#define MPLS_IETF_IMPLICIT_NULL_LABEL 0x00003
#define MPLS_IETF_ELI_LABEL 0x00007
#define MPLS_IETF_GAL_LABEL 0x0000D
+#define MPLS_IETF_ENTROPY_LABEL 0x0000E
#define MPLS_IETF_IPV4_EXPLICIT_NULL_STRING "ip4-explicit-null"
#define MPLS_IETF_IPV4_EXPLICIT_NULL_BRIEF_STRING "e-nul"