H3C Technologies H3C S10500 Series Switches - Manual (Page 196)

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To do… Use the command… Remarks
Configure an IPv4 address for the
tunnel interface ip address ip-address { mask |
mask-length }
Required
By default, a tunnel interface has
no IPv4 address.
Set the tunnel mode to GRE over
IPv4
tunnel-protocol gre
Optional
By default, the tunnel is a GRE over
IPv4 tunnel.
You must configure the same tunnel
mode on both ends of a tunnel.
Otherwise, packet delivery will
fail.
Configure the source address or
interface for the tunnel interface source { ip-address | interface-type
interface-number }
Required
By default, no source address or
interface is configured for a tunnel
interface.
Configure the destination address
for the tunnel interface
destination ip-address
Required
By default, no destination address
is configured for a tunnel interface.
Configure a route for packet
forwarding through the tunnel See Layer 3—IP Routing
Configuration Guide.
Required
Each end of the tunnel must have a
route (static or dynamic) through
the tunnel to the other end.
Return to system view quit —
Configure the device to discard the
IPv4-compatible IPv6 packets
tunnel discard
ipv4-compatible-packet
Optional
By default, the device does not
discard the IPv4-compatible IPv6
packets.
NOTE:
•
For information tunnel interfaces, more configuration commands in a tunnel interface, and the expedite
termination function, see the chapter “Tunneling configuration.”
• For information about commands interface tunnel, tunnel-protocol, source, destination, and tunnel
discard ipv4-compatible-packet, see
Layer 3—IP Services Command Reference.
Configuring a GRE over IPv6 tunnel
Configuration prerequisites
• On each of the peer devices, configure an IP address for the interface to be used as the source
interface of the tunnel interface (which can be a, for example, VLAN interface or loopback
interface), and make sure that this interface can normally communicate with the interface used as
the source interface of the tunnel interface on the peer device.
• Create a service loopback group, specify its service type as tunnel, and add an available Layer 2
Ethernet port to the service loopback group. For more information about the service loopback group,
see Layer 2—LAN Switching Configuration Guide.