I am trying to TURBOBOOT from a usb on the CRS16 PRP cards but have been unsuccessful. I have read all the installation guides and follow it verbatim and still come up short. ALl the pre requirements for the upgrade have been met. My ROMMMON is 2.06 and my ios-XR is 4.0.3. I am upgrading the XR to 4.2.4. I can upgrade using TFTP just fine. Same commands and file with TFTP. With the usb drive method, it will not come up. i have tried TURBOBOOT with and without (format) and still get the same results.
Here are some logs to see if you can help me....
rommon 14 > dir disk2: disk2:\Directory of: disk2:\
I don't think that's mediaboot works for CRS (at least it was not the case in the past).
I personally performed the exact same operation than Jimmy in the past, successfully.
May be you should try with the latest rommon (I see that 2.07 is listed in the chart as the one for 4.2.4, you should go to 2.08 directly). Also you should give a try at a different USB stick. Finally, you should check the MD5 and file integrity too.
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