以太网链路聚合典型配置举例

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DPtech LSW3600-SI系列以太网交换机典型配置手册v1.4

DPtech LSW3600-SI 系列以太网交换机典型配置手册
手册版本：v1.4 软件版本：LSW3600-S221S002D013
DPtech LSW3600-SI 系列以太网交换机典型配置手册 v1.4.docx
声明
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DPtech LSW3600-SI 系列以太网交换机典型配置手册 v1.4.docx
目录
1 典型配置案例支持的设备型号 .................................................................................................................. 1 2 常用维护命令行介绍 ................................................................................................................................ 1
3 基本二三层转发配置案例 ......................................................................................................................... 9
3.1 二层转发简介 ........................................................................................................................................ 9 3.1.1 配置需求 ................................................................................................................................... 10 3.1.2 网络拓扑 ................................................................................................................................... 10 3.1.3 配置流程 ................................................................................................................................... 10 3.1.4 配置步骤 ................................................................................................................................... 10 3.2 三层转发简介 ....................................................................................................................................... 11 3.2.1 配置需求 .................................................................................................................................... 11 3.2.2 网络拓扑 .................................................................................................................................... 11 3.2.3 配置流程 .................................................................................................................................... 11 3.2.4 配置步骤 ................................................................................................................................... 12

链路聚合配置方法及步骤

链路聚合配置方法及步骤1.引言1.1 概述在概述部分，我们将介绍链路聚合配置方法及步骤。

链路聚合是一种将多个物理网络链路合并成一个逻辑链路的技术，它能够提高网络带宽、增强网络可用性和负载均衡能力。

链路聚合配置方法是指一系列实施链路聚合技术的具体步骤和操作。

在本文中，我们将首先简要介绍链路聚合的概念和作用，明确其在网络通信中的重要性和应用场景。

然后，我们将详细讨论链路聚合配置方法，包括配置前的准备工作、配置过程中的关键参数设置和配置完成后的验证步骤。

通过掌握链路聚合配置方法，读者可以了解如何在实际网络环境中配置和应用链路聚合技术。

接下来的章节中，我们将逐步深入探讨链路聚合的相关知识和实际操作。

最后，我们将对文章进行总结，回顾链路聚合配置方法及步骤的关键要点，并展望链路聚合技术在未来网络中的应用前景。

通过本文的阅读，读者将能够全面了解链路聚合配置方法及步骤，为网络管理员和工程师在实际工作中应用和配置链路聚合技术提供指导和帮助。

同时，我们也期待本文能够给读者带来新的思考和启示，促进在网络通信领域的技术创新和发展。

1.2 文章结构文章结构文章的结构是指整篇文章的组织框架和内容安排方式。

一个好的文章结构可以帮助读者更好地理解文章的主题和内容，使文章逻辑清晰，条理有序。

本文按照以下结构进行组织和安排：1. 引言：本部分主要对文章进行导言，引出链路聚合配置方法及步骤的背景和意义，同时介绍文章的结构和目的。

2. 正文：本部分主要对链路聚合的概念和作用进行介绍，然后详细阐述链路聚合配置方法及步骤。

2.1 链路聚合的概念和作用：本小节将解释链路聚合的基本概念，包括什么是链路聚合以及它的作用和优势。

2.2 链路聚合配置方法及步骤：本小节将具体介绍链路聚合的配置方法和步骤。

包括链路聚合的配置目标和原则，以及具体的配置步骤和注意事项，以便读者能够了解如何进行链路聚合的配置。

3. 结论：本部分对全文进行总结，对链路聚合配置方法及步骤的重要性和优势进行强调，并展望未来链路聚合配置方法的发展方向。

链路聚合典型配置

链路聚合典型配置链路聚合是将多个物理以太网端口聚合在一起形成一个逻辑上的聚合组，使用链路聚合服务的上层实体把同一聚合组内的多条物理链路视为一条逻辑链路。

链路聚合可以实现出/入负荷在聚合组中各个成员端口之间分担，以增加带宽。

同时，同一聚合组的各个成员端口之间彼此动态备份，提高了连接可靠性。

组网图Link aggregationSwitch B链路聚合配置示例图应用要求设备Switch A用3个端口聚合接入设备Switch B，从而实现出/入负荷在各成员端口中分担。

