When using two routers in the same HSRP group and the same static NAT table on each, I run into Duplicate IP address messages detected on the interface where the routers are communicating to each other for redundancy.
HSRP is working properly because when I do a show standby one router is active and one is standby.
What you need is a feature called Stateful Fail-over of Network Address Translation or SNAT. This feature enables transparent failover of NAT sessions to the standby HSRP router if the primary HSRP device goes down.
The link below should provide the info you need about SNAT.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...