3com 4210 PWR 9-Port 3CR17341-91-ME 用户手册

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3CR17341-91-ME
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100
C
HAPTER
 9: P
ORT
 B
ASIC
 C
ONFIGURATION
Configuring a Trunk 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. For the detailed copy content, refer to the Switch 
4210 Family Command Reference Guide.
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 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.
Table 62   Configure trunk port attribute
Operation 
Command 
Remarks 
Enter system view 
System-view 
Enter Ethernet port view 
interface interface-type 
interface-number
 
Set the link type of the port to 
trunk 
port link-type trunk 
Required 
Set the default VLAN ID for 
the trunk port 
port trunk pvid vlan vlan-id  Optional
If no default VLAN ID is set for 
a trunk port, VLAN 1 (system 
default VLAN) is used as the 
default VLAN of the port. 
Add the current trunk port to 
a specified VLAN 
port trunk permit vlan { 
vlan-id-list | all } 
Optional
Table 63   Duplicate the configuration of a port to specific ports
Operation 
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