Switch A的接入端口为GigabitEthernet1/0/1～GigabitEthernet1/0/3。

配置过程和解释说明：以下只列出对Switch A的配置，对Switch B也需要作相同的配置，才能实现链路聚合。

采用手工聚合方式# 创建手工聚合组1。

<SwitchA> system-view[SwitchA] link-aggregation group 1 mode manual（interfacebridge-aggregation group 1 mode manual）# 将以太网端口GigabitEthernet1/0/1至GigabitEthernet1/0/3加入聚合组1。

[SwitchA] interface GigabitEthernet 1/0/1[SwitchA-GigabitEthernet1/0/1] port link-aggregation group 1[SwitchA-GigabitEthernet1/0/1] interface GigabitEthernet 1/0/2[SwitchA-GigabitEthernet1/0/2] port link-aggregation group 1[SwitchA-GigabitEthernet1/0/2] interface GigabitEthernet 1/0/3[SwitchA-GigabitEthernet1/0/3] port link-aggregation group 1采用静态LACP聚合方式# 创建静态LACP聚合组1。

H3C交换机_典型配置举例-6W100-以太网链路聚合典型配置举例

目录
1 链路聚合典型配置举例······················································································································· 1-1 1.1 简介 ···················································································································································1-1 1.2 二层链路聚合配置举例 ······················································································································1-1 1.2.1 适用产品和版本 ······················································································································1-1 1.2.2 组网需求 ·································································································································1-1 1.2.3 配置思路 ·································································································································1-1 1.2.4 配置注意事项 ··························································································································1-2 1.2.5 配置步骤 ·································································································································1-2 1.2.6 验证配置 ································································································································1-3 1.2.7 配置文件 ·································································································································1-4 1.3 二层聚合负载分担配置举例···············································································································1-5 1.3.1 适用产品和版本 ······················································································································1-5 1.3.2 组网需求 ·································································································································1-5 1.3.3 配置思路 ·································································································································1-6 1.3.4 配置注意事项 ··························································································································1-6 1.3.5 配置步骤 ·································································································································1-6 1.3.6 验证配置 ·································································································································1-7 1.3.7 配置文件 ·································································································································1-8 1.4 三层链路聚合配置举例 ······················································································································1-9 1.4.1 适用产品和版本 ······················································································································1-9 1.4.2 组网需求 ·······························································································································1-10 1.4.3 配置思路 ·······························································································································1-10 1.4.4 配置注意事项 ························································································································1-10 1.4.5 配置步骤 ·······························································································································1-10 1.4.6 验证配置 ·······························································································································1-11 1.4.7 配置文件 ·······························································································································1-12

H3C 链路聚合配置

操作手册接入分册链路聚合目录目录第1章链路聚合配置..............................................................................................................1-11.1 链路聚合简介.....................................................................................................................1-11.1.1 链路聚合的作用.......................................................................................................1-11.1.2 链路聚合的基本概念................................................................................................1-11.1.3 链路聚合的模式.......................................................................................................1-31.1.4 聚合组的负载分担类型............................................................................................1-51.2 配置静态聚合组..................................................................................................................1-61.3 配置动态聚合组..................................................................................................................1-71.4 聚合接口基本配置............................................................................................................1-101.4.1 配置聚合接口描述信息..........................................................................................1-101.4.2 配置三层聚合接口/三层聚合子接口的最大传输单元MTU......................................1-101.4.3 开启聚合接口链路状态变化Trap功能....................................................................1-111.4.4 关闭聚合接口.........................................................................................................1-111.5 链路聚合显示与维护........................................................................................................1-121.6 链路聚合典型配置举例.....................................................................................................1-121.6.1 组网需求................................................................................................................1-121.6.2 组网图....................................................................................................................1-131.6.3 配置步骤................................................................................................................1-13本文中标有“请以实际情况为准”的特性描述，表示各型号对于此特性的支持情况可能不同，本节将对此进行说明。

