L2TPv3 configuration examples This section presents the following topics:Before you begin Configuring a LAC-to-LAC IPv4 tunnel Configuring a LAC-to-LAC IPv6 tunnel Configuring an LNS-to-LNS IPv4 tunnel Configuring an LNS-to-LNS tunnel with BGP routes Configuring an LNS-to-LNS tunnel with OSPF routes Configuring an LNS-to-LNS tunnel with RIP routes