Path Computation Element Protocol (PCEP) Numbers
2008-12-19
2024-02-23
PCEP Messages
0-251
IETF Review
252-255
Experimental Use
0
Reserved
1
Open
2
Keepalive
3
Path Computation Request
4
Path Computation Reply
5
Notification
6
Error
7
Close
8
Path Computation Monitoring Request (PCMonReq)
9
Path Computation Monitoring Reply (PCMonRep)
10
Report
11
Update
12
LSP Initiate Request
13
StartTLS
14-251
Unassigned
252-255
Experimental Use
PCEP Objects
0-247
IETF Review
248-255
Experimental Use
0
Reserved
0-15
Reserved
1
OPEN
0
Reserved
1
OPEN
1
Open
1
OPEN
2-15
Unassigned
2
RP
0
Reserved
2
RP
1
Request Parameters
2
RP
2-15
Unassigned
3
NO-PATH
0
Reserved
3
NO-PATH
1
No Path
3
NO-PATH
2-15
Unassigned
4
END-POINTS
0
Reserved
4
END-POINTS
1
IPv4 addresses
4
END-POINTS
2
IPv6 addresses
4
END-POINTS
3
IPv4
4
END-POINTS
4
IPv6
4
END-POINTS
5
Generalized Endpoint
RFC8779, Section 2.5
4
END-POINTS
6-15
Unassigned
5
BANDWIDTH
0
Reserved
5
BANDWIDTH
1
Requested bandwidth
5
BANDWIDTH
2
Bandwidth of an existing TE LSP for which a reoptimization is requested
5
BANDWIDTH
3
Generalized bandwidth
RFC8779, Section 2.3
5
BANDWIDTH
4
Generalized bandwidth of an existing TE-LSP for
which a reoptimization is requested
RFC8779, Section 2.3
5
BANDWIDTH
5-15
Unassigned
6
METRIC
0
Reserved
6
METRIC
1
Metric
6
METRIC
2-15
Unassigned
7
ERO
0
Reserved
7
ERO
1
Explicit Route
7
ERO
2-15
Unassigned
8
RRO
0
Reserved
8
RRO
1
Recorded Route
8
RRO
2-15
Unassigned
9
LSPA
0
Reserved
9
LSPA
1
LSP Attributes
9
LSPA
2-15
Unassigned
10
IRO
0
Reserved
10
IRO
1
Include Route
10
IRO
2-15
Unassigned
11
SVEC
0
Reserved
11
SVEC
1
Synchronization Vector
11
SVEC
2-15
Unassigned
12
NOTIFICATION
0
Reserved
12
NOTIFICATION
1
Notification
12
NOTIFICATION
2-15
Unassigned
13
PCEP-ERROR
0
Reserved
13
PCEP-ERROR
1
PCEP Error
13
PCEP-ERROR
2-15
Unassigned
14
LOAD-BALANCING
0
Reserved
14
LOAD-BALANCING
1
Load Balancing
14
LOAD-BALANCING
2
Generalized Load Balancing
RFC8779, Section 2.4
14
LOAD-BALANCING
3-15
Unassigned
15
CLOSE
0
Reserved
15
CLOSE
1
Close
15
CLOSE
2-15
Unassigned
16
PATH-KEY
0
Reserved
16
PATH-KEY
1
Path Key
16
PATH-KEY
2-15
Unassigned
17
XRO
0
Reserved
17
XRO
1
Route exclusion
17
XRO
2-15
Unassigned
18
Unassigned
0
Reserved
18
Unassigned
1-15
Unassigned
19
MONITORING
0
Reserved
19
MONITORING
1
Monitoring
19
MONITORING
2-15
Unassigned
20
PCC-REQ-ID
0
Reserved
20
PCC-REQ-ID
1
IPV4 Addresses
20
PCC-REQ-ID
2
IPV6 Addresses
20
PCC-REQ-ID
3-15
Unassigned
21
OF
0
Reserved
21
OF
1
Objective Function
21
OF
2-15
Unassigned
22
CLASSTYPE
0
Reserved
22
CLASSTYPE
1
Class-Type
22
CLASSTYPE
2-15
Unassigned
23
Unassigned
0
Reserved
23
Unassigned
1-15
Unassigned
24
GLOBAL-CONSTRAINTS
0
Reserved
24
GLOBAL-CONSTRAINTS
1
Global Constraints
24
GLOBAL-CONSTRAINTS
2-15
Unassigned
25
PCE-ID
0
Reserved
25
PCE-ID
1
IPV4 Addresses
25
PCE-ID
2
IPV6 Addresses
25
PCE-ID
3-15
Unassigned
26
PROC-TIME
0
Reserved
26
PROC-TIME
1
PROC-TIME
26
PROC-TIME
2-15
Unassigned
27
OVERLOAD
0
Reserved
27
OVERLOAD
1
overload
27
OVERLOAD
2-15
Unassigned
28
UNREACH-DESTINATION
0
Reserved
28
UNREACH-DESTINATION
1
IPv4
28
UNREACH-DESTINATION
2
IPv6
28
UNREACH-DESTINATION
3-15
Unassigned
29
SERO
0
Reserved
29
SERO
1
SERO
29
SERO
2-15
Unassigned
30
SRRO
0
Reserved
30
SRRO
1
SRRO
30
SRRO
2-15
Unassigned
31
BNC
0
Reserved
31
BNC
1
Branch node list
31
BNC
2
Non-branch node list
31
BNC
3-15
Unassigned
32
LSP
0
Reserved
32
LSP
1
LSP
32
LSP
2-15
Unassigned
33
SRP
0
Reserved
33
SRP
1
SRP
33
SRP
2-15
Unassigned
34
