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S2700, S3700, S5700, S6700, S7700, and S9700 Series Switches Typical Configuration Examples

This document provides examples for configuring features in typical usage scenarios.
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Interworking Analysis

Interworking Analysis

Background

In Figure 3-67, to improve the server bandwidth and reliability, two or more network adapters of the server are aggregated to form a network adapter group to implement load balancing or redundancy.

Figure 3-67  Networking for connecting a Huawei series switch to a server with two network adapters

Interoperation Analysis

The interworking mode used by a Huawei S series switch to connect to a server depends on the binding mode of network adapters of the server. For details, see Table 3-99 and Table 3-100.

Table 3-99  Interworking mode of a Huawei S series switch and a Linux server

Network Adapter Binding Mode

Switch Interworking Mode

Description

round-robin

Configure link aggregation in manual mode.

The MAC addresses of network adapters of the server are changed to be the same so that switches interwork with the server using link aggregation in manual mode.

active-backup

Add connected interfaces to the same VLAN.

The server uses two network adapters that function as active and standby ones. All data is transmitted by the active interface. When a fault occurs on the link of the active interface, the link of the standby interface replaces the faulty link to transmit data. It is recommended that two interfaces of the switch be added to the same VLAN.

load balancing

Configure link aggregation in manual mode.

Network adapters of a server transmit data based on a specified hash policy, so the switch needs to interwork with the server using link aggregation in manual mode.

broadcast

Two switches are connected and join different VLANs.

Network adapters of a server provide two copies of a packet, and send them through two interfaces. You are advised to use two switches and add them to different VLANs.

lacp

Configure link aggregation in LACP mode.

Network adapters of a server are bound in LACP mode, and the switch connects to the server using link aggregation in LACP mode.

transmit load balancing

Connect two switches.

Network adapters of a server use adaptive transmission load balancing, so no configuration is required on the switch.

adaptive load balancing

Configure link aggregation in manual mode.

Network adapters of a server use adaptability load balancing (ALB), and the switch needs to use link aggregation in manual mode.

Table 3-100  Interworking mode of a Huawei S series switch and a Windows server

Network Adapter Binding Mode

Switch Interworking Mode

Description

Adapter fault tolerance (AFT)

Add connected interfaces of the switch to the same VLAN.

Network adapters of a server use AFT, so you are advised to add connected interfaces of the switch to the same VLAN.

ALB

Add connected interfaces of the switch to the same VLAN.

Network adapters of a server use ALB, so you are advised to add connected interfaces of the switch to the same VLAN.

Static link aggregation (SLA)

Configure link aggregation in manual mode.

Network adapters of a server use SLA, so the switch needs to use link aggregation in manual mode.

Dynamic LACP

Configure link aggregation in LACP mode.

Network adapters of a server use link aggregation in LACP mode, so the switch needs to use link aggregation in LACP mode.

Switch fault tolerance (SFT)

Connect two switches.

Network adapters of a server use SFT, so two switches are used.

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Updated: 2019-04-20

Document ID: EDOC1000069520

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