I upgraded my CISCO 857 to the latest IOS version (see above), and the following command now gives a "Configuration Failed!" error:
ip nat inside source list 100 interface Dialer0 overload
I originally used the SDM to create the config on 12.4(6) and then updated. Interestingly enough 12.4(9)T2 works OK, the error starts to appear on any of the 12.4(11) releases.
Has the command been depreciated? Is there another command to do the same thing?