https://community.cisco.com/t5/network-security/pix-failover-configuration/m-p/212436#M593673 <P>I need clarification on the pix failover.</P><P></P><P>Each PIX will have it's own inside and outside ip addresses. You can't use the same ip on both units (correct?). </P><P></P><P>We currently use a 255.255.255.252 ip address with our ISP on the outside interface, this means I need to contact them and request a 255.255.255.248 address, correct?</P> Fri, 21 Feb 2020 07:18:56 GMT jason.aarons 2020-02-21T07:18:56Z https://community.cisco.com/t5/network-security/pix-failover-configuration/m-p/212436#M593673 <P>I need clarification on the pix failover.</P><P></P><P>Each PIX will have it's own inside and outside ip addresses. You can't use the same ip on both units (correct?). </P><P></P><P>We currently use a 255.255.255.252 ip address with our ISP on the outside interface, this means I need to contact them and request a 255.255.255.248 address, correct?</P> Fri, 21 Feb 2020 07:18:56 GMT https://community.cisco.com/t5/network-security/pix-failover-configuration/m-p/212436#M593673 jason.aarons 2020-02-21T07:18:56Z https://community.cisco.com/t5/network-security/pix-failover-configuration/m-p/212437#M593688 <HTML><HEAD></HEAD><BODY><P>Correct.</P><P></P><P>When a failover does occurs, the 2 PIX's will swap addresses and mac addresses on each interface to ensure a seamless failover.</P><P></P><P>Scott</P></BODY></HTML> Mon, 29 Mar 2004 20:10:14 GMT https://community.cisco.com/t5/network-security/pix-failover-configuration/m-p/212437#M593688 scoclayton 2004-03-29T20:10:14Z