isakmp key not hidden, but in clear text?

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Apr 7th, 2009
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Anyone know why the isakmp key is not hidden on the router?


from show run:


crypto isakmp key 6 1234567890 address 1.1.1.1


When configured:


ice-nyc-rtr-01(config)#crypto isakmp key ?

0 Specifies an UNENCRYPTED password will follow

6 Specifies an ENCRYPTED password will follow

WORD The UNENCRYPTED (cleartext) user password


ice-nyc-rtr-01(config)#crypto isakmp key 6 ?

WORD The HIDDEN user password string


ice-nyc-rtr-01(config)#crypto isakmp key 6

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Ivan Martinon Wed, 04/08/2009 - 06:13
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  • Cisco Employee,

The string "1234567890" when entered after the 6 is already the encrypted key of the password, in other words, if you enter "crypto isakmp key 0 1234567890" what goes after the '0' is a plain text key. When you enter "crypto isakmp key 6 1234567890" the string after 6 is supposed to be already encrypted when you type it.


Hope this is clear.

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