Category: Ubiquiti

L2TP Behind Double NAT

If you’ve ever received an error connecting to a L2TP endpoint from a Windows client, where the L2TP endpoint or Windows client is behind a NAT-T device (Or Double NAT), it is most likely due to the Windows client not supporting Internet Protocol security (IPsec) network address translation (NAT) Traversal (NAT-T) security associations to servers …

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