When configuring an ISATAP tunnel, note the following points:
You must create a tunnel interface before setting tunnel parameters.
You are advised to set the tunnel number to be the same as the number of the source physical interface of the tunnel, when the specified tunnel source interface is a physical interface.
You need to configure an IPv6 address for the interface that connects a border device to the IPv6 network, and an IPv4 address for the interface that connects a border device to the IPv4 network. You also need to configure an ISATAP address with a 64-bit prefix-length as the IPv6 address of the tunnel interface to support a dynamic routing protocol.
The system view is displayed.
A tunnel interface is created.
The tunnel mode is set to ISATAP.
A source address or source interface is specified for the tunnel.
The IPv6 function is enabled on the interface.
An IPv6 address is configured for the tunnel interface.
The device is enabled to send router advertisement (RA) packets.