topic Re: ASA and HA in Network Security https://community.cisco.com/t5/network-security/asa-and-ha/m-p/1165561#M860000 <HTML><HEAD></HEAD><BODY><P>Richard</P><P></P><P>Unfortunately no you can't connect 2 ASA devices in active/active or active/standby over a L3 routed connection. The 2 ASA's need L2 adjacency for their failover connection.</P><P></P><P>There are a number of ways to extend a L2 vlan across a L3 routed network such as L2TPv3 and MPLS Pseudowire but i'm not sure how the link would perform for stateful failover.</P><P></P><P>Jon</P></BODY></HTML> Sat, 09 May 2009 19:57:39 GMT Jon Marshall 2009-05-09T19:57:39Z ASA and HA https://community.cisco.com/t5/network-security/asa-and-ha/m-p/1165560#M859996 <P>Hi All,</P><P></P><P> Is it possible to connect two ASA in HA over a layer 3 link (Different subnets)</P><P></P><P>thx,</P> Mon, 11 Mar 2019 15:29:34 GMT https://community.cisco.com/t5/network-security/asa-and-ha/m-p/1165560#M859996 rblack1024 2019-03-11T15:29:34Z Re: ASA and HA https://community.cisco.com/t5/network-security/asa-and-ha/m-p/1165561#M860000 <HTML><HEAD></HEAD><BODY><P>Richard</P><P></P><P>Unfortunately no you can't connect 2 ASA devices in active/active or active/standby over a L3 routed connection. The 2 ASA's need L2 adjacency for their failover connection.</P><P></P><P>There are a number of ways to extend a L2 vlan across a L3 routed network such as L2TPv3 and MPLS Pseudowire but i'm not sure how the link would perform for stateful failover.</P><P></P><P>Jon</P></BODY></HTML> Sat, 09 May 2009 19:57:39 GMT https://community.cisco.com/t5/network-security/asa-and-ha/m-p/1165561#M860000 Jon Marshall 2009-05-09T19:57:39Z