Description: Indicates the alarm reason as below: 1. Other; 2. Static LSP down; 3. Static CR-LSP down; 4. The out interface of the RSVP LSP ingress is down; 5. The resource of RSVP LSP is preempted; 6. RSVP message timeout; 7. RSVP neighbor lost; 8. The bypass-tunnel is down or is unbinded with main tunnel, as bypass-tunnel is in used; 9. CSPF compute fail; 10.User shutdown the tunnel; 11.TPOAM indicates the connectivity fault of the link; 12.TPOAM indicates receive alarm indication signal defect of the link; 13.TPOAM indicates the remote defect of the link; 14.TPOAM indicates receive unexpected MEG-ID defect of the link; 15.TPOAM indicates receive unexpected MEP-ID defect of the link; 16.TPOAM indicates packet lost exceed signal fault threshold in the local link; 17.TPOAM indicates packet unexpected period defect of the link; 18.MPLS OAM connectivity fault; 19.MPLS OAM TTSI excess; 20.MPLS OAM TTSI mismatch; 21.MPLS OAM TTSI merge error; 22.MPLS OAM unknown error; 23.MPLS OAM BDI; 24.MPLS OAM FDI; 25.MPLS OAM signal fail; 26.MPLS OAM signal degrade; 27.MPLS OAM fail; 28.Service resume; 29.Service delete; 100. Clear.