1.1 Introduction to Link Aggregation.......................................................................................................................2

1.2 Link Aggregation Supported by the AR3200.....................................................................................................2

1.3 Configuring Link Aggregation in Manual Load Balancing Mode.....................................................................3

1.3.1 Establishing the Configuration Task.........................................................................................................3

1.3.2 Creating an Eth-Trunk Interface................................................................................................................4

1.3.3 Configuring an Eth-Trunk to Work in Manual Load Balancing Mode.....................................................5

1.3.4 Adding Member Interfaces to an Eth-Trunk.............................................................................................6

1.3.5 (Optional) Configuring the Load Balancing Mode...................................................................................7

1.3.6 (Optional) Limiting the Number of Active Interfaces...............................................................................8

1.3.7 Checking the Configuration.......................................................................................................................9

1.4 Configuring Link Aggregation in Static LACP Mode.....................................................................................10

1.4.1 Establishing the Configuration Task.......................................................................................................10

1.4.2 Creating an Eth-Trunk Interface..............................................................................................................11

1.4.3 Configuring an Eth-Trunk to Work in Static LACP Mode.....................................................................12

1.4.4 Adding Member Interfaces to an Eth-Trunk...........................................................................................12

1.4.5 (Optional) Configuring the Load Balancing Mode.................................................................................14

1.4.6 (Optional) Limiting the Number of Active Interfaces.............................................................................15

1.4.7 (Optional) Setting the LACP Priority of the System...............................................................................16

1.4.8 (Optional) Setting the LACP Priority for an Interface............................................................................16

1.4.9 (Optional) Enabling LACP Preemption and Setting the Preemption Delay...........................................17

1.4.10 (Optional) Setting the Timeout Interval for Receiving LACP Packets.................................................18

1.4.11 Checking the Configuration...................................................................................................................18

1.5 Maintaining Link Aggregation.........................................................................................................................19

1.5.1 Clearing Statistics of LACP Packets.......................................................................................................19

1.5.2 Debugging the Link Aggregation Group.................................................................................................20

1.5.3 Monitoring the Operating Status of the Link Aggregation Group..........................................................20

1.6 Configuration Examples...................................................................................................................................21

1.6.1 Example for Configuring Link Aggregation in Manual Load Balancing Mode.....................................21

1.6.2 Example for Configuring Link Aggregation in Static LACP Mode.......................................................23

1.6.3 Example for Configuring Layer 3 Link Aggregation..............................................................................26

2 Transparent Bridging Configuration.......................................................................................30

Issue 02 (2012-03-30)

Huawei Proprietary and Confidential

Contents