topic Single ASA with dual down-links in Network Security https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997784#M439330 <HTML><HEAD></HEAD><BODY><P>You can't configure a single ASA to 2 core switches because ASA is like router where interfaces are routed interface. You can configure 2 ASA with each ASA connects to each core switch. But not a single ASA to 2 core switches.</P></BODY></HTML> Tue, 07 Aug 2012 07:57:50 GMT Jennifer Halim 2012-08-07T07:57:50Z Single ASA with dual down-links https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997783#M439328 <P><IMG src="https://community.cisco.com/legacyfs/online/legacy/3/2/7/96723-basic%20diagram.jpg" alt="basic diagram.jpg" class="jive-image-thumbnail jive-image" onclick="" width="450" /></P><P>I have to connect an ASA with 2 core switches in network as above shows. so i need to configure one interface as an active and other one is backup.</P><P>core switches are configured with HSRP. During any failure with primary link(1000M)&nbsp; need to LAN traffic passthrough backup link (100M). Please some one help me to reach this. I can't configure any VLAN interface in ASA , it doesn't allow..... </P> Mon, 11 Mar 2019 23:39:05 GMT https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997783#M439328 Namal Suranga 2019-03-11T23:39:05Z Single ASA with dual down-links https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997784#M439330 <HTML><HEAD></HEAD><BODY><P>You can't configure a single ASA to 2 core switches because ASA is like router where interfaces are routed interface. You can configure 2 ASA with each ASA connects to each core switch. But not a single ASA to 2 core switches.</P></BODY></HTML> Tue, 07 Aug 2012 07:57:50 GMT https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997784#M439330 Jennifer Halim 2012-08-07T07:57:50Z Single ASA with dual down-links https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997785#M439331 <HTML><HEAD></HEAD><BODY><P>Thank you very much.</P></BODY></HTML> Tue, 07 Aug 2012 08:14:25 GMT https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997785#M439331 Namal Suranga 2012-08-07T08:14:25Z Re: Single ASA with dual down-links https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997786#M439333 <HTML><HEAD></HEAD><BODY><P>I think the redundant interfaces should also work when connected to two different switches:</P><P></P><P><A class="jive-link-external-small" href="http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/interface_start.html#wp1329357" rel="nofollow">http://www.cisco.com/en/US/docs/security/asa/asa84/configuration/guide/interface_start.html#wp1329357</A></P><P></P><P>Edit: I just see that your interfaces have different speeds. Not sure if that works as both member-interfaces of the redundant interface have to be of the same physical type.</P></BODY></HTML> Tue, 07 Aug 2012 08:30:13 GMT https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997786#M439333 Karsten Iwen 2012-08-07T08:30:13Z Single ASA with dual down-links https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997787#M439334 <HTML><HEAD></HEAD><BODY><P>Karsten is right, you can configure redundant interfaces. I completely have forgotten about this option.</P></BODY></HTML> Tue, 07 Aug 2012 08:37:18 GMT https://community.cisco.com/t5/network-security/single-asa-with-dual-down-links/m-p/1997787#M439334 Jennifer Halim 2012-08-07T08:37:18Z