3Com Switch 8800 Advanced Software V5 Configuration Guide

392 CHAPTER 33: TUNNELING CONFIGURATION
Configuration Procedure Follow these steps to configure an ISATAP tunnel:
n
For the configuration of the tunnel interface MTU, refer to the ipv6 mtu
command in the Switch 8800 Command Reference Guide.
To do... Use the command... Remarks
Enter system view system-view -
Enable the IPv6 packet forwarding
function
ipv6 Required
By default, the IPv6
forwarding function is
disabled.
Create a tunnel interface and enter
tunnel interface view
interface tunnel
number
Required
By default, there is no
tunnel interface on the
device.
Configure an IPv6
address for the
tunnel interface
Configure an IPv6
global unicast
address or site-local
address
ipv6 address {
ipv6-address
prefix-length |
ipv6-address/prefix-lengt
h }
Required.
Use either command.
By default, no IPv6 global
unicast address or
site-local address is
configured for the tunnel
interface.
ipv6 address
ipv6-address/prefix-lengt
h eui-64
Configure an IPv6
link-local address
ipv6 address auto
link-local
Optional
By default, a link-local
address will automatically
be generated when an
IPv6 global unicast
address or link-local
address is configured.
ipv6 address
ipv6-address link-local
Set the tunnel to an ISATAP tunnel tunnel-protocol
ipv6-ipv4 isatap
Required
By default, the tunnel is a
GRE tunnel. The same
tunnel type should be
configured at both ends
of the tunnel. Otherwise,
packet delivery will fail.
Configure a source address or source
interface for the tunnel
source { ip-address |
ipv6-address |
interface-type
interface-number }
Required
By default, no source
address or interface is
configured for the
tunnel.
Configure a link aggregation group ID
to be referenced by the tunnel interface
aggregation-group
aggregation-group-id
Required
Enable the expedite termination
function
expediting enable Optional
By default, the expedite
termination function is
disabled.
Configure an address and mask for the
expedite termination subnet
expediting subnet
ip-address mask
Optional
By default, no expedite
termination subnet is
configured for a tunnel.
Configure the tunnel interface MTU mtu mtu-size Optional