3Com S7902E, Configuration Manual

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Configuring a Tunnel Interface
Follow these steps to configure a tunnel interface:
To do… Use the command… Remarks
Enter system view system-view —
Create a tunnel interface and
enter its view
interface tunnel number
Required
By default, no tunnel interface is
created.
Configure the description for the
interface
description text
Optional
By default, the description of a
tunnel interface is the interface
name followed by the "Interface"
string.
Specify the service card for
forwarding the traffic on the
interface (distributed devices)
service slot slot-number
Optional
Not specified by default.
Specify the service card of a
stack member device for
forwarding the traffic on the
interface (distributed IRF
devices)
service chassis
chassis-number slot
slot-number
Optional
Not specified by default.
Reference a service loopback
group service-loopback-group
number
Required
By default, the tunnel does not
reference any service loopback
group.
Set the MTU of packets sent
over the interface
mtu size
Optional
64000 by default
Shut down the tunnel interface shutdown
Optional
By default, the interface is down.
When active/standby switchover occurs or the standby card is removed from a distributed device,
tunnels configured on the active or standby card still exist. To delete tunnels, use the undo interface
tunnel command.
Configuring an IPv6 Manual Tunnel
Configuration Prerequisites
z
Configure IP addresses for interfaces (such as the VLAN interface, and loopback interface) on the
device to ensure normal communication.
z
Specify one of the above interfaces as the source interface of the tunnel.
z
Ensure reachability between the tunnel source and destination addresses.