配置Eth-Trunk链路聚合

配置Eth-Trunk链路聚合原理概述在没有使⽤Eth-Trunk 前，百兆以太⽹的双绞线在两个互连的⽹络设备间的带宽仅为100Mbits.若想达到更⾼的数据传输速率，则需要更换传输媒介，使⽤千兆光纤或升级成为千兆以太⽹。

这样的解决⽅案成本较⾼。

如果采⽤Eth-Trunk 技术把多个接⼝捆绑在⼀起，则可以以较低的成本满⾜提⾼接⼝带宽的需求。

例如，把3个100Mbit/s 的全双⼯接⼝捆绑在⼀起，就可以达到300Mbit/s的最⼤带宽。

Eth-Trunk是⼀种捆绑技术，它将多个物理接⼝捆绑成-⼀个逻辑接⼝,这个逻辑接⼝就称为Eth-Trunk接⼝，捆绑在- -起的每个物理接⼝称为成员接⼝。

Eth-Trunk 只能由以太⽹链路构成。

Trunk 的优势在于:■负载分担，在⼀个Eth-Trunk接⼝内，可以实现流量负载分担:■提⾼可靠性，当某个成员接⼝连接的物理链路出现故障时，流量会切换到其他可⽤的链路上，从⽽提⾼整个Trunk链路的可靠性;■增加带宽， Trunk接⼝的总带宽是各成员接⼝带宽之和。

Eth-Trunk在逻辑上把多条物理链路捆绑等同于⼀条逻辑链路，对上层数据透明传输。

所有Eth-Trunk中物理接⼝的参数必须⼀致，Eth-Trunk 链路两端要求⼀致的物理参数有: Eth-Trunk链路两端相连的物理接⼝类型、物理接⼝数量、物理接⼝的速率、物理接⼝的双⼯⽅式以及物理接⼝的流控⽅式。

实验内容本实验模拟企业⽹络环境。

SI 和S2为企业核⼼交换机，PC-1 属于A部门终端设备，PC-2属于B 部门终端设备。

根据企业规划，SI 和S2之间线路原由⼀条光纤线路相连，但出于带宽和冗余⾓度考虑需要对其进⾏升级，可使⽤Eth-Trunk 实现此需求。

实验拓扑配置Eth-Trunk链路聚合的拓扑如图5-3所⽰。

实验编址实验编址见表5-2.M A C地址本实验的MAC地址见表5-3.实验步骤1.基本配置根据实验编址表进⾏相应的基本配置，并使⽤ping命令检测各PC之间的连通性。

华为交换机两种端口聚合模式使用实例剖析

2.5 配置举例介绍了两种模式下的典型应用场景举例。

2.5.1 配置手工负载分担模式链路聚合示例2.5.2 配置静态LACP 模式链路聚合示例2.5.1 配置手工负载分担模式链路聚合示例2 LACP 配置组网需求如图2-4 所示，S-switch-A 和S-switch-B 为两台S-switch 设备，它们之间的链路为某城域网骨干传输链路之一，要求S-switch-A 和S-switch-B 之间的链路有较高的可靠性，并在S-switch-A 和S-switch-B 之间实现数据流量的负载分担。

配置思路采用如下的思路配置负载分担链路聚合：1. 创建Eth-Trunk。

2. 加入Eth-Trunk 的成员接口。

说明创建Eth-Trunk 后，缺省的工作模式为手工负载分担模式，所以，缺省情况下，不需要配置其模式为手工负载分担模式。

如果当前模式已经配置为其它模式，可以使用mode 命令更改。

数据准备为完成此配置例，需准备的数据：l 链路聚合组编号。

l Eth-Trunk 的成员接口类型和编号。

配置步骤1. 创建Eth-Trunk# 配置S-switch-A。

<Quidway> system-view[Quidway] sysname S-switch-A[S-switch-A] interface eth-trunk 1[S-switch-A-Eth-Trunk1] quit# 配置S-switch-B。

