3Com S7906E Configuration Manual page 2600

[Sysname-Ten-GigabitEthernet2/3/0/25] undo shutdown
[Sysname-Ten-GigabitEthernet2/3/0/25] save
2) Power off the two devices. Connect them as shown in
and the IRF is established.
3) Configure LACP MAD detection
# Create a dynamic aggregation port and enable LACP MAD detection.
<Sysname> system-view
[Sysname] interface bridge-aggregation 2
[Sysname-Bridge-Aggregation2] link-aggregation mode dynamic
[Sysname-Bridge-Aggregation2] mad enable
[Sysname-Bridge-Aggregation2] quit
# Add ports 1/3/0/2 and 2/3/0/2 to the aggregation port and they are dedicated to the LACP MAD
detection for Device A and Device B.
[Sysname] interface gigabitethernet 1/3/0/2
[Sysname-GigabitEthernet1/3/0/2] port link-aggregation group 2
[Sysname-GigabitEthernet1/3/0/2] quit
[Sysname] interface gigabitethernet 2/3/0/2
[Sysname-GigabitEthernet2/3/0/2] port link-aggregation group 2
4) Configure the intermediate device
# Create a dynamic aggregation port.
<Sysname> system-view
[Sysname] interface bridge-aggregation 2
[Sysname-Bridge-Aggregation2] link-aggregation mode dynamic
[Sysname-Bridge-Aggregation2] quit
# Add ports 3/0/1 and 3/0/2 to the aggregation port and they are used for the LACP MAD detection.
[Sysname] interface gigabitethernet 3/0/1
[Sysname-GigabitEthernet3/0/1] port link-aggregation group 2
[Sysname-GigabitEthernet3/0/1] quit
[Sysname] interface gigabitethernet 3/0/2
[Sysname-GigabitEthernet3/0/2] port link-aggregation group 2
Figure 1-9
1-24
with IRF cables. Power them on,