链路聚合典型配置案列

一、二层静态聚合配置举例

1.组网需求

Device B与Device B通过各自的二层以太网接口GigabitEthernet1/0/1~GigabitEthernet1/0/3相互连接。在DeviceA和DeviceB上分别配置二层静态链路聚合组，并实现设备间VLAN 10和VLAN 20分别互通。

2.组网拓扑图

3. 配置步骤

(1) 配置Device A

# 创建VLAN10，并将端口GigabitEthernet1/0/4加入到该VLAN中。

<DeviceA> system-view

[DeviceA] vlan 10

[DeviceA-vlan10] port gigabitethernet1/0/4

[DeviceA-vlan10] quit

# 创建VLAN20，并将端口GigabitEthernet1/0/5加入到该VLAN中。

[DeviceA] vlan 20

[DeviceA-vlan20] port gigabitethernet1/0/5

[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GigabitEthernet1/0/1至GigabitEthernet1/0/3加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1

[DeviceA-GigabitEthernet1/0/1] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/1]quit

[DeviceA] interface gigabitethernet1/0/2

[DeviceA-GigabitEthernet1/0/2] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/2]quit

[DeviceA] interface gigabitethernet1/0/3

[DeviceA-GigabitEthernet1/0/3] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/3]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 20

[DeviceA-Bridge-Aggregation1]quit

(2) 配置Device B

Device B的配置与Device A相似，配置过程略。

4. 验证配置

# 查看DeviceA上所有聚合组的详细信息。

[DeviceA] display link-aggregation verbose

Loadsharing Type: Shar -- Loadsharing,NonS -- Non-Loadsharing

Port Status: S -- Selected, U --Unselected, I -- Individual

Flags: A -- LACP_Activity, B --LACP_Timeout, C -- Aggregation,

D -- Synchronization, E --Collecting, F -- Distributing,

G -- Defaulted, H --Expired

Aggregate Interface:Bridge-Aggregation1

Aggregation Mode: Static

Loadsharing Type: Shar

Port Status Priority Oper-Key

--------------------------------------------------------------------------------

GE1/0/1 S 32768 1

GE1/0/2 S 32768 1

GE1/0/3 S 32768 1

以上信息表明，聚合组1为二层静态聚合组，包含有三个选中端口。

二、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接口GigabitEthernet1/0/1～GigabitEthernet1/0/3相互连接。

· 在DeviceA和DeviceB上分别配置二层动态链路聚合组，并实现设备间VLAN 10和VLAN 20分别互通。

# 创建VLAN10，并将端口GigabitEthernet1/0/4加入到该VLAN中。

<DeviceA> system-view

[DeviceA] vlan 10

[DeviceA-vlan10] port gigabitethernet 1/0/4

[DeviceA-vlan10] quit

# 创建VLAN20，并将端口GigabitEthernet1/0/5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

注意。这里是就是配置为动态模式。

[DeviceA-Bridge-Aggregation1]quit

# 分别将端口GigabitEthernet1/0/1至GigabitEthernet1/0/3加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1

[DeviceA-GigabitEthernet1/0/1] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/1]quit

[DeviceA] interface gigabitethernet1/0/2

[DeviceA-GigabitEthernet1/0/2] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/2]quit

[DeviceA] interface gigabitethernet 1/0/3

[DeviceA-GigabitEthernet1/0/3] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/3]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 20

[DeviceA-Bridge-Aggregation1] quit

(2) 配置Device B

Device B的配置与Device A相似，配置过程略。

4. 验证配置

# 查看DeviceA上所有聚合组的详细信息。

[DeviceA] display link-aggregation verbose

Loadsharing Type: Shar -- Loadsharing,NonS -- Non-Loadsharing

Port Status: S -- Selected, U --Unselected, I -- Individual

Flags: A -- LACP_Activity, B --LACP_Timeout, C -- Aggregation,

D -- Synchronization, E --Collecting, F -- Distributing,

G -- Defaulted, H --Expired

Aggregate Interface:Bridge-Aggregation1

Aggregation Mode: Dynamic Loadsharing Type: Shar

System ID: 0x8000,000f-e267-6c6a

Local:

