2811 ios question

Answered Question
Feb 28th, 2007

Hi,

I am upgrading our 2610 router to 2811 and I finished moving manually all the configuration to the new 2811. I am noticing that some of command that I have type in where not visible after I type "sh run" like; ip subnet-zero,ip classless, no ip finger but CLI took them in when I executed those commands. Is this some kind of default in 2811(12.4(13r)T.?

Thanks,

I have this problem too.
0 votes
Correct Answer by answanso about 9 years 7 months ago

That is correct, the commands are still enabled, but are no longer parsed into the config.

Anthony

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purohit_810 Wed, 02/28/2007 - 08:05

Hi,

Basically you cannot use 2600 IOS into 2800.

Second, ip subnet-zero command default enable.

Regards,

Dharmesh

georgecisco01 Wed, 02/28/2007 - 08:49

Hi,

2600 IOS was not being use for 2800. (2811)It has been upgraded to 12.4(13r)T.

Secondly, Should I assume that ip subnet-zero,ip classless are default enable as well?

Also, is there some kind of white paper that indicates all the default enable/disable commands for a certain version/model?

Thanks,

answanso Wed, 02/28/2007 - 22:40

Those commands are no longer nvgen'd into the configuration. I know because I filed the bug to do it :) Here is the bug id:

CSCsa75635

Internally found moderate defect: Resolved (R)

ip classless and ip subnet-zero should not be nvgen in 12.4

This was resolved as of 12.4(5) and later. They were long time defaults and as such should not be nvgen'd into the config.

georgecisco01 Thu, 03/01/2007 - 05:36

Hi,

This made sense now so If i have another router (3640) that need IOS upgrade to 12.4(13r)T all the ip classless and ip subnet-zero that are visible in "sh run" should disappear after successfully upgraded and reboot. Right?

Thanks a bunch.

Correct Answer
answanso Thu, 03/01/2007 - 08:07

That is correct, the commands are still enabled, but are no longer parsed into the config.

Anthony

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