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Label Distribution Protocol (LDP) defines the following
name spaces - per [RFC3036]
(last updated 2001 June 13)
- Message Type Name Space.
- TLV Type Name Space.
- FEC Type Name Space.
- Status Code Name Space.
- Experiment ID Name Space.
MESSAGE TYPE NAME SPACE
Message Types 0x0000 - 0x3DFF are part of the LDP base protocol.
and are allocated through an IETF Consensus action.
Value Name Reference
---------- ----------------------------- ---------
0x0001 Notification [RFC3036]
0x0100 Hello [RFC3036]
0x0200 Initialization [RFC3036]
0x0201 KeepAlive [RFC3036]
0x0300 Address [RFC3036]
0x0301 Address Withdraw [RFC3036]
0x0400 Label Mapping [RFC3036]
0x0401 Label Request [RFC3036]
0x0402 Label Withdraw [RFC3036]
0x0403 Label Release [RFC3036]
0x0404 Label Abort Request [RFC3036]
Message Types 0x3E00 - 0x3EFF are reserved for Vendor Private
extensions and are the responsibility of the individual vendors
(see Section "LDP Vendor-private Messages" of [RFC3036]).
IANA management of this range of the Message Type Name Space
is unnecessary.
Message Types 0x3F00 - 0x3FFF are reserved for Experimental
extensions and are the responsibility of the individual
experimenters (see Sections "LDP Experimental Extensions" and
"Experiment ID Name Space" of [RFC3036]). IANA management
of this range of the Message Type Name Space is unnecessary;
however, IANA is responsible for managing part of the Experiment
ID Name Space (see below).
TLV TYPE NAME SPACE
TLV Types 0x0000 - 0x3DFF are part of the LDP base protocol.
TLV types in this range are allocated through an IETF Consensus
action.
Range Description Reference
---------------- -------------------------------- ---------
0x0100 FEC [RFC3036]
0x0101 Address List [RFC3036]
0x0103 Hop Count [RFC3036]
0x0104 Path Vector [RFC3036]
0x0200 Generic Label [RFC3036]
0x0201 ATM Label [RFC3036]
0x0202 Frame Relay Label [RFC3036]
0x0300 Status [RFC3036]
0x0301 Extended Status [RFC3036]
0x0302 Returned PDU [RFC3036]
0x0303 Returned Message [RFC3036]
0x0400 Common Hello Parameters [RFC3036]
0x0401 IPv4 Transport Address [RFC3036]
0x0402 Configuration Sequence Number [RFC3036]
0x0403 IPv6 Transport Address [RFC3036]
0x0500 Common Session Parameters [RFC3036]
0x0501 ATM Session Parameters [RFC3036]
0x0502 Frame Relay Session Parameters [RFC3036]
0x0600 Label Request Message ID [RFC3036]
0x0800-0x08FF CR-LDP [RFCXXXX]
0x0800 Explicite Route TLV [RFCCRLDP]
0x0801 Ipv4 Prefix ER-Hop TLV [RFCCRLDP]
0x0802 Ipv6 Prefix ER-Hop TLV [RFCCRLDP]
0x0803 Autonomous System Number ER-Hop TLV [RFCCRLDP]
0x0804 LSP-ID ER-HOP TLV [RFCCRLDP]
0x0810 Traffic Parameters TLV [RFCCRLDP]
0x0820 Preemption TLV [RFCCRLDP]
0x0821 LSPID TLV [RFCCRLDP]
0x0822 Resource Class TLV [RFCCRLDP]
0x0823 Route Pinning TLV [RFCCRLDP]
TLV Types 0x3E00 - 0x3EFF are reserved for Vendor Private extensions
and are the responsibility of the individual vendors (see Section
"LDP Vendor-private TLVs" of [RFC3036]). IANA management of this
range of the TLV Type Name Space is unnecessary.
TLV Types 0x3F00 - 0x3FFF are reserved for Experimental extensions
and are the responsibility of the individual experimenters (see
Sections "LDP Experimental Extensions" and "Experiment ID Name
Space" of [RFC3036] ). IANA management of this range of the TLV
Name Space is unnecessary; however, IANA is responsible for managing
part of the Experiment ID Name Space (see below).
FEC TYPE NAME SPACE
The range for FEC types is 0 - 255.
