How to turn off L3 routing on 6509

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Sep 19th, 2007
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I need to turn of L3 routing on my 6509 with SUP32 running native IOS 12.2SX Enterprise Services.

I am used to using the command "no ip routing" to accomplish this; however, that command does not appear in global config mode. I checked the Cisco Command Reference Guide for release 12.2.SX; where it is not listed either.

Does anyone know how I can turn off L3 routing in this switch??

Thanks in advance for your input.


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Edison Ortiz Wed, 09/19/2007 - 20:14
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See Bug Code ID CSCee69124 at:


"no ip routing" is a classical IOS command which is to disable IP routing

on routers. This command is usually used on low-end routers, on cat6k

this command doesn't make sense and should be blocked. However, this command

is useful for some internal testing, so the decision is to make it internal

for cat6k only. As a result of this change , command will not be saved across reload if entered.


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