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Setting the state of service loopback ports
The system sets the state of each member port in a service loopback group to selected or unselected by
using the following workflow.
1. Select the full-duplex port with the highest rate as the reference port. If two ports have the same
duplex mode and speed, the one with the lower port number wins out.
2.
Set the state of each member port in the service loopback group as shown in Figure 73.
Figure 73 Set the state of each member port in a service loopback group
Every time a new port is assigned to a service loopback group, the system sets the state of the member
ports in the service loopback group all over again according to the process above.
Configuring a service loopback group
To configure a service loopback group:
To do… Use the command… Remarks
1. Enter system view
system-view —
2. Create a service
loopback group and
specify its service type
service-loopback group number type
{ multicast-tunnel | tunnel } *
Required.
3. Enter Layer 2 Ethernet
interface view
interface interface-type interface-number —
4. Assign the Ethernet
interface to the specified
service loopback group
port service-loopback group number
Required.
By default, a port does not
belong to any service loopback
group.
A service loopback group can process service only after it is referenced by other features.
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