When did subnet-zero become a hidden command?

Unanswered Question
Apr 20th, 2009

What IOS release introduced "ip subnet-zero" and "ip classless" as hidden commands?


This seems to have started sometime around 12.4(10) and 12.4(11)T1.


We check to see if both of these commands are present for config compliance. Routers running recent images fail the compliance check. I would like to write a rule checking for the image version, before stating the device is not in compliance.

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Joe Clarke Mon, 04/20/2009 - 09:43

It looks like these commands are no longer written to the running config as of 12.4(5)and 12.4(5)T per CSCsa75635.

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