Configuration Task List For Physical Interfaces; Overview Of Layer Modes; Configuring Layer 2 (Data Link) Mode - Dell S4820T Configuration Manual

Configuration Task List for Physical Interfaces

By default, all interfaces are operationally disabled and traffic does not pass through them.
The following section includes information about optional configurations for physical interfaces:
•

Overview of Layer Modes

•

Configuring Layer 2 (Data Link) Mode

• Configuring Layer 2 (Interface) Mode
• Management Interfaces
• Auto-Negotiation on Ethernet Interfaces
• Adjusting the Keepalive Timer
• Clearing Interface Counters
Overview of Layer Modes
On all systems running Dell Networking OS, you can place physical interfaces, port channels, and VLANs
in Layer 2 mode or Layer 3 mode.
By default, VLANs are in Layer 2 mode.
Type of Interface
10/100/1000 Ethernet,
10 Gigabit Ethernet
Management
Loopback
Null interface
Port Channel
VLAN
Configuring Layer 2 (Data Link) Mode
Do not configure switching or Layer 2 protocols such as spanning tree protocol (STP) on an interface
unless the interface has been set to Layer 2 mode.
To set Layer 2 data transmissions through an individual interface, use the following command.
• Enable Layer 2 data transmissions through an individual interface.
INTERFACE mode
switchport
Interfaces
Possible Modes
Layer 2
Layer 3
N/A
Layer 3
N/A
Layer 2
Layer 3
Layer 2
Layer 3
Requires Creation
No
No
Yes
No
Yes
Yes, except for the
default VLAN.
Default State
Shutdown (disabled)
Shutdown (disabled)
No shutdown (enabled)
Enabled
Shutdown (disabled)
No shutdown (disabled
for Layer 2)
Shutdown (active for
Layer 3 )
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