<Quidway> system-view[Quidway] sysname S-switch-B[S-switch-B] interface eth-trunk 1[S-switch-B-Eth-Trunk1] quit2. 加入Eth-Trunk 的成员接口# 配置S-switch-A。

[S-switch-A] interface Ethernet0/0/1[S-switch-A-Ethernet0/0/1] eth-trunk 1[S-switch-A-Ethernet0/0/1] quit[S-switch-A] interface Ethernet0/0/2[S-switch-A-Ethernet0/0/2] eth-trunk 1[S-switch-A-Ethernet0/0/2] quit[S-switch-A] interface Ethernet0/0/3[S-switch-A-Ethernet0/0/3] eth-trunk 1[S-switch-A-Ethernet0/0/3] quit# 配置S-switch-B。

h3c链路聚合配置及实例

1 以太网链路聚合配置任务简介表1-5 以太网链路聚合配置任务简介配置任务说明详细配置配置聚合组配置静态聚合组二者必选其一1.3.1 配置动态聚合组 1.3.2聚合接口相关配置配置聚合接口的描述信息可选 1.4.1 配置三层聚合接口MTU 可选 1.4.2 配置处理或转发三层聚合接口流量的业务处理板可选 1.4.3 开启聚合接口链路状态变化Trap功能可选 1.4.4 限制聚合组内选中端口的数量可选 1.4.5 关闭聚合接口可选 1.4.6 恢复聚合接口的缺省配置可选 1.4.7配置聚合负载分担配置聚合负载分担类型可选 1.5.1配置聚合负载分担为本地转发优先可选 1.5.2 配置聚合流量重定向功能可选 1.6 2 1.3 配置聚合组请根据需要聚合的以太网接口类型来配置相应类型的聚合组：当需要聚合的是二层以太网接口时，请配置二层聚合组；当需要聚合的是三层以太网接口时，请配置三层聚合组。

聚合链路的两端应配置相同的聚合模式。

●配置或使能了下列功能的端口将不能加入二层聚合组：RRPP（请参见“可靠性配置指导/RRPP”）、MAC地址认证（请参见“安全配置指导/MAC地址认证”）、端口安全模式（请参见“安全配置指导/端口安全”）、报文过滤功能（请参见“安全配置指导/防火墙”）、以太网帧过滤功能（请参见“安全配置指导/防火墙”）、IP Source Guard功能（请参见“安全配置指导/IP Source Guard”）、802.1X功能（请参见“安全配置指导/802.1X”）以及Portal免认证规则源接口（请参见“安全配置指导/Portal”）。

●配置或使能了下列功能的接口将不能加入三层聚合组：IP地址（请参见“三层技术-IP业务配置指导/IP地址”）、DHCP客户端（请参见“三层技术-IP业务配置指导/DHCP”）、BOOTP客户端（请参见“三层技术-IP业务配置指导/DHCP”）、VRRP功能（请参见“可靠性配置指导/VRRP”）和Portal功能（请参见“安全配置指导/Portal”）。

链路聚合配置命令

目录1 链路聚合配置命令................................................................................................................................ 1-11.1 链路聚合配置命令............................................................................................................................. 1-11.1.1 description .............................................................................................................................. 1-11.1.2 display lacp system-id ............................................................................................................ 1-21.1.3 display link-aggregation member-port.................................................................................... 1-21.1.4 display link-aggregation summary.......................................................................................... 1-41.1.5 display link-aggregation verbose............................................................................................ 1-51.1.6 enable snmp trap updown...................................................................................................... 1-71.1.7 interface bridge-aggregation .................................................................................................. 1-81.1.8 lacp port-priority...................................................................................................................... 1-81.1.9 lacp system-priority................................................................................................................. 1-91.1.10 link-aggregation mode........................................................................................................ 1-101.1.11 port link-aggregation group ................................................................................................ 1-101.1.12 reset lacp statistics............................................................................................................. 1-111.1.13 shutdown ............................................................................................................................ 1-111 链路聚合配置命令●本手册中提到的三层以太网接口是指已经被配置为路由模式的以太网端口，有关以太网端口模式切换的操作，请参见接入分册的“以太网端口”部分。

