Special Purpose Multiprotocol Label Switching Architecture (MPLS) Label Values

Created
2002-11-08
Last Updated
2014-04-07
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Registries included below

Special Purpose MPLS Label Values

Registration Procedure(s)
Standards Action
Reference
[RFC3032][RFC-ietf-mpls-special-purpose-labels-06]
Available Formats

CSV
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]
4-6 Unassigned
7 Entropy Label Indicator (ELI) [RFC6790]
8-12 Unassigned
13 GAL Label [RFC5586]
14 OAM Alert Label [RFC3429]
15 Extension Label [RFC-ietf-mpls-special-purpose-labels-06]

Extended Special Purpose MPLS Label Values

Registration Procedure(s)
Standards Action
Reference
[RFC-ietf-mpls-special-purpose-labels-06]
Available Formats

CSV
Value Description Reference
0-15 Reserved. Never to be made available for allocation. [RFC-ietf-mpls-special-purpose-labels-06]
16-239 Unassigned
240-255 Reserved for Experimental Use [RFC-ietf-mpls-special-purpose-labels-06]
256-1048575 Reserved. Not to be made available for allocation without a new Standards Track RFC to define an allocation policy. [RFC-ietf-mpls-special-purpose-labels-06]