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Congratulations derfloh on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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Rommon Problem 1720 IOS v12
You've got a blown image. The thing is booting to the baseline, "ROM" based OS, which is fairly stupid. You need to format the builtin sram buffer and load a fresh copy of the OS, then the thing will take a configuration. If you download a copy of the OS over the web,( filename FN)...
