Troubleshooting Flowchart; Solution - HP 5500 SI Troubleshooting Manual

Troubleshooting flowchart

Figure 3 Troubleshooting link aggregation failure
No
Attribute configurations/class-two configurations of the
peer ports same as the peer port of the reference port?

Solution

To resolve the problem:
1. Verify that all physical connections are correct.
You can verify the physical connections against your network plan.
2. Verify that all member ports are up:
Link aggregation
failed
Are all physical connections correct?
Yes
Are all member ports up?
Yes
Attribute configurations/class-two
configurations same as the reference port?
Yes
Link aggregation in dynamic mode?
Yes
Yes
More than 8 member ports?
No
Contact HP Support
No
Connect physical links correctly
No
Bring all member ports up
No
Set attribute configurations/class-two
configurations same as the reference
port
No
Set attribute configurations/class-two
configurations of the peer ports same
as the peer port of the reference port
Yes
Set no more than 8 member ports
8
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
End