[Swan] IKEv2 multiple subnets CIDRs on single Child SA

Frank Liu gfrankliu at gmail.com
Tue Sep 15 18:40:07 UTC 2020


*Important:* When using IKEv2, your peer VPN gateway *must* accept all of
the CIDRs in each traffic selector using a single Child SA. Not all VPN
gateways support this. VPN gateways that create a unique Child SA per CIDR
are *not* compatible with Cloud VPN.

Does Libreswan support this? I tried Strongswan and that worked, but
couldn't get it to work with Libreswan.

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