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1. Enter system view.
system-view
N/A
2. Set the system LACP
priority.
lacp system-priority
system-priority
By default, the system LACP
priority is 32768.
Changing the system LACP
priority might affect the
aggregation states of the ports in
the dynamic aggregation group.
3. Create a Layer 3 aggregate
interface and enter Layer 3
aggregate interface view.
interface route-aggregation
interface-number
When you create a Layer 3
aggregate interface, the system
automatically creates a Layer 3
static aggregation group
numbered the same.
4. Configure the aggregation
group to operate in dynamic
mode.
link-aggregation mode
dynamic
By default, an aggregation group
operates in static mode.
5. Return to system view.
quit
N/A
6. Assign an interface or
subinterface to the specified
Layer 3 aggregation group.
a. Enter Layer 3 Ethernet
interface or subinterface
view:
interface interface-type {
interface-number |
interface-number.subnu
mber }
b. Assign the interface or
subinterface to the
specified Layer 3
aggregation group:
port link-aggregation
Repeat these two substeps to
assign more Layer 3 Ethernet
interfaces or subinterfaces to the
aggregation group.
7. Set the LACP operating
mode for the interface or
subinterface.
• Set the LACP operating
mode to passive:
lacp mode passive
• Set the LACP operating
mode to active:
undo lacp mode
By default, LACP is operating in
active mode.
8. Set the port priority for the
interface or subinterface.
link-aggregation port-priority
port-priority
The default setting is 32768.
9. Set the short LACP timeout
interval (3 seconds) for the
interface or subinterface.
lacp period short
By default, the long LACP timeout
interval (90 seconds) is used by
the interface or subinterface.
To avoid traffic interruption during
an ISSU, do not set the short
LACP timeout interval before
performing the ISSU. For more
information about ISSU, see
Fundamentals Configuration
Guide.
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