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addition, for the purpose of LACP MAD, an intermediate device that supports extended LACPDUs
must be used.
Configuration procedure
This example assumes that the system names of Device A, Device B and Device C are DeviceA, DeviceB,
and DeviceC, respectively, before the IRF virtual device is formed.
1. Set member IDs
# Keep the default member ID of Device A unchanged.
# Set the member ID of Device B to 2.
<DeviceB> system-view
[DeviceB] irf member 1 renumber 2
Warning: Renumbering the switch number may result in configuration change or loss.
Continue? [Y/N]:y
[DeviceB]
2. Power off the two devices and connect IRF links and LACP MAD detection links according to Figure
13. Then power on the two devices.
# Create IRF port 2 on Device A, and bind it to the physical IRF port Ten-GigabitEthernet 1/0/25. Then
save the configuration.
<DeviceA> system-view
[DeviceA] interface ten-gigabitethernet 1/0/25
[DeviceA-Ten-GigabitEthernet1/0/25] shutdown
[DeviceA] irf-port 1/2
[DeviceA-irf-port1/2] port group interface ten-gigabitethernet 1/0/25
[DeviceA-irf-port1/2] quit
[DeviceA] interface ten-gigabitethernet 1/0/25
[DeviceA-Ten-GigabitEthernet1/0/25] undo shutdown
[DeviceA-Ten-GigabitEthernet1/0/25] save
# Create IRF port 1 on Device B, and bind it to the physical IRF port Ten-GigabitEthernet 2/0/26. Then
save the configuration.
<DeviceB> system-view
[DeviceB] interface ten-gigabitethernet 2/0/26
[DeviceB-Ten-GigabitEthernet2/0/26] shutdown
[DeviceB] irf-port 2/1
[DeviceB-irf-port2/1] port group interface ten-gigabitethernet 2/0/26
[DeviceB-irf-port2/1] quit
[DeviceB] interface ten-gigabitethernet 2/0/26
[DeviceB-Ten-GigabitEthernet2/0/26] undo shutdown
[DeviceB-Ten-GigabitEthernet2/0/26] save
# Activate IRF port configuration on Device A.
[DeviceA-Ten-GigabitEthernet1/0/25] quit
[DeviceA] irf-port-configuration active
# Activate IRF port configuration on Device B.
[DeviceB-Ten-GigabitEthernet2/0/26] quit
[DeviceB] irf-port-configuration active
3. Master election is held between the two devices. Master election rules are followed. Device B
reboots automatically and joins the Device A as a subordinate switch, and the IRF virtual device is
formed. The system name on both devices is DevcieA.
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