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CISCO IOS Firewall on 1721?

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CaptNeo

Technical User
Jun 4, 2002
49
US
What version should I use to get all firewall feature set? Where could I find the steps to install new version? how do I back the current flash file in case something happens?
 
You will need a version that has IPSec56 or 3DES. to get it on the router tftp the file to flash.
 
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