Configuring Trunk Ports - Cisco nexus 5000 series Cli Configuration Manual
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Configuring Access and Trunk Interfaces
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
This example shows how to set Ethernet 1/10 as an Ethernet access port with PortFast enabled and port
channel disabled:
switch# configure terminal
switch(config)# interface ethernet 1/10
switch(config-if)# switchport host
Configuring Trunk Ports
You can configure an Ethernet port as a trunk port; a trunk port transmits untagged packets for the native
VLAN plus encapsulated, tagged, packets for multiple VLANs. (See
Encapsulation" section on page 1-2
Note
Cisco NX-OS supports only 802.1Q encapsulation.
To configure a trunk port, perform this task:
Command
Step 1
switch# configure terminal
Step 2
switch(config)# interface {type
slot/port | port-channel number}
Step 3
switch(config-if)# switchport mode
{access | trunk}
This example shows how to set Ethernet 3/1 as an Ethernet trunk port:
switch# configure terminal
switch(config)# interface ethernet 3/1
switch(config-if)# switchport mode trunk
Configuring the Native VLAN for 802.1Q Trunking Ports
If you do not configure this parameter, the trunk port uses the default VLAN as the native VLAN ID.
To configure native VLAN for a 802.1Q trunk port, perform this task:
Command
Step 1
switch# configure terminal
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
1-6
Chapter 1
for information about encapsulation.)
Purpose
Enters configuration mode.
Specifies an interface to configure, and enters interface
configuration mode.
Sets the interface as an Ethernet trunk port. A trunk
port can carry traffic in one or more VLANs on the
same physical link (VLANs are based on the
trunk-allowed VLANs list). By default, a trunk
interface can carry traffic for all VLANs. To specify
that only certain VLANs are allowed on the specified
trunk, use the switchport trunk allowed vlan
command.
Purpose
Enters configuration mode.
Configuring Access and Trunk Interfaces
"Understanding IEEE 802.1Q
OL-16597-01
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