3com S7906E Manuel De Montage

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1-9 
 
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 
Configure IP addresses for interfaces (such as the VLAN interface, and loopback interface) on the 
device to ensure normal communication.  
Specify one of the above interfaces as the source interface of the tunnel. 
Ensure reachability between the tunnel source and destination addresses.