If you have created a backup copy of the Cisco IOS as noted above, you are ready to proceed with these steps.If not, you will need to find another way to obtain the IOS.
Hi, I have recently purchased a second hand cisco 2620 with IOS Version 12.0(7)T, I'm trying to set up IP Routing over IEEE 802.1Q, but as far as I'm aware, I can only do this with a newer IOS version?If so, is there anyway of downloading the update without having a service contract?This takes from two to five minutes depending on the size of flash memory.Once flash is erased, the next message looks like this: program flash location 0x60020000 Flash is now programmed using the uploaded IOS file.Locate the IOS (.bin) file and click it once and then click again to highlight the name of the file.
Right click and copy the filename, then paste it into the above command in rommon.
As long as you are in possession of the IOS, you are in good shape.
If you already own the device, it would be the sensible thing to copy off the IOS just in case your existing copy somehow gets corrupted. There are many articles on the web dealing with this process so I am not really divulging any never-before-seen secrets.
I do recommend that you make sure there is a non-DOA guarantee on the gear, so that you have recourse if it shows up dead.
If you have the option to request a console cable with the purchase (and you don’t already have one) make sure to include that as well.
The next step is to configure a TFTP server which will provide the transfer mechanism of the IOS to the router.