H3C S6850 Series Configuration Manual page 106

# Create Layer 2 aggregate interface Bridge-Aggregation 10, and set the link aggregation mode
to dynamic.
<DeviceA> system-view
[DeviceA] interface bridge-aggregation 10
[DeviceA-Bridge-Aggregation10] link-aggregation mode dynamic
[DeviceA-Bridge-Aggregation10] quit
# Assign Twenty-FiveGigE 1/0/1 through Twenty-FiveGigE 1/0/3 to aggregation group 10.
[DeviceA] interface twenty-fivegige 1/0/1
[DeviceA-Twenty-FiveGigE1/0/1] port link-aggregation group 10
[DeviceA-Twenty-FiveGigE1/0/1] quit
[DeviceA] interface twenty-fivegige 1/0/2
[DeviceA-Twenty-FiveGigE1/0/2] port link-aggregation group 10
[DeviceA-Twenty-FiveGigE1/0/2] quit
[DeviceA] interface twenty-fivegige 1/0/3
[DeviceA-Twenty-FiveGigE1/0/3] port link-aggregation group 10
[DeviceA-Twenty-FiveGigE1/0/3] quit
2. Configure Device B:
# Set the LACP system MAC address to 0001-0001-0001.
<DeviceB> system-view
[DeviceB] lacp system-mac 1-1-1
# Set the LACP system priority to 123.
[DeviceB] lacp system-priority 123
# Set the LACP system number to 1.
[DeviceB] lacp system-number 1
# Create Layer 2 aggregate interface Bridge-Aggregation 2, and set the link aggregation mode
to dynamic.
[DeviceB] interface bridge-aggregation 2
[DeviceB-Bridge-Aggregation2] link-aggregation mode dynamic
# Assign Bridge-Aggregation 2 to S-MLAG group 100.
[DeviceB-Bridge-Aggregation2] port s-mlag group 100
# Assign Twenty-FiveGigE 1/0/1 to aggregation group 2.
[DeviceB] interface twenty-fivegige 1/0/1
[DeviceB-Twenty-FiveGigE1/0/1] port link-aggregation group 2
[DeviceB-Twenty-FiveGigE1/0/1] quit
3. Configure Device C:
# Set the LACP system MAC address to 0001-0001-0001.
<DeviceC> system-view
[DeviceC] lacp system-mac 1-1-1
# Set the LACP system priority to 123.
[DeviceC] lacp system-priority 123
# Set the LACP system number to 2.
[DeviceC] lacp system-number 2
# Create Layer 2 aggregate interface Bridge-Aggregation 3, and set the link aggregation mode
to dynamic.
[DeviceC] interface bridge-aggregation 3
[DeviceC-Bridge-Aggregation3] link-aggregation mode dynamic
# Assign Bridge-Aggregation 3 to S-MLAG group 100.
[DeviceC-Bridge-Aggregation3] port s-mlag group 100
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