The USG2220 device configure double exports. Internal network 2 servers do announcement, let the 2 servers go from different exports to communication. At the same time external network using L2TP client dials into the internal network, and make communication with servers.
The client-server published configurations, but found that the double exports data stream to a different server was unrealized, while only one server can be published.
Client to configure L2TP, single link can dial-up success, and do communication with internal network, and use another link to do LNS server address, and unable to dial-up success always.
Client topology is as follows: