topic Overlaping subnets in IPsec VPN between palo alto firewalls hosted in AWS VPC,need help to configure in General Topics

Overlaping subnets in IPsec VPN between palo alto firewalls hosted in AWS VPC,need help to configure

CSPlatforms — Wed, 28 Aug 2019 13:22:43 GMT

We have 2 VPC each having Palo alto VM-100 hosted in AWS ,both VPC are having overlapping subnet and we are try to setup ipsec site to site vpn ,kindly let me know the fesable configuration solution with configuration example if possible.Thanks .

Re: Overlaping subnets in IPsec VPN between palo alto firewalls hosted in AWS VPC,need help to confi

OtakarKlier — Wed, 28 Aug 2019 19:35:48 GMT

Hello,

Depending how far down the rabbit hole you are with one of the VPC's, just recreate it or change its subnet. If its too late check out below:

https://docs.paloaltonetworks.com/prisma/prisma-access/prisma-access-panorama-admin/prisma-access-for-networks/quick-configs-for-network-deployments/network-locations-with-overlapping-subnets

Regards,