H3C Technologies H3C S10500 Series Switches - Manual (Page 198)

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To do… Use the command… Remarks
Configure the destination address
for the tunnel interface
destination ipv6-address
Required
By default, no destination address
is configured for a tunnel interface.
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.
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.
NOTE:
•
For information about commands interface tunnel, tunnel-protocol, source, destination, and tunnel
discard ipv4-compatible-packet, see
Layer 3—IP Services Command Reference.
• For information about tunnel interfaces and related configurations, see the chapter “Tunneling
configuration.”
Displaying and maintaining GRE
To do… Use the command… Remarks
Display information about a
specified or all tunnel interfaces
display interface [ tunnel ] [ brief
[ down ] ] [ | { begin | exclude |
include } regular-expression ]
display interface tunnel number
[ brief ] [ | { begin | exclude |
include } regular-expression ]
Available in any view
Display IPv6 information about a
tunnel interface
display ipv6 interface tunnel
[ number ] [ brief ] [ | { begin |
exclude | include }
regular-expression ]
Available in any view
NOTE:
For information about commands display interface tunnel and display ipv6 interface tunnel, see Layer
3—IP Services Command Reference.
GRE over IPv4 tunnel configuration example
Network requirements
Switch A and Switch B are interconnected through the Internet. Two private IPv4 subnets Group 1 and
Group 2 are interconnected through a GRE tunnel between the two switches.