Huawei AR550 Series - Page 7

1.9 Reference......................................................................................................................................................................29
2 Link Aggregation Configuration..............................................................................................30
2.1 Introduction to Link Aggregation.................................................................................................................................31
2.2 Principles......................................................................................................................................................................31
2.2.1 Concepts....................................................................................................................................................................31
2.2.2 Forwarding Principle.................................................................................................................................................33
2.2.3 Link Aggregation in Manual Load Balancing Mode.................................................................................................33
2.2.4 Link Aggregation in LACP Mode.............................................................................................................................33
2.2.5 Load Balancing Using Link Aggregation..................................................................................................................39
2.3 Application Environment.............................................................................................................................................39
2.3.1 Application of Eth-Trunk..........................................................................................................................................39
2.4 Configuration Task Summary......................................................................................................................................40
2.5 Default Settings............................................................................................................................................................41
2.6 Configuring Ethernet Link Aggregation.......................................................................................................................42
2.6.1 Configuring Link Aggregation in Manual Load Balancing Mode............................................................................42
2.6.1.1 Creating an Eth-Trunk............................................................................................................................................42
2.6.1.2 Setting the Manual Load Balancing Mode.............................................................................................................43
2.6.1.3 Adding Member Interfaces to an Eth-Trunk..........................................................................................................44
2.6.1.4 (Optional) Setting the Lower Threshold for the Number of Active Interfaces......................................................45
2.6.1.5 (Optional) Configuring a Load Balancing Mode...................................................................................................46
2.6.1.6 Checking the Configuration....................................................................................................................................47
2.6.2 Configuring Link Aggregation in LACP Mode........................................................................................................47
2.6.2.1 Creating an Eth-Trunk............................................................................................................................................47
2.6.2.2 Setting the LACP Mode.........................................................................................................................................48
2.6.2.3 Adding Member Interfaces to an Eth-Trunk..........................................................................................................49
2.6.2.4 (Optional) Setting the Upper and Lower Thresholds for the Number of Active Interfaces...................................51
2.6.2.5 (Optional) Configuring a Load Balancing Mode...................................................................................................52
2.6.2.6 (Optional) Setting the LACP System Priority........................................................................................................52
2.6.2.7 (Optional) Setting the LACP Interface Priority......................................................................................................53
2.6.2.8 (Optional) Configuring LACP Preemption............................................................................................................54
2.6.2.9 (Optional) Setting the Timeout Interval for Receiving LACPDUs........................................................................55
2.6.2.10 Checking the Configuration..................................................................................................................................56
2.6.3 Creating an Eth-Trunk Sub-interface.........................................................................................................................56
2.7 Maintaining Link Aggregation.....................................................................................................................................57
2.7.1 Clearing LACP Packet Statistics...............................................................................................................................57
2.7.2 Monitoring the LAG Operating.................................................................................................................................57
2.7.3 Using Ping to Monitor the Reachability of Layer 3 Eth-Trunk Member Interfaces.................................................58
2.8 Configuration Examples...............................................................................................................................................60
2.8.1 Example for Configuring Link Aggregation in Manual Load Balancing Mode.......................................................60
2.8.2 Example for Configuring Link Aggregation in LACP Mode....................................................................................62
2.8.3 Example for Configuring Layer 3 Link Aggregation................................................................................................66
Huawei AR530&AR550 Series Industrial Switch Routers
Configuration Guide - Ethernet Switching
Contents
Issue 01 (2014-11-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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