HP A5120 EI Series Configuration Manual page 42

Figure 9 Setting the state of a member port in a dynamic aggregation group
Set the aggregation state
of a member port
Is there any hardware restriction?
No
Is the port up?
Yes
Port attribute/class 2
configurations same as the
reference port?
Yes
Port attribute/class 2
configurations of the peer port
same as the peer port of the
reference port?
Yes
More candidate ports than allowed
max. number of Selected ports?
No
Set the port in the Selected state
Meanwhile, the system with the higher system ID, which has identified the aggregation state changes on
the remote system, sets the aggregation state of local member ports as the same as their peer ports.
NOTE:

To ensure stable aggregation state and service continuity, do not change port attributes or class-two
configurations on any member port.

In a dynamic aggregation group, when the aggregation state of a local port changes, the aggregation state of
the peer port changes.

A port that joins a dynamic aggregation group after the Selected port limit has been reached will be placed in
the Selected state if it is more eligible for being selected than a current member port.
Yes
No
No
No
Yes
Port number as low as to set
the port in the Selected state?
35
No
Yes
Set the port in the
Unselected state