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source based static nat failover

zalumbaugh
Level 1
Level 1

Hello, 

Is there a way to configure a failover scenario for source based static NATs? I know it's possible with destination based static NAT's through the use of route-maps, but not sure if I'd use the same method for source based. 

 

Basically this is what I want to achieve: 

 

10.10.10.10 = internal server 1 (primary)

10.10.10.11 = internal server 2 (backup)

 

I have a static nat entry for server 1: 

ip nat inside source static 10.10.10.10 222.222.222.222 

Currently, when we want to failover to the backup server, I have to manually change this static NAT entry (ip nat inside source static 10.10.10.11 222.222.222.222)

 

I want to find a way to have the NAT failover automatically when we failover to the backup server (i.e. if 10.10.10.10 stops translating to 222.222.222.222, make 10.10.10.11 translate to 222.222.222.222)

 

I hope that makes sense, I'm not a network genius. I really appreciate any help/advice I can get. Thanks! 

Z

 

 

 

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