Hi. I tried to setup nt6tunnel with a specified ipv6 source address. i get the following error: local: default,1234; remote: remote.ipv6.host,22; source: mapped <1940> unable to bind to source host (2001:6f8:139d:0:647d:ef42:de26:59a3) <1940> connection closed same problem with every ipv6 address i try to use. without specifying the source address everything is working fine. Windows-IP-Konfiguration Ethernet-Adapter LAN-Verbindung: Verbindungsspezifisches DNS-Suffix: IP-Adresse. . . . . . . . . . . . : 192.168.0.19 Subnetzmaske . . . . . . . . . . : 255.255.255.0 IP-Adresse. . . . . . . . . . . . : 2001:6f8:139d:0:b061:72f5:6b43:5a22 IP-Adresse. . . . . . . . . . . . : 2001:6f8:139d:0:9c5f:453e:e778:3eb8 IP-Adresse. . . . . . . . . . . . : 2001:6f8:139d:0:647d:ef42:de26:59a3 IP-Adresse. . . . . . . . . . . . : 2001:6f8:139d:0:20c:6eff:fe37:cd84 IP-Adresse. . . . . . . . . . . . : fe80::20c:6eff:fe37:cd84%4 Standardgateway . . . . . . . . . : 192.168.0.1 Tunneladapter SixXS: Verbindungsspezifisches DNS-Suffix: IP-Adresse. . . . . . . . . . . . : 2001:6f8:900:4f2::2 IP-Adresse. . . . . . . . . . . . : fe80::5:c0a8:13%5 Standardgateway . . . . . . . . . : :: THx for any help. Tristan