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Managing Physical Interfaces Physical Interface
User Guide 93
1
Physical Interface
1.1 Overview
Interfaces are used to exchange data and interact with interfaces of other network devices.
Interfaces are classified into physical interfaces and layer 3 interfaces.
â– Physical interfaces are the ports on the switch panel. They forward packets based on
MAC address table.
â– Layer 3 interfaces are used to forward IPv4 and IPv6 packets using static or dynamic
routing protocols. You can use Layer 3 interfaces for IP routing and inter-VLAN routing.
This chapter introduces the configurations for physical interfaces.
1.2 Supported Features
The switch supports the following features about physical interfaces:
Basic Parameters
You can configure port status, speed mode, duplex mode, flow control and other basic
parameters for ports.
Port Isolation
You can use this feature to restrict a specific port to send packets to only the ports in the
forwarding port list that you configure.
Loopback Detection
This function allows the switch to detect loops in the network. When a loop is detected on
a port or VLAN, the switch will display an alert on the management interface and block the
corresponding port or VLAN according to your configurations.
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