Port Status Priority Oper-Key Flag

--------------------------------------------------------------------------------

GE1/0/1 S 32768 1 {ACDEF}

GE1/0/2 S 32768 1 {ACDEF}

GE1/0/3 S 32768 1 {ACDEF}

Remote:

Actor Partner Priority Oper-Key SystemID Flag

--------------------------------------------------------------------------------

GE1/0/1 1 32768 1 0x8000, 000f-e267-57ad {ACDEF}

GE1/0/2 2 32768 1 0x8000, 000f-e267-57ad {ACDEF}

GE1/0/3 3 32768 1 0x8000, 000f-e267-57ad {ACDEF}

以上信息表明，聚合组1为二层动态聚合组，包含有三个选中端口。

三、二层聚合负载分担配置举例

1. 组网需求

· Device A与Device B通过各自的二层以太网接口GigabitEthernet1/0/1～GigabitEthernet1/0/4相互连接。

· 在DeviceA和DeviceB上分别配置两个二层静态链路聚合组，并使两端的VLAN 10通过二层聚合接口1互通、VLAN20通过二层聚合接口2互通。

· 通过在聚合组1上按照源MAC地址进行聚合负载分担、在聚合组2上按照目的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。

# 创建VLAN10，并将端口GigabitEthernet1/0/5加入到该VLAN中。

<DeviceA> system-view

[DeviceA] vlan 10

[DeviceA-vlan10] port gigabitethernet1/0/5

[DeviceA-vlan10] quit

# 创建VLAN20，并将端口GigabitEthernet1/0/6加入到该VLAN中。

[DeviceA] vlan 20

[DeviceA-vlan20] port gigabitethernet1/0/6

[DeviceA-vlan20] quit

# 创建二层聚合接口1，并配置该接口对应的聚合组内按照源MAC地址进行聚合负载分担。

[DeviceA] interface bridge-aggregation 1

[DeviceA-Bridge-Aggregation1]link-aggregation load-sharing mode source-mac

[DeviceA-Bridge-Aggregation1]quit

# 分别将端口GigabitEthernet1/0/1和GigabitEthernet1/0/2加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1

[DeviceA-GigabitEthernet1/0/1] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/1]quit

