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Mailing list comments Background softwire problem statement draft: "The goal of this effort is to reuse or extending existing technology. … , deployed technology must be very strongly considered in our solution selection.” Hub and spokes phase 0 is to use L2TPv2. Deployed clients that support L2TPv2 today likely support IKEv1 for securing L2TPv2 (RFC3193, Securing L2TP using IPsec). NAT-traversal for IKE and ESP is also deployed today in recent OS. Question on mailing list: IKEv1, apply RFC3193 + NAT traversal? Recommend IKEv2? Got 4 comments, all in favor in using IKEv2 |