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Configuration Guide - Interface Management

S9300, S9300E, and S9300X V200R013C00

This document describes the interface management configuration, including basic interface configuration, Ethernet interface configuration, and logical interface configuration.
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Interface Types

Interface Types

Switch interfaces are used to exchange data. Physical interfaces (excluding management interfaces) transmit services. Interfaces are classified into physical interfaces and logical interfaces.

  • Physical interfaces

    Physical interfaces exist on interface cards and transmit service data. Physical interfaces are classified into the following types:

    • LAN-side interface: used by the switch to exchange data with network devices on LANs.
    • WAN-side interface: used by the switch to exchange data with devices on external networks.
    • Management interface: is used to log in to switches for configuration and management purposes.
    • USB interface: is a data transmission interface. You can perform USB-based deployment on a switch through this interface.
    • Clock interface: used to obtain clock signals from external clock sources or output local clock signals to other devices.
    • CSS interface: used to construct the CSS.
    Table 1-1 describes the physical interfaces that the switch supports.
    Table 1-1  Description of LAN-side interfaces
    Interface Description
    FE interface A LAN-side FE interface works at the data link layer, provides a maximum transmission rate of 100 Mbit/s, processes Layer 2 protocol packets, and implements Layer 2 forwarding.
    GE interface A LAN-side GE interface works at the data link layer, provides a maximum transmission rate of 1000 Mbit/s, processes Layer 2 protocol packets, and implements Layer 2 forwarding.
    10GE interface A LAN-side 10GE interface works at the data link layer, provides a maximum transmission rate of 10 Gbit/s, processes Layer 2 protocol packets, and implements Layer 2 forwarding.
    40GE interface A LAN-side 40GE interface works at the data link layer, provides a maximum transmission rate of 40 Gbit/s, processes Layer 2 protocol packets, and implements Layer 2 forwarding. A 40GE optical interface can work as an independent interface or be split into four 10GE optical interfaces.
    100GE interface A LAN-side 100GE interface works at the data link layer, provides a maximum transmission rate of 100 Gbit/s, processes Layer 2 protocol packets, and implements Layer 2 forwarding. A 100GE optical interface can work as an independent interface or be split into ten 10GE optical interfaces, four 10GE optical interfaces or two 40GE optical interfaces.
    Combo interface A combo port consists of an optical Ethernet port and an electrical Ethernet port on the panel. Each combo port matches only one internal forwarding port. The electrical and optical ports of a combo port are multiplexed, and only one of them can work at a time.
    Table 1-2 describes the management interfaces that the switch supports.
    Table 1-2  Description of management interfaces

    Interface

    Description

    Console interface

    A data connection equipment (DCE) interface that complies with the EIA/TIA-232 standard. The console interface is connected to the COM serial interface of a configuration terminal to set up an on-site configuration environment.

    ETH interface

    Complies with the 10/100BASE-TX standard. The ETH interface can be connected to a network interface of a configuration terminal or network management workstation to set up an on-site or remote configuration environment.

    Mini USB interface

    A Mini USB interface is connected to the USB interface of a PC to perform basic configuration and management of the device that is powered on for the first time. When both the Mini USB and console interfaces have a cable connected, only the Mini USB interface works.

  • Logical interfaces

    Logical interfaces do not physically exist. They are manually configured and can be used to exchange data and transmit service data.

    Table 1-3 describes the logical interfaces that the switch supports.
    Table 1-3  Description of logical interfaces
    Interface Description

    Eth-Trunk

    An Eth-Trunk has Layer 2 and Layer 3 features and is formed by binding multiple Ethernet interfaces to provide more bandwidth and higher transmission reliability.

    Tunnel interface

    A tunnel interface has Layer 3 features, transmits packets, and identifies and processes packets transmitted over a tunnel.

    MTunnel interface

    An MTunnel interface (MTI) is the ingress or egress of a multicast tunnel (MT). The local provider edge (PE) sends data of the private network through the MTI, and the remote PE receives data of the private network through the MTI.

    VLANIF interface

    A VLANIF interface has Layer 3 features and enables VLANs to communicate after being assigned an IP address.

    Logical CSS interface

    A Logical CSS interface is a logical interface used to implement the CSS function. The CSS function virtualizes multiple switches into a logical switch to provide massive data forwarding and improve network reliability in data centers.

    Ethernet sub-interface

    An Ethernet sub-interface is configured on a main interface to allow the local device to communicate with multiple remote devices.

    Loopback interface

    A loopback interface is always Up and can be configured with a 32-bit subnet mask.

    NULL interface

    A null interface is used to filter routes because any data packets received by the null interface are discarded.

    NVE interface

    An NVE interface is the logical interface to establish VXLAN tunnels with other NVE devices.

    VBDIF interface

    A VBDIF interface is the virtual interface based on a BD to support Layer 3 features and implement communication between different BDs, between BD and non-BD networks, and between BDs and Layer 3 networks.

    Virtual Ethernet (VE) interface A VE interface is used when other data link layer protocols need to be carried by the Ethernet protocol. A VE sub-interface can be created to allow an L2VPN to access to an L3VPN.
NOTE:

Physical interfaces are sometimes called ports. This document uses the term interface.

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Updated: 2019-04-09

Document ID: EDOC1100065861

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