H3C静态链路聚合的典型配置

H3C静态链路聚合的典型配置一、组网需求：两台H3C S3500-EA A,B之间做静态链路聚合。

这里假设e1/0/1,e1/0/2,e1/0/3端口都是trunk端口，允许vlan 10,20,30通过。

二、组网图：三、配置步骤：(1)设备A上的配置#创建二层聚合端口[switch-A] interface Bridge-Aggregation 1[switch-A-Bridge-Aggregation1] port link-type trunk[switch-A-Bridge-Aggregation1] port trunk permit vlan 10 20 30 #分别将设备A上端口e1/0/1,e1/0/2,e1/0/3加入到聚合组中[switch-A] interface Ethernet 1/0/1[switch-A-Ethernet1/0/1] port link-type trunk[switch-A-Ethernet1/0/1] port trunk permit vlan 10 20 30[switch-A-Ethernet1/0/1]port link-aggregation group 1[switch-A] interface Ethernet 1/0/2[switch-A-Ethernet1/0/2] port link-type trunk[switch-A-Ethernet1/0/2] port trunk permit vlan 10 20 30[switch-A-Ethernet1/0/2]port link-aggregation group 1[switch-A] interface Ethernet 1/0/3[switch-A-Ethernet1/0/3] port link-type trunk[switch-A-Ethernet1/0/3] port trunk permit vlan 10 20 30[switch-A-Ethernet1/0/3]port link-aggregation group 1(2)设备B上的配置设备B上的配置和A类似，这里从略。

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1.8 以太网链路聚合典型配置举例在聚合组中，只有端口属性类配置（请参见“1.1 4. 配置分类”）和第二类配置（请参见“1.1 4. 配置分类”）都与参考端口（请参见“1.1 5. 参考端口”）相同的成员端口才可以成为选中端口。

因此，用户需通过配置使各成员端口的上述配置与参考端口保持一致，而除此以外的其它配置则只需在聚合接口上进行，不必再在成员端口上重复配置。

1.8.1 二层静态聚合配置举例1. 组网需求•  Device A与Device B通过各自的二层以太网端口GigabitEthernet 1/0/1～GigabitEthernet 1/0/3相互连接。

•  在Device A和Device B上分别配置二层静态链路聚合组，并使两端的VLAN 10和VLAN 20之间分别互通。

•  通过按照报文的源MAC地址和目的MAC地址进行聚合负载分担的方式，来实现数据流量在各成员端口间的负载分担。

2. 组网图图1-5 二层静态聚合配置组网图3. 配置步骤(1) 配置Device A# 创建VLAN 10，并将端口GigabitEthernet 1/0/4加入到该VLAN中。

<DeviceA> system-view[DeviceA] vlan 10[DeviceA-vlan10] port gigabitethernet 1/0/4[DeviceA-vlan10] quit# 创建VLAN 20，并将端口GigabitEthernet 1/0/5加入到该VLAN中。

[DeviceA] vlan 20[DeviceA-vlan20] port gigabitethernet 1/0/5[DeviceA-vlan20] quit# 创建二层聚合接口1。

[DeviceA] interface bridge-aggregation 1[DeviceA-Bridge-Aggregation1] quit# 分别将端口GigabitEthernet 1/0/1至GigabitEthernet 1/0/3加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1[DeviceA-GigabitEthernet 1/0/1] port link-aggregation group 1[DeviceA-GigabitEthernet 1/0/1] quit[DeviceA] interface gigabitethernet 1/0/2[DeviceA-GigabitEthernet 1/0/2] port link-aggregation group 1[DeviceA-GigabitEthernet 1/0/2] quit[DeviceA] interface gigabitethernet 1/0/3[DeviceA-GigabitEthernet 1/0/3] port link-aggregation group 1[DeviceA-GigabitEthernet 1/0/3] quit# 配置二层聚合接口1为Trunk端口，并允许VLAN 10和20的报文通过。

