Motorola RFS7000 Series Reference Manual page 281

6.1.10 no
Crypto ISAKMP Config Commands
Use this command to negate a command or set its defaults.
Syntax
no <previous command used>
Parameters
Use the commands that you have configured under this instance.
Example
RFS7000(config-crypto-isakmp)#no lifetime
RFS7000(config-crypto-isakmp)#
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