![]() ![]() Personally, I rather prefer possibility to save configuration to mobility feature. It could not be a big issue because many users use either VMware or Qemu to run Cisco IOU CCIE LiveCD. There is only one disadvantage of it - you cannot boot your physical PC with the Qemu image because it a considered as a virtual machine and not Live CD. In this case, changes in configuration file in NVRAM are kept after restart of the Qemu image but don't forget to call copy running-config startup-config command on router. I decided to avoid this "hostile" behavior and I installed live CD with CDlinux containing Cisco IOU images to the Qemu image. ![]() ![]() As we know information stored in RAM is not kept when power is removed. It is logical because the live CD containing CDlinux is loaded to the RAM thus all the changes are done in RAM of PC. Even there is a presence of the NVRAM file for each of the routers, these NVRAM files keep changes only if LiveCD is not restarted. In other words, your way to CCIE certification can be done with extremely low budget.Īlthough the author of the CD claims that configuration of routers presented on CD should be saved, they are many users on the web complaining about this behavior. Thanks to low CPU requirement, old computers can use this CD without necessity of buying expensive hardware. There is a complete CCIE R&S v4 topology presented inside a single bootable CD using Cisco IOS-On-UNIX (IOU) images.
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