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Webcast-Catalyst9k
New Member

how to know the ios don't support some command you can't type before you upgrade ios?

  my customer need to change new topology. i use my office cisco router unit to lab simliarly. i know the ios is different, so i upgarde ios same as my customer. but if i use the key word "iskmp" "cisco" , i can't find cisco's support or document to state "c3745-ipbasek9-mz.124-25d" no "iskmp" comand. can someone let me know where page statment the ios support what comman or not?

thanks!

1 REPLY
Purple

how to know the ios don't support some command you can't type be

Hi,

"iskmp" is not a valid command, I suppose you meant "crypto isakmp", if you want to know which IOS supports which feature and on which platform then use Cisco feature navigator. if you want to know when a command was introduced then use the command reference guide.

Regards

Alain

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