[DeviceA] interface gigabitethernet1/0/2

[DeviceA-GigabitEthernet1/0/2] portlink-aggregation group 1

[DeviceA-GigabitEthernet1/0/2]quit

# 配置二层聚合接口1为Trunk端口，并允许VLAN 10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

[DeviceA-Bridge-Aggregation1]quit

# 创建二层聚合接口2，并配置该接口对应的聚合组内按照目的MAC地址进行聚合负载分担。

[DeviceA] interface bridge-aggregation 2

[DeviceA-Bridge-Aggregation2]link-aggregation load-sharing mode destination-mac

[DeviceA-Bridge-Aggregation2]quit

# 分别将端口GigabitEthernet1/0/3和GigabitEthernet1/0/4加入到聚合组2中。

[DeviceA] interface gigabitethernet 1/0/3

[DeviceA-GigabitEthernet1/0/3] port link-aggregation group 2

[DeviceA-GigabitEthernet1/0/3]quit

[DeviceA] interface gigabitethernet1/0/4

[DeviceA-GigabitEthernet1/0/4] port link-aggregation group 2

[DeviceA-GigabitEthernet1/0/4]quit

# 配置二层聚合接口2为Trunk端口，并允许VLAN 20的报文通过。

[DeviceA] interface bridge-aggregation 2

[DeviceA-Bridge-Aggregation2] port link-type trunk

[DeviceA-Bridge-Aggregation2] port trunk permit vlan 20

[DeviceA-Bridge-Aggregation2]quit

(2) 配置Device B

Device B的配置与Device A相似，配置过程略。

4. 验证配置

# 查看DeviceA上所有聚合组的详细信息。

[DeviceA] display link-aggregation verbose

Loadsharing Type: Shar -- Loadsharing,NonS -- Non-Loadsharing

Port Status: S -- Selected, U --Unselected, I -- Individual

Flags: A -- LACP_Activity, B --LACP_Timeout, C -- Aggregation,

D -- Synchronization, E --Collecting, F -- Distributing,

G -- Defaulted, H --Expired

Aggregate Interface:Bridge-Aggregation1

Aggregation Mode: Static

Loadsharing Type: Shar

Port Status Priority Oper-Key

--------------------------------------------------------------------------------

GE1/0/1 S 32768 1

GE1/0/2 S 32768 1

Aggregate Interface:Bridge-Aggregation2

Aggregation Mode: Static

Loadsharing Type: Shar

Port Status Priority Oper-Key

--------------------------------------------------------------------------------

GE1/0/3 S 32768 2

GE1/0/4 S 32768 2

以上信息表明，聚合组1和聚合组2都是负载分担类型的二层静态聚合组，各包含有两个选中端口。

# 查看DeviceA上所有聚合接口所对应聚合组内采用的聚合负载分担类型。

[DeviceA] display link-aggregation load-sharing mode interface

Bridge-Aggregation1 Load-Sharing Mode:

source-mac address

Bridge-Aggregation2 Load-Sharing Mode:

destination-mac address

以上信息表明，二层聚合组1按照报文的源MAC地址进行聚合负载分担，二层聚合组2按照报文的目的MAC地址进行聚合负载分担。

四、三层动态聚合配置举例

1. 组网需求

· Device A与Device B通过各自的三层以太网接口GigabitEthernet1/0/1～GigabitEthernet1/0/3相互连接。

· 在Device A和Device B上分别配置三层动态链路聚合组，并为对应的三层聚合接口配置IP地址和子网掩码。

2. 组网图

三层动态聚合配置组网图

3. 配置步骤

(1) 配置Device A

# 创建三层聚合接口1，配置该接口为动态聚合模式，并为其配置IP地址和子网掩码。

<DeviceA> system-view

[DeviceA] interface route-aggregation 1

[DeviceA-Route-Aggregation1] link-aggregation mode dynamic

[DeviceA-Route-Aggregation1] ip address 192.168.1.1 24

[DeviceA-Route-Aggregation1] quit

# 分别将接口GigabitEthernet1/0/1至GigabitEthernet1/0/3加入到聚合组1中。

[DeviceA] interface gigabitethernet 1/0/1

[DeviceA-GigabitEthernet1/0/1] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/1] quit

[DeviceA] interface gigabitethernet 1/0/2

[DeviceA-GigabitEthernet1/0/2] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/2] quit

[DeviceA] interface gigabitethernet 1/0/3

[DeviceA-GigabitEthernet1/0/3] port link-aggregation group 1

[DeviceA-GigabitEthernet1/0/3] quit

(2) 配置Device B

Device B的配置与Device A相似，配置过程略。

4. 验证配置

# 查看Device A上所有聚合组的详细信息。

[DeviceA] display link-aggregation verbose

Loadsharing Type: Shar -- Loadsharing, NonS -- Non-Loadsharing

Port Status: S -- Selected, U -- Unselected, I -- Individual

Flags: A -- LACP_Activity, B -- LACP_Timeout, C -- Aggregation,

D -- Synchronization, E -- Collecting, F -- Distributing,

G -- Defaulted, H -- Expired

Aggregate Interface: Route-Aggregation1

Aggregation Mode: Dynamic

Loadsharing Type: Shar

System ID: 0x8000, 000f-e267-6c6a

Local:

Port Status Priority Oper-Key Flag

--------------------------------------------------------------------------------

GE1/0/1 S 32768 1 {ACDEF}

GE1/0/2 S 32768 1 {ACDEF}

GE1/0/3 S 32768 1 {ACDEF}

Remote:

Actor Partner Priority Oper-Key SystemID Flag

--------------------------------------------------------------------------------

GE1/0/1 1 32768 1 0x8000, 000f-e267-57ad {ACDEF}

GE1/0/2 2 32768 1 0x8000, 000f-e267-57ad {ACDEF}

GE1/0/3 3 32768 1 0x8000, 000f-e267-57ad {ACDEF}

以上信息表明，聚合组1为非负载分担类型的三层动态聚合组，包含有三个选中端口。

链路聚合典型配置案列