Duplicating The Configuration Of A Port To Other Ports; Configuring Loopback Detection For An Ethernet Port - 3Com E4500-24 Cli Configuration Manual

Reflector ports and fabric ports do not support the flow-control no-pauseframe-sending command.

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...
Enter system view
Duplicate the
configuration of a port to
specific ports
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.
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 a port of a switch is looped back.
After you enable loopback detection on Ethernet ports, the switch can monitor if an external loopback
occurs on them. If there is a loopback port found, the switch will deal with the loopback port according to
your configuration.
1) If a loop is found on an access port, the system will set the port to the block state (ports in this state
cannot forward data packets), send log messages to the terminal, and remove the corresponding
MAC forwarding entry.
If you have also enabled the loopback port auto-shutdown function on the port, the system will shut
down the port, and send log messages to the terminal. After the loop is removed, you need to use
the undo shutdown command to bring up the port.
Use the command...
system-view
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 }
1-5
Remarks
—
Required