I'm trying to upgrade our switch IOS. I used telnet to connect to the device, had setup the tftp server and started the service, the software was in the TFTP root, and typed copy tftp flash. The file copied over without an issue, but I never got the 'erase flash?' question. The current IOS running is in a sub-directory off the flash 'root'. Looking at a document 'Loading Cisco IOS Software', it's mentioned changing the config register to the value 0x2101. Why is that done? Is it necessary in each case?
When you have enough space in your flash, it will not ask you to delete the old one. Now that you have 2 images on your flash, make sure you point your boot variable to the new IOS before rebooting. No need to change the config register value.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
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In this session you can learn more about Layer 3 multicast and the best
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