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CLI-based Configuration Guide - Interface Management

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of Ethernet Interfaces

Overview of Ethernet Interfaces

Ethernet interfaces, including Ethernet electrical and optical interfaces, are used in local area networks (LANs).

The following Ethernet interfaces are provided on a device to meet network requirements:

  • Layer 2 Ethernet interface: a physical interface that works at the data link layer and cannot be assigned with an IP address. It is used to forward packets at Layer 2 and can be added to a VLAN to forward packets at Layer 3 through a VLANIF interface.
  • Layer 3 Ethernet interface: a physical interface that works at the network layer and can be assigned with an IP address. It can be used to forward packets at Layer 3.

Layer 2 Ethernet interface

Layer 2 Ethernet interfaces include FE electrical interfaces, GE electrical interfaces, and GE optical interfaces.
  • The

    AR1200, AR2200, AR3200, and AR3600 series routers support FE electrical interfaces, GE electrical interfaces, and GE optical interfaces.

  • The AR120 (except AR129CV, AR129CVW, AR129CGVW-L, )AR150 and AR200 series routers support only FE electrical interfaces.
  • The AR100, AR129CV, AR129CVW, AR129CGVW-L, and AR160 series routers support only GE electrical interfaces.

You can change the working mode of the following Ethernet interfaces on a router from Layer 2 mode to Layer 3 mode.

  • For the AR100, AR120 (excluding the AR129CV, AR129CVW, AR129CGVW-L, ) and AR150 series routers, Eth0/0/0 to Eth0/0/3 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working modes of Eth0/0/0 to Eth0/0/3 from Layer 2 mode to Layer 3 mode.

  • For the AR100, AR160 series, and AR129CV, AR129CVW, AR129CGVW-L, , GE0/0/0 to GE0/0/3 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of GE0/0/0 to GE0/0/3 from Layer 2 mode to Layer 3 mode.

  • For the AR200 series, AR1220, AR1220V, AR1220W, AR1220VW, and AR1220F routers, Eth0/0/0 to Eth0/0/7 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of Eth0/0/0 to Eth0/0/7 from Layer 2 mode to Layer 3 mode.

  • For the AR1220C, AR1220E, AR1220EV, and AR1220EVW, GE0/0/0 to GE0/0/7 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of GE0/0/0 to GE0/0/7 from Layer 2 mode to Layer 3 mode.

  • For the AR2201-48FE and AR2202-48FE, Eth0/0/0 and Eth0/0/47 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of Eth0/0/0 and Eth0/0/47 from Layer 2 mode to Layer 3 mode.

  • For the AR2204-51GE-P, AR2204-51GE-R, and AR2204-51GE, GE0/0/3 to GE0/0/50 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of GE0/0/3 to GE0/0/50 from Layer 2 mode to Layer 3 mode.

  • For the AR2204-27GE-P and AR2204-27GE, GE0/0/3 to GE0/0/26 are Layer 2 Ethernet interfaces by default. You can run the undo portswitch command to change the working mode of GE0/0/3 to GE0/0/26 from Layer 2 mode to Layer 3 mode.

After the reserved VLAN ID of the 9ES2 Ethernet LAN card (excluding the 9ES2 Ethernet LAN card installed on the AR1200 series router ) is delivered using the set reverved-vlan command, the working modes of all interfaces on the card can be changed from Layer 2 mode to Layer 3 mode.

Table 2-1 lists attributes of Layer 2 Ethernet interfaces.

Table 2-1  Attributes of Layer 2 Ethernet interfaces

Interface

Rate (Mbit/s)

Duplex Mode

Auto-Negotiation

Flow Control

Flow Control Auto-Negotiation

FE electrical interface

10

Full-duplex/half-duplex

Supported

Supported

Not supported

100

Full-duplex/half-duplex

GE electrical interface

10

Full-duplex/half-duplex

Supported

Supported

Supported

100

Full-duplex/half-duplex

1000

Full-duplex

GE optical interface

NOTE:

After a GE copper module is installed on an optical interface of the 4GE-2S interface card, attributes of the optical interface are the same as those of a GE electrical interface.

100

Full-duplex

Supported

NOTE:

GE optical interfaces do not support auto-negotiation after FE optical modules are installed on the interfaces.

Supported

Supported

1000

Full-duplex

Layer 3 Ethernet interface

Layer 3 Ethernet interfaces include FE electrical interfaces, GE electrical interfaces, GE optical interfaces, and 10GE optical interfaces.
  • The AR1200, AR2200, AR3200, and AR3600 series routers support FE electrical interfaces, GE electrical interfaces, and GE optical interfaces.

  • The AR120 (excluding the AR129CGVW-L) and AR150 and AR200 series routers support only FE electrical interfaces. The AR161, AR161W, AR161EW, AR161EW-M1, AR161G-L, AR161G-Lc, AR161G-U, AR169, AR169W, AR169EW, AR169CVW, AR169EGW-L, AR169CVW-4B4S, AR169G-L, AR169W-P-M9, AR169RW-P-M9, and AR169-P-M9 support GE electrical interfaces. Other AR160 series routers support GE electrical interfaces and GE optical interfaces.

  • For the AR2240 and AR3260, only the SRU200, SRU200E, and SRU400 support 10GE interfaces.

  • The AR109, AR109W, AR109GW-L, and AR129CGVW-L support only GE electrical interfaces.

NOTE:
  • By default, an Ethernet interface works in auto-negotiation mode, which is recommended. If the negotiation succeeds, the two interfaces work at the same duplex mode and speed. The settings of the SPEED and DUPLEX parameters and auto-negotiation mode must be the same at the local and peer ends. Otherwise, negotiation may fail. The interface auto-negotiation mode, duplex mode and speed support depend on the device.

  • Combo interfaces do not support to insert copper transceiver module.

AR2220E and AR2240&AR3260 series (except AR2240C) can run the portswitch command to change the working mode of all interfaces on the SRU, 4GECS and 2X10GL from Layer 3 mode to Layer 2 mode. The interfaces that change the working mode to layer 2 only support VXLAN.

Table 2-2 lists attributes of Layer 3 Ethernet interfaces.

Table 2-2  Attributes of Layer 3 Ethernet interfaces

Interface

Rate (Mbit/s)

Duplex Mode

Auto-Negotiation

Flow Control

Flow Control Auto-Negotiation

FE electrical interface

10

Full-duplex/half-duplex

Supported

Supported

Not supported

100

Full-duplex/half-duplex

GE electrical interface

10

Full-duplex/half-duplex

Supported

Supported

Supported

100

Full-duplex/half-duplex

1000

Full-duplex

GE optical interface

NOTE:

After a GE copper module is installed on an optical interface of the 4GEW-S interface card, attributes of the optical interface are the same as those of a GE electrical interface.

100

Full-duplex

Supported

NOTE:

GE optical interfaces do not support auto-negotiation after FE optical modules are installed on the interfaces.

Supported

Supported

1000

Full-duplex

XGE (10GE) optical interface

NOTE:

For the AR2240 and AR3260, only the SRU200E, SRU200 and SRU400 support the 10GE interface. The AR2204XE and AR2204XE-DC support the 10GE interface.

The 2X10GL (2-Port 10GE Optical Ports Interface Card) support 10GE interfaces. For the mapping between the device and interface card, see VDSL2 (1-Port VDSL2 over POTS WAN Interface Card).

1000

Full-duplex

Not supported

Supported

Not supported

10000

Full-duplex

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Updated: 2019-03-06

Document ID: EDOC1100069331

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