Dell Force10 S4810P - Configure Layer 2 (Data Link) Mode

476 | Interfaces
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By default, VLANs are in Layer 2 mode.
Configure Layer 2 (Data Link) Mode
Use the switchport command in INTERFACE mode to enable Layer 2 data transmissions through an
individual interface. The user can not configure switching or Layer 2 protocols such as spanning tree
protocol on an interface unless the interface has been set to Layer 2 mode.
The following example displays the basic configuration found in a Layer 2 interface.
FTOS(conf-if)#show config
!
interface Port-channel 1
no ip address
switchport
no shutdown
FTOS(conf-if)#
To configure an interface in Layer 2 mode, use these commands in the INTERFACE mode:
For information on enabling and configuring Spanning Tree Protocol, Refer to Spanning Tree Protocol
(STP). To view the interfaces in Layer 2 mode, use the command
show interfaces switchport in the EXEC
mode.
Table 23-1. Interfaces Types
Type of Interface
Possible
Modes
Requires
Creation Default State
10/100/1000 Ethernet, Gigabit
Ethernet, 10 Gigabit Ethernet
Layer 2
Layer 3
No Shutdown (disabled)
SONET (PPP encapsulation) Layer 3 No Shutdown (disabled)
Management n/a No Shutdown (disabled)
Loopback Layer 3 Yes No shutdown (enabled)
Null interface n/a No Enabled
Port Channel Layer 2
Layer 3
Yes Shutdown (disabled)
VLAN Layer 2
Layer 3
Yes, except for the
default VLAN
No shutdown (active for Layer 2)
Shutdown (disabled for Layer 3)
Command Syntax Command Mode Purpose
no shutdown
INTERFACE Enable the interface.
switchport
INTERFACE Place the interface in Layer 2 (switching) mode.