When I run a "show ip nat translations" I get a table of traffic that's been NATTED and to where that traffic was headed. The question I have is - how long do these translations live before they expire?
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Only active ones.
If you look in the note is says TCP sessions that see a FIN or RST are 1 minute. So if they are closed they will be cleared in 1 minute.
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1-5 minutes unless you change them.
It looks like TCP is actually set to default to 24 hours:
..and your article confirms that.
I found the verbose switch on the command "show ip nat trans" and that confirmed the 24 hours of persistence in the table.
Thank-you - great point.
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