SNR S2940-8G-v2 Switch Configuration Guide
Layer 3 Management Configuration
Chapter 29
Layer 3 Management Configuration
Switch only support Layer 2 forwarding, but can configure a Layer 3 management port for
the communication of all kinds of management protocols based on IP protocol.
29.1 Layer 3 Management Interface
29.1.1 Introduction to Layer 3 Management Interface
Only one layer 3 management interface can be created on switch. The Layer 3 interface is not a
physical interface but a virtual interface. Layer 3 interface is built on VLANs. The Layer 3 interface
can contain one or more layer 2 ports which belong to the same VLAN, or contain no layer 2 ports.
At least one of the Layer 2 ports contained in Layer 3 interface should be in UP state for Layer 3
interface in UP state, otherwise, Layer 3 interface will be in DOWN state. The switch can use the
IP addresses set in the layer 3 interfaces to communicate with the other devices via IP.
29.1.2 Layer 3 Management Interface Configuration Task List
1. Create Layer 3 management interface
2. Configure VLAN interface description
3. Open or close the VLAN interface
1. Create Layer 3 management interface
Command Explanation
Global Mode
interface vlan <vlan-id>
no interface vlan <vlan-id>
Creates a management VLAN interface; the no command
deletes the VLAN interface created in the switch.
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