topic Same Security levels on multiple interfaces in Network Security https://community.cisco.com/t5/network-security/same-security-levels-on-multiple-interfaces/m-p/1348227#M751275 <P>Why should one keep same security levels on multiple interfaces on Cisco Firewalls? What could be the impact? I was under the impression that same security level cannot be given on multiple interfaces, but i came across a configuration,and had to change my assumption. Just want to understand the best practice and the impact if we configure the interfaces in such a way that 2 interfaces have sec-level 60, 2 have sec-level 80 with remaining as inside and outside...</P> Mon, 11 Mar 2019 16:55:37 GMT mohsin.khan 2019-03-11T16:55:37Z Same Security levels on multiple interfaces https://community.cisco.com/t5/network-security/same-security-levels-on-multiple-interfaces/m-p/1348227#M751275 <P>Why should one keep same security levels on multiple interfaces on Cisco Firewalls? What could be the impact? I was under the impression that same security level cannot be given on multiple interfaces, but i came across a configuration,and had to change my assumption. Just want to understand the best practice and the impact if we configure the interfaces in such a way that 2 interfaces have sec-level 60, 2 have sec-level 80 with remaining as inside and outside...</P> Mon, 11 Mar 2019 16:55:37 GMT https://community.cisco.com/t5/network-security/same-security-levels-on-multiple-interfaces/m-p/1348227#M751275 mohsin.khan 2019-03-11T16:55:37Z Re: Same Security levels on multiple interfaces https://community.cisco.com/t5/network-security/same-security-levels-on-multiple-interfaces/m-p/1348228#M751297 <HTML><HEAD></HEAD><BODY><P>If you assign same security level for multiple interface , there will no traffic flow by default unless you configure same-security-traffic permit inter-interface command.</P><P></P><P>This is used to completely isolate traffic from two interfaces.</P><P></P><P></P><P>Dileep</P></BODY></HTML> Mon, 11 Jan 2010 09:58:57 GMT https://community.cisco.com/t5/network-security/same-security-levels-on-multiple-interfaces/m-p/1348228#M751297 Dileep Sivadas Padmini 2010-01-11T09:58:57Z