
Multiprotocol Label Switching Architecture (MPLS) Label Values 

(last updated 2002-12-03)

Registries included below:
- MPLS Label Values


Registry Name: MPLS Label Values
Reference: [RFC3032]
Registration Procedures: IETF consensus

Registry:
Value  Description                         Reference
-----  ---------------------------------   ---------
0      IPv4 Explicit NULL Label            [RFC3032]
1      Router Alert Label                  [RFC3032]
2      IPv6 Explicit NULL Label            [RFC3032]
3      Implicit NULL Label                 [RFC3032]
4-13   Unassigned                          [RFC3032]
14     OAM Alert Label                     [RFC3429]  
15     Reserved                            [RFC3032]


References
----------
[RFC3032]  E. Rosen, D. Tappan, G. Fedorkow, Y. Rekhter, D. Farinacci, 
           T. Li, and A. Conta, "MPLS Label Stack Encoding", RFC 3032, 
           January 2001.

[RFC3429]  H. Ohta, "Assignment of the 'OAM Alert Lablel' for MPLS Operation
           and Maintenance (OAM) functions", RFC 3429, November 2002.

(registry created 2002-11-08)

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