D-Link DSR-Series User Manual 84
Section 5 - Connect to the Internet
Path: Network > IPv6 > ISATAP Tunnels
ISATAP (Intra-Site Automatic Tunnel Addressing Protocol) is an IPv6 transition mechanism meant to transmit
IPv6 packets between dual-stack nodes on top of an IPv4 network. ISATAP species an IPv6-IPv4 compatibility
address format as well as a means for site border router discovery. ISATAP also species the operation of IPv6 over
a specic link layer - that being IPv4 used as a link layer for IPv6.
ISATAP Tunnels
To add, edit, or delete a ISATAP entry:
1. Click Network > IPv6 > ISATAP Tunnels.
2. Right-click a current entry and select Edit or Delete. To add a new entry, click Add New ISATAP Tunnel.
3. Complete the elds in the table below and click Save.
Field Description
ISATAP Subnet Prex
This is the 64-bit subnet prex that is assigned to the logical ISATAP subnet for this intranet. This can
be obtained from your ISP or internet registry, or derived from RFC 4193.
End Point Address
This is the endpoint address for the tunnel that starts with this router. The endpoint can be the LAN
interface (assuming the LAN is an IPv4 network), or a specic LAN IPv4 address.
IPv4 Address The end point address if not the entire LAN.
Save Click Save to save your settings.