•
Management 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.
Table 38. Layer Modes
Type of Interface
10 Gigabit Ethernet, 25–Gigabit
Ethernet, 40–Gigabit Ethernet,
50–Gigabit Ethernet, and 100–
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
Example of a Basic Layer 2 Interface Configuration
Dell(conf-if)#show config
!
interface Port-channel 1
no ip address
switchport
no shutdown
Dell(conf-if)#
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 (active for Layer
2)
Shutdown (disabled for Layer 3 )
Interfaces
377