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3-13
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
OL-23435-03
Chapter 3 Configuring Layer 2 Interfaces
Configuring Access and Trunk Interfaces
This example shows how to set Ethernet 3/1 as a Layer 2 access port with PortFast enabled and port
channel disabled:
switch# configure terminal
switch(config)# interface ethernet 3/1
switch(config-if)# switchport host
switch(config-if)#
Configuring Trunk Ports
You can configure a Layer 2 port as a trunk port. A trunk port transmits untagged packets for one VLAN
plus encapsulated, tagged, packets for multiple VLANs. (See the “IEEE 802.1Q Encapsulation” section
on page 3-4 for information about encapsulation.)
Note The device supports 802.1Q encapsulation only.
BEFORE YOU BEGIN
Before you configure a trunk port, ensure that you are configuring a Layer 2 interface.
SUMMARY STEPS
1. configure terminal
2. interface {type slot/port | port-channel number}
3. switchport mode {access | trunk}
4. exit
5. (Optional) show interface
6. (Optional) copy running-config startup-config
Step 5
show interface
Example:
switch# show interface
(Optional) Displays the interface status and
information.
Step 6
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
(Optional) Copies the running configuration to the
startup configuration.
Command Purpose
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