FEC types in the range 0 - 127 are allocated through an IETF
Consensus action, types in the range 128 - 191 are allocated
as First Come First Served, and types in the range 192 - 255
are reserved for Private Use.
Value Name Reference
---------- ----------------------------- ---------
0-99 Unassigned
0x01 Wildcard [RFC3036]
0x02 Prefix [RFC3036]
0x03 Host Address [RFC3036]
0x04 CR-LSP [RFCCRLDP]
STATUS CODE NAME SPACE
The range for Status Codes is 0x00000000 - 0x3FFFFFFF.
Status Codes in the range 0x00000000 - 0x1FFFFFFF are allocated
through an IETF Consensus action, codes in the range
0x20000000 - 0x3EFFFFFF are allocated as First Come First Served,
and codes in the range 0x3F000000 - 0x3FFFFFFF are reserved for
Private Use.
The "E" column is the required setting of the Status Code E-bit.
Range/Value E Description Reference
------------- ----- ---------------------- ---------
0x00000000 0 Success [RFC3036]
0x00000001 1 Bad LDP Identifier [RFC3036]
0x00000002 1 Bad Protocol Version [RFC3036]
0x00000003 1 Bad PDU Length [RFC3036]
0x00000004 0 Unknown Message Type [RFC3036]
0x00000005 1 Bad Message Length [RFC3036]
0x00000006 0 Unknown TLV [RFC3036]
0x00000007 1 Bad TLV Length [RFC3036]
0x00000008 1 Malformted TLV Value [RFC3036]
0x00000009 1 Hold Timer Expired [RFC3036]
0x0000000A 1 Shutdown [RFC3036]
0x0000000B 0 Loop Detected [RFC3036]
0x0000000C 0 Unknown FEC [RFC3036]
0x0000000D 0 No Route [RFC3036]
0x0000000E 0 No Label Resources [RFC3036]
0x0000000F 0 Label Resources/Available [RFC3036]
0x00000010 1 Session Rejected/No Hello [RFC3036]
0x00000011 1 Session Rejected/Parameters [RFC3036]
Advertisement Mode
0x00000012 1 Session Rejected/Parameters Max [RFC3036]
PDU Length
0x00000013 1 Session Rejected/Parameters Label [RFC3036]
Range
0x00000014 1 KeepAlive Timer Expired [RFC3036]
0x00000015 0 Label Request Aborted [RFC3036]
0x00000016 0 Missing Message Parameters [RFC3036]
0x00000017 0 Unsupported Address Family [RFC3036]
0x00000018 1 Session Rejected/Bad KeepAlive [RFC3036]
Time
0x00000019 1 Internal Error [RFC3036]
0x44000000-0x440000FF CR-LDP [RFCXXXX]
0x44000001 Bad Explicit Routing TLV Error [RFCCRLDP]
0x44000002 Bad Strict Node Error [RFCCRLDP]
0x44000003 Bad Loose Node Error [RFCCRLDP]
0x44000004 Bad Initial ER-Hop Error [RFCCRLDP]
0x44000005 Resource Unavailable [RFCCRLDP]
0x44000006 Traffic Parameters Unavailable [RFCCRLDP]
0x44000007 LSP Preempted [RFCCRLDP]
0x44000008 Modify Request Not Supported [RFCCRLDP]
EXPERIMENT ID NAME SPACE
The range for Experiment Ids is 0x00000000 - 0xffffffff.
Experiment Ids in the range 0x00000000 - 0xefffffff are allocated
as First Come First Served and Experiment Ids in the range
0xf0000000 - 0xffffffff are reserved for Private Use.
REFERENCES
----------
[RFC3036] Andersson, L., P. Doolan, N. Feldman, A. Fredette,
B. Thomas, "LDP Specification", RFC 3036, January 2001.
[RFCCRLDP] B. Jamoussi, O. Aboul-Magd, L. Andersson, P. Ashwood-Smith,
F. Hellstrand, K. Sundell, R. Callon, R. Dantu, L. Wu,
P. Doolan, T. Worster, N. Feldman, A. Fredette, M. Girish,
E. Gray, J. Halpern, J. Heinanen, T. Kilty, A. Malis,
P. Vaananen, "Constraint-Based LSP Setup using LDP",
RFC XXXX, Month Year.
[]
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