topic Re: how to enable the FW in Network Security https://community.cisco.com/t5/network-security/how-to-enable-the-fw/m-p/1030414#M938750 <HTML><HEAD></HEAD><BODY><P>Firstly you need to check that your IOS supports Firewalling.</P><P></P><P>Do a sh ver and post the output in here.</P><P></P><P>Jon</P></BODY></HTML> Thu, 24 Apr 2008 17:28:56 GMT jon.humphries 2008-04-24T17:28:56Z how to enable the FW https://community.cisco.com/t5/network-security/how-to-enable-the-fw/m-p/1030413#M938749 <P>Hi,</P><P></P><P>I setup the router 1811 with IOS feature set. I use the SDM to config the interface (FE0 and FE1). when I config the "firewall" and "NAT", it shows that "it is unable to config the firewall" or "it is unable to config the NAT". </P><P></P><P>I such add following:</P><P></P><P>- FE0: ip address 172.16.1.1 /24 (WAN)</P><P>- FE1: ip address 192.168.3.3/24 (LAN)</P><P>default route 0.0.0.0 0.0.0.0 172.16.1.2</P><P></P><P>I keep the VLAN to be 10.10.10.1</P><P></P><P>How do I enable the Firewall?</P><P></P><P>rdgs</P><P></P><P></P> Mon, 11 Mar 2019 12:36:14 GMT https://community.cisco.com/t5/network-security/how-to-enable-the-fw/m-p/1030413#M938749 anitachoi3 2019-03-11T12:36:14Z Re: how to enable the FW https://community.cisco.com/t5/network-security/how-to-enable-the-fw/m-p/1030414#M938750 <HTML><HEAD></HEAD><BODY><P>Firstly you need to check that your IOS supports Firewalling.</P><P></P><P>Do a sh ver and post the output in here.</P><P></P><P>Jon</P></BODY></HTML> Thu, 24 Apr 2008 17:28:56 GMT https://community.cisco.com/t5/network-security/how-to-enable-the-fw/m-p/1030414#M938750 jon.humphries 2008-04-24T17:28:56Z