topic Re: Upgrading to IOS firewall in Network Security https://community.cisco.com/t5/network-security/upgrading-to-ios-firewall/m-p/1065276#M914701 <HTML><HEAD></HEAD><BODY><P>Normally, the IOS upgrade will leave your config intact.</P><P></P><P>The hard part will be implementing the firewall rules.</P><P>I suggest you first deploy them on secondary HSRP router and test them with two computers, one on each side ( both pointing to the physical IP of the secondary router).</P><P>When the rules are ready, copy them to the primary.</P><P></P><P>Please rate if this helped.</P><P></P><P>Cheers,</P><P>Daniel</P></BODY></HTML> Tue, 12 Aug 2008 16:33:36 GMT 5220 2008-08-12T16:33:36Z Upgrading to IOS firewall https://community.cisco.com/t5/network-security/upgrading-to-ios-firewall/m-p/1065275#M914694 <P>folks</P><P></P><P>i have a HSRP router pair on my perimeter which i'm going to upgrade to a firewall pair so i can take advantage of active/standby and for better management</P><P></P><P>has anyone enable the firewall on a working router before?</P><P></P><P>will i lose any of my config?</P><P></P><P>thanks to anyone taking the time to reply</P> Mon, 11 Mar 2019 13:29:55 GMT https://community.cisco.com/t5/network-security/upgrading-to-ios-firewall/m-p/1065275#M914694 mulhollandm 2019-03-11T13:29:55Z Re: Upgrading to IOS firewall https://community.cisco.com/t5/network-security/upgrading-to-ios-firewall/m-p/1065276#M914701 <HTML><HEAD></HEAD><BODY><P>Normally, the IOS upgrade will leave your config intact.</P><P></P><P>The hard part will be implementing the firewall rules.</P><P>I suggest you first deploy them on secondary HSRP router and test them with two computers, one on each side ( both pointing to the physical IP of the secondary router).</P><P>When the rules are ready, copy them to the primary.</P><P></P><P>Please rate if this helped.</P><P></P><P>Cheers,</P><P>Daniel</P></BODY></HTML> Tue, 12 Aug 2008 16:33:36 GMT https://community.cisco.com/t5/network-security/upgrading-to-ios-firewall/m-p/1065276#M914701 5220 2008-08-12T16:33:36Z