Configuration Example - HP 4800G Series Configuration Manual

To do...
Set an ISATAP tunnel
Configure a source address or
interface for the tunnel
Reference a service loopback group
If the addresses of the tunnel interfaces at the two ends of a tunnel are not in the same network
segment, a route to the peer must be configured at both ends so that the encapsulated packet can
be forwarded normally. You can configure static or dynamic routing. Automatic tunnels do not
support dynamic routing. For the detailed configuration, refer to Static Routing Configuration or
other routing protocol configuration in the IP Routing Volume.
The automatic tunnel interfaces using the same encapsulation protocol cannot share the same
source IP address.
When you configure a static route at one tunnel end, you need to configure a route to the
destination IPv6 address of the packet, instead of the IPv4 address of the tunnel destination, and
set the outbound interface to the tunnel interface at the local end or set the next-hop to the tunnel
interface at the peer end. The similar configuration needs to be performed at the other tunnel end.
To reference a service loopback group on the tunnel interface to receive and send packets, you
must have configured the service loopback group. Otherwise, the tunnel interface will not be up to
communicate. For creation and configuration of a service loopback group, refer to Service
Loopback Group Configuration in the Access Volume.

Configuration Example

Network requirements
As shown in Figure
The destination address of the tunnel is an ISATAP address. It is required that IPv6 hosts in the IPv4
network can access the IPv6 network through the ISATAP tunnel.
tunnel-protocol ipv6-ipv4
isatap
source { ip-address |
interface-type
interface-number }
service-loopback-group
number
1-5, an IPv6 network is connected to an IPv4 network through an ISATAP switch.
Use the command...
1-15
Remarks
Required
By default, the tunnel is an
IPv6 manual tunnel. The
same tunnel mode should
be configured at both ends
of the tunnel. Otherwise,
packet delivery will fail.
Required
By default, no source
address or interface is
configured for the tunnel.
Required
By default, no service
loopback group ID is
referenced.