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VPN Community Subnet exclusion

Question asked by Herve SCHLECHT on Jul 20, 2018
Latest reply on Jul 20, 2018 by Dameon Welch-Abernathy

Hello,

 

I have a configuration on which I have differents Community (R77.30 GW) and I have some overlapping subnet in the vpn encryption. the first community (community1) include 3 CKPS Gateway, each gateway have a 10.6.x.0/24 on his VPN domain (10.6.1.0/24, for the first gateway, 10.6.2.0/24 for the second, ...) and the communication work fine. I need yet add a new community (community2) to a central location (interoperable gateway - SOPHOS Firewall) and this IG present a 10.0.0.0/8 subnet in his VPN Domain and phase 2 subnet. When I define this new Community, the communication between 10.6.x.0/24 subnet stop working. I have found the 'Excluding subnets in encryption domain from accessing a specific VPN community' - sk86582, that explain the crypt.def management, but since my goal is to exclude the flow between all the 10.6.x.0/24 subnets in the new community (community2), I don't found the way in the crypt.def file to define a specific community to be sure the exclusion are only applied to the community2 ? Does somebody have an idea about this configuration ?

 

BRgds

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