Cisco IOS Firewall Software


IIRC all 831s have firewall software.

It can be quite a daunting task to find out exactly what features a router has even for experienced personnel. In many cases it is easiest just to try out the command and see if the router accepts the command.

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On a Cisco router 831 how can I tell if we have 'Cisco IOS Firewall Software'?

In the white paper 'Cisco 800 Series Routers, Internet Security for Small Businesses' it says the following:

"Cisco IOS Software, the operating system on all Cisco routers, provides the intelligence behind the Internet and the firewall capabilities in router-based, integrated firewall solutions. Cisco IOS Firewall Software, an optional feature set specifically for integrated firewall applications, enriches the basic security capabilities of IOS software with context-based access control (CBAC), a connection-oriented stateful packet inspection system. "

Given then that Cisco IOS Firewall Software is an optional feature how can we tell if our current unit has it or not?

Thanks in advance,

Tom Edelbrok

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Tom Edelbrok

Enter show version at the prompt.

Regards, Christoph Gartmann

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