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WAN port failover - Cisco ASA 5512x

WAN port failover - Cisco ASA 5512x

WAN port failover - Cisco ASA 5512x

Hello all, Do the Cisco ASA 5512x support native failover to 1 of 2 WAN ports? For instance, if I have ISP A configured on one WAN and ISP B configured on the other can I program the ASA the automatically recognize if one link on a WAN port goes down and then automatically fail the system over to the other?

RE: WAN port failover - Cisco ASA 5512x

No, it does not, in the way you are asking. What you could do is to set the default tracked route via ISP A and another default route, with higher distance, via ISP B. So when the ISP A fails your traffic will go through the ISP B. This will not take care of inbound traffic if you have static NAT for web sites, etc. as the users will be coming to the ISP A IP address(es). However this works fine outbound. Make sure to have translations for both interfaces and look at "tracked static route" on cisco.com, for example: http://www.cisco.com/c/en/us/td/docs/security/asa/...


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