The DeviceLinkDown event indicates that the branch-side OSPF neighbor or the static route link has failed.
|Event name||Event level||Status code||Status description|
|DeviceLinkDown||CRITICAL||linkdown||Device Link State Change|
- The customer-side switch has failed.
- The customer-side switch is incorrectly configured.
- The connection between the customer-side switch and the Smart Access Gateway has failed.
Check the customer-side switch. For more information, see Link failure between SAG-1000 and the switch.