二层动态链路聚合
[SW1]lacp system-priority 128
[SW1]interface Bridge-Aggregation 1
[SW1-Bridge-Aggregation1]link-aggregation mode dynamic
[SW1-Bridge-Aggregation1]quit
[SW1]interface GigabitEthernet 1/0/47
[SW1-GigabitEthernet1/0/47]port link-aggregation group 1
[SW1-GigabitEthernet1/0/47]lacp period short
[SW1-GigabitEthernet1/0/47]link-aggregation port-priority 128
[SW1-GigabitEthernet1/0/47]qu
[SW1]interface Bridge-Aggregation 1
[SW1-Bridge-Aggregation1]port link-type trunk
[SW1-Bridge-Aggregation1]port trunk permit vlan 10 20
原文：https://www.cnblogs.com/niuruyun/p/10912855.html