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Ethernet Port Overview 39
Perform the following configuration in Ethernet port view.
By default, 100% broadcast traffic is allowed to pass through, that is, no
broadcast suppression will be performed.
Note that in the Switch 7750, you can only use the command at the port on a
20-port 10/100/1000BASE-T Gigabit Ethernet card or a 20-port 1000BASE-X
Gigabit Ethernet card.
Setting the Link Type for an Ethernet Port
An Ethernet port can operate in three different link types, access, hybrid, and
trunk. The access port carries one VLAN only and is used for connecting to the
user’s computer.
The trunk port can belong to more than one VLAN and receive/send the packets
on multiple VLANs. The hybrid port can also carry more than one VLAN and
receive/send the packets on multiple VLANs. The difference between the hybrid
port and the trunk port is that the hybrid port allows the packets from multiple
VLANs to be sent without tags, but, the trunk port only allows the packets from
the default VLAN to be sent without tags.
Perform the following configuration in Ethernet port view.
A port on a switch can be configured as an access port, a hybrid port, or a trunk
port. However, to reconfigure between hybrid and trunk link types, you must first
restore the default, or access link type.
The default link type is the access link type.
Adding the Ethernet Port to a VLAN
The following commands are used for adding an Ethernet port to a specified
VLAN. Access ports can be added to only one VLAN, while hybrid and trunk ports
can be added to multiple VLANs.
Table 33 Setting Ethernet Port Broadcast Suppression Ratio
Operation Command
Set Ethernet port broadcast suppression ratio broadcast-suppression pct
Restore the default Ethernet port broadcast
suppression ratio
undo broadcast-suppression
Table 34 Set Link Type for Ethernet Port
Operation Command
Set the port to access port port link-type access
Set the port to hybrid port port link-type hybrid
Set the port to trunk port port link-type trunk
Restore the default link type, that is, the
access port.
undo port link-type