1-4
To do... Use the command... Remarks
Enable flow control on the
Ethernet port
flow-control
By default, flow control is not
enabled on the port.
Duplicating the Configuration of a Port to Other Ports
To make other ports have the same configuration as that of a specific port, you can duplicate the
configuration of a port to specific ports.
Specifically, the following types of port configuration can be duplicated from one port to other ports:
VLAN configuration, protocol-based VLAN configuration, LACP configuration, QoS configuration,
GARP configuration, STP configuration and initial port configuration. Refer to the command manual for
the configurations that can be duplicated.
Follow these steps to duplicate the configuration of a port to specific ports:
To do... Use the command... Remarks
Enter system view
system-view
—
Duplicate the
configuration of a port to
specific ports
copy configuration source { interface-type
interface-number | aggregation-group
source-agg-id } destination { interface-list
[ aggregation-group destination-agg-id ] |
aggregation-group destination-agg-id }
Required
z If you specify a source aggregation group ID, the system will use the port with the smallest port
number in the aggregation group as the source.
z If you specify a destination aggregation group ID, the configuration of the source port will be copied
to all ports in the aggregation group and all ports in the group will have the same configuration as
that of the source port.
Configuring Loopback Detection for an Ethernet Port
Loopback detection is used to monitor if loopback occurs on a switch port.
After you enable loopback detection on Ethernet ports, the switch can monitor if external loopback
occurs on them. If there is a loopback port found, the switch will put it under control.
z If loopback is found on an access port, the system disables the port, sends a Trap message to the
client and removes the corresponding MAC forwarding entry.
z If loopback is found on a trunk or hybrid port, the system sends a Trap message to the client. When
the loopback port control function is enabled on these ports, the system disables the port, sends a
Trap message to the client and removes the corresponding MAC forwarding entry.
Follow these steps to configure loopback detection for an Ethernet port:
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