Lacp Mad Failure; Symptom; Troubleshooting Flowchart; Solution - HPE FlexNetwork 10500 SERIES Troubleshooting Manual

LACP MAD failure

Symptom

LACP MAD fails to detect an IRF split event. Two IRF fabrics are operating with the same Layer 3
settings, including the same IP address.

Troubleshooting flowchart

Figure 23 Troubleshooting LACP MAD failure
LACP MAD failure
Intermediate device
supports extended LACPDUs
Each member has a
link to the intermediate device?
Dynamic aggregation
Aggregate interface and
its member ports all up?
IRF domain ID unique?
Member ports in the link
aggregation always up?
Contact the support

Solution

To resolve the problem:
1. Verify that the intermediate device is an HPE device that supports extended LACPDUs for
MAD.
for MAD?
Yes
Yes
mode used?
Yes
Yes
Yes
Yes
No
Replace the device or use
BFD MAD for detection
No
Correct the connections
Enable dynamic aggregation
No
mode for the aggregate
interface
Bring up the aggregate
No
interface and all its member
ports
No
Assign a unique domain ID to
the IRF fabric
No
Identify port-down event
cause and remove the issue
64
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
Yes
Resolved?
No
End