3Com 4210G Series Configuration Manual page 65

# Assign ports GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 to aggregation group 1.
[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
# Create a Layer 2 aggregate interface Bridge-Aggregation 2 and configure the load sharing mode of
aggregation group 2 as the destination MAC-based load sharing mode.
[DeviceA] interface bridge-aggregation 2
[DeviceA-Bridge-Aggregation2] link-aggregation load-sharing mode destination-mac
[DeviceA-Bridge-Aggregation2] quit
# Assign ports GigabitEthernet 1/0/3 and GigabitEthernet 1/0/4 to aggregation group 2.
[DeviceA] interface gigabitethernet 1/0/3
[DeviceA-GigabitEthernet1/0/3] port link-aggregation group 2
[DeviceA-GigabitEthernet1/0/3] quit
[DeviceA] interface gigabitethernet 1/0/4
[DeviceA-GigabitEthernet1/0/4] port link-aggregation group 2
2) Configure Device B
The configuration on Device B is similar to the configuration on Device A.
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