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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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Overview of Logical Interfaces

Overview of Logical Interfaces

Logical interfaces do not exist physically. They are manually configured for data exchange.

This topic describes logical interfaces supported by devices.

Table 21-1  Logical interface types
Interface Description Configuration Reference
Eth-Trunk interface has Layer 2 or Layer 3 features. An Eth-Trunk interface is formed by binding multiple Ethernet interfaces to provide more bandwidth and higher transmission reliability. For details about how to configure an Eth-Trunk interface, see Link Aggregation Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: LAN .
Virtual-Template (VT) interface Used when PPP needs to transmit packets of other link layer protocols. -
Virtual-Ethernet (VE) interface used when other data link layer protocols need to be carried by the Ethernet protocol. -
MP-Group interface used to perform MP binding. MP group interfaces are dedicated to the MP application and usually used in scenarios requiring dynamic bandwidth. For details about how to configure an MP Group interface, see MP Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WAN.
Dialer interface used to implement the Dialer Control Center (DCC) function. A physical interface can be bound to a dialer interface to inherit the configuration of the dialer interface. For details about how to configure a dialer interface, see DCC Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WAN.
Tunnel interface has Layer 3 features, transmits packets, and identifies and processes packets transmitted over a tunnel. For details about how to configure a tunnel interface, see GRE Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: VPN.
VLANIF interface has Layer 3 features and enables VLANs to communicate after being assigned an IP address. For details about how to configure a VLANIF interface, see VLAN Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: LAN Configuration.
Sub-interface A sub-interface is a virtual interface configured on a physical interface to allow a physical link to communicate with multiple remote devices. -
MFR interface If a single FR link cannot provide sufficient bandwidth, and multiple FR physical links exist between devices, you can bundle these FR physical links into a Multilink Frame Relay (MFR) link to increase bandwidth.
NOTE:

The AR109, AR109W, AR109GW-L, AR129CGVW-L do not support the MFR interface.

NOTE:

AR100-S series does not support the MFR interface.

For details about how to configure an MFR interface, see FR Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WAN Interconnection.
Loopback interface A loopback interface is always Up and can be configured with a 32-bit subnet mask. -
NULL interface used in route filtering because any network packets sent to this interface are discarded. -
Bridge interface A bridge interface has Layer 3 features and enables users on different network segments on a transparent bridge to communicate with each other after being assigned an IP address. For details about how to configure a bridge interface, see Transparent Bridging Configuration in the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: LAN Configuration.
Wlan-Radio interface Wlan-Radio interface is a kind of logical interface. You can configure the radio after creating a wlan-radio interface. For details about how to configure a Wlan-Radio interface, see the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WLAN-FAT AP.
WLAN-BSS interface A WLAN-BSS interface is a virtual Layer 2 interface. Similar to a Layer 2 Ethernet interface of the hybrid type, a WLAN-BSS interface has Layer 2 attributes and supports multiple Layer 2 protocols. After creating a WLAN-BSS interface, bind a service set to the interface. For details about how to configure a WLAN-BSS interface, see the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WLAN-FAT AP.
WLAN-ESS interface A WLAN-ESS interface is a virtual Layer 2 interface. Similar to a Layer 2 Ethernet interface of the hybrid type, a WLAN-ESS interface has Layer 2 attributes and supports multiple Layer 2 protocols. For details about how to configure a WLAN-ESS interface, see the Huawei AR100&AR120&AR150&AR160&AR200&AR1200&AR2200&AR3200&AR3600 Series Enterprise Routers Configuration Guide: WLAN-AC.
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Updated: 2019-03-06

Document ID: EDOC1100069331

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