[DeviceA] interface bridge-aggregation 1[DeviceA-Bridge-Aggregation1] port link-type trunk[DeviceA-Bridge-Aggregation1] port trunk permit vlan 10 20Please wait... Done.Configuring GigabitEthernet 1/0/1... Done.Configuring GigabitEthernet 1/0/2... Done.Configuring GigabitEthernet 1/0/3... Done.[DeviceA-Bridge-Aggregation1] quit# 配置全局按照报文的源MAC地址和目的MAC地址进行聚合负载分担。

[DeviceA] link-aggregation load-sharing mode source-mac destination-mac (2) 配置Device BDevice B的配置与Device A相似，配置过程略。

(3) 检验配置效果# 查看Device A上所有聚合组的摘要信息。

[DeviceA] display link-aggregation summaryAggregation Interface Type:BAGG -- Bridge-Aggregation, RAGG -- Route-AggregationAggregation Mode: S -- Static, D -- DynamicLoadsharing Type: Shar -- Loadsharing, NonS -- Non-LoadsharingActor System ID: 0x8000, 000f-e2ff-0001AGG AGG PartnerID Select Unselect ShareInterface ModePorts Ports Type-------------------------------------------------------------------------------BAGG1 S none3 0 Shar以上信息表明，聚合组1为负载分担类型的二层静态聚合组，包含有三个选中端口。

# 查看Device A上全局采用的聚合负载分担类型。

[DeviceA] display link-aggregation load-sharing modeLink-Aggregation Load-Sharing Mode:destination-mac address, source-mac address以上信息表明，所有聚合组都按照报文的源MAC地址和目的MAC地址进行聚合负载分担。

1.8.2 二层动态聚合配置举例1. 组网需求•  Device A与Device B通过各自的二层以太网端口GigabitEthernet 1/0/1～GigabitEthernet 1/0/3相互连接。

•  在Device A和Device B上分别配置二层动态链路聚合组，并使两端的VLAN 10和VLAN 20之间分别互通。

•  通过按照报文的源MAC地址和目的MAC地址进行聚合负载分担的方式，来实现数据流量在各成员端口间的负载分担。

2. 组网图图1-6 二层动态聚合配置组网图3. 配置步骤(1) 配置Device A# 创建VLAN 10，并将端口GigabitEthernet 1/0/4加入到该VLAN中。

<DeviceA> system-view[DeviceA] vlan 10[DeviceA-vlan10] port gigabitethernet 1/0/4[DeviceA-vlan10] quit# 创建VLAN 20，并将端口GigabitEthernet 1/0/5加入到该VLAN中。

[DeviceA] vlan 20[DeviceA-vlan20] port gigabitethernet 1/0/5[DeviceA-vlan20] quit# 创建二层聚合接口1，并配置该接口为动态聚合模式。

[DeviceA] interface bridge-aggregation 1[DeviceA-Bridge-Aggregation1] link-aggregation mode dynamic# 分别将端口GigabitEthernet 1/0/1至GigabitEthernet 1/0/3加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1[DeviceA-GigabitEthernet 1/0/1] port link-aggregation group 1 [DeviceA-GigabitEthernet 1/0/1] quit[DeviceA] interface gigabitethernet 1/0/2[DeviceA-GigabitEthernet 1/0/2] port link-aggregation group 1 [DeviceA-GigabitEthernet 1/0/2] quit[DeviceA] interface gigabitethernet 1/0/3[DeviceA-GigabitEthernet 1/0/3] port link-aggregation group 1 [DeviceA-GigabitEthernet 1/0/3] quit# 配置二层聚合接口1为Trunk端口，并允许VLAN 10和20的报文通过。