目前，站点到站点VPN不支持ASR复制，但似乎你可以使用快速路由。 

Currently, Site to Site VPN not support for ASR replication, but seems you can use Express route. 

我不知道为什么你尝试使用VPN连接进行ASR复制，复制设计通过加密和安全方法。 

I don't know why you try to use VPN connection for the ASR replication, that replication design going through encryption and secure method. 

是否有任何理由 为什么你要寻找使用S2S隧道  for ASR。 

is there any reason why you're looking for use S2S Tunnel for ASR.