---help---
Support for MIPv6 route optimization mode.
+config IPV6_VTI
+tristate "Virtual (secure) IPv6: tunneling"
+ select IPV6_TUNNEL
+ depends on INET6_XFRM_MODE_TUNNEL
+ ---help---
+ Tunneling means encapsulating data of one protocol type within
+ another protocol and sending it over a channel that understands the
+ encapsulating protocol. This can be used with xfrm mode tunnel to give
+ the notion of a secure tunnel for IPSEC and then use routing protocol
+ on top.
+
config IPV6_SIT
tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
select INET_TUNNEL