have a TFTP server installed, with a valid Cisco IOS software image.Anytime Cisco releases a new IOS image for its network switch (or router), it is recommended that you upgrade it. ![]() ![]() If you do not yet have a Cisco IOS software image, or if you are not sure that the image you have meets all the necessary requirements, see How to Choose a Cisco IOS Software Release on. Make sure that the image supports your hardware and software features, and that your router has enough memory to run the image. You also need to have a valid Cisco IOS software image for your router.Step 2 Download the Cisco IOS software image onto your workstation or PC. The TFTP Server application included on the software feature pack CDs is also available on .Ĭ. 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. Note The TFTP server included on the software feature pack CD-ROM can be used on a PC running Windows 95. Most TFTP applications provide a setup routine to assist in these configuration tasks. This is the directory in which the Cisco IOS software images are stored (see Step 2 below). Configure the TFTP application to operate as a TFTP server, as opposed to a TFTP client.ī. After the application is installed, a minimal level of configuration must be performed.Ī. Perform these steps prior to installing or upgrading Cisco IOS software:Ī TFTP server or a RCP server application must be installed on a TCP/IP-ready workstation or PC. The information in this document describes Cisco IOS Release 11.2 or later. This appendix explains how to install Cisco IOS software onto "run-from-RAM" Cisco routers using a TFTP server or remote copy protocol (rcp) server application. Sample Output-Cisco uBR7200 Series RouterĬopying a System Image from One Device to AnotherĬopying from Device to Device Inside the Same Router Installing or Upgrading Cisco IOS Software Installing or Upgrading Cisco IOS Software Table Of Contents
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