Ipv6 6rd tunnel. 6rd is a mechanism to facilitate IPv6 rapid deployment across IPv4 infrastructures of Internet service providers (ISPs). The main differences between 6RD and 6to4 tunneling are as follows: IPv4 and IPv6 are incompatible and one of the migration strategies is to configure IPv6 tunneling. IPv6 6RD (Rapid Deployment) is a tunneling technique, similar to 6to4 tunneling. 6rd tunnel: The router is connected to the ISP's 6rd relay, which tunnels IPv6 packets over IPv4. . RFC 5969 6rd August 2010 6rd views the IPv4 network as a link layer for IPv6 and supports an automatic tunneling abstraction similar to the Non-Broadcast Multiple Access (NBMA) [RFC2491] model. May 6, 2010 ยท 6rd 6rd — for IPv6 Rapid Deployment on IPv4 Infrastructure — is a method of encapsulating IPv6 packets for transmission over IPv4 backbone networks. nl) does not have a native IPv6 implementation available. Specifies the prefix length and suffix length of the IPv4 transport address common to all the 6RD routers in a domain. The 6RD tunnel is improved on the basis of the original 6to4 solution. cuaardwxth01bjq5ueodnsoly11rszqlwl7mzjyq24mn