VENDOR-INFORMATION
0
Reserved
34
VENDOR-INFORMATION
1
Vendor-Specific Constraints
34
VENDOR-INFORMATION
2-15
Unassigned
35
BU
0
Reserved
35
BU
1
BU
35
BU
2-15
Unassigned
36
INTER-LAYER
0
Reserved
36
INTER-LAYER
1
Inter-layer
36
INTER-LAYER
2-15
Unassigned
37
SWITCH-LAYER
0
Reserved
37
SWITCH-LAYER
1
Switch-layer
37
SWITCH-LAYER
2-15
Unassigned
38
REQ-ADAP-CAP
0
Reserved
38
REQ-ADAP-CAP
1
Req-Adap-Cap
38
REQ-ADAP-CAP
2-15
Unassigned
39
SERVER-INDICATION
0
Reserved
39
SERVER-INDICATION
1
Server-indication
39
SERVER-INDICATION
2-15
Unassigned
40
ASSOCIATION
0
Reserved
40
ASSOCIATION
1
IPv4
40
ASSOCIATION
2
IPv6
40
ASSOCIATION
3-15
Unassigned
41
S2LS
0
Reserved
41
S2LS
1
S2LS
41
S2LS
2-15
Unassigned
42
WA
0
Reserved
42
WA
1
Wavelength Assignment
42
WA
2-15
Unassigned
43
FLOWSPEC
0
Reserved
43
FLOWSPEC
1
Flow Specification
43
FLOWSPEC
2-15
Unassigned
44
CCI Object-Type
0
Reserved
44
CCI Object-Type
1
MPLS Label
44
CCI Object-Type
2
Native IP (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
44
CCI Object-Type
3-15
Unassigned
45
PATH-ATTRIB
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
0
Reserved
45
PATH-ATTRIB
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
1
PATH-ATTRIB
45
PATH-ATTRIB
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
2-15
Unassigned
46
BGP Peer Info Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
0
Reserved
46
BGP Peer Info Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
1
IPv4 address
46
BGP Peer Info Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
2
IPv6 address
46
BGP Peer Info Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
3-15
Unassigned
47
Explicit Peer Route Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
0
Reserved
47
Explicit Peer Route Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
1
IPv4 address
47
Explicit Peer Route Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
2
IPv6 address
47
Explicit Peer Route Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
3-15
Unassigned
48
Peer Prefix Advertisement Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
0
Reserved
48
Peer Prefix Advertisement Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
1
IPv4 address
48
Peer Prefix Advertisement Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
2
IPv6 address
48
Peer Prefix Advertisement Object-Type
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
3-15
Unassigned
49-247
Unassigned
0
Reserved
49-247
Unassigned
1-15
Unassigned
248-255
Experimental Use
0-15
Experimental Use
Open Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-4
Unassigned
RP Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-14
Unassigned
15-16
Routing Granularity (RG)
RFC8779, Section 2.2
17
Core-tree computation (C-bit)
18
Fragmentation (F-bit)
19
P2MP (N-bit)
20
ERO-compression (E-bit)
21
Make-before-break (M-bit)
22
Report the request order (D-bit)
23
Path Key (P-bit)
24
Supply OF on response
25
VSPT
26
Strict/Loose
27
Bi-directional
28
Reoptimization
29-31
Priority
NO-PATH Object NI Field
IETF Review
0
No path satisfying the set of constraints could be found
1
PCE chain broken
2-255
Unassigned
NO-PATH Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0
Unsatisfied constrained indicated
1-15
Unassigned
METRIC Object T Field
IETF Review
0
Reserved
1
IGP metric
2
TE metric
3
Hop Counts
4
Aggregate bandwidth consumption
5
Load of the most loaded link
6
Cumulative IGP cost
7
Cumulative TE cost
8
P2MP IGP metric
9
P2MP TE metric
10
P2MP hop count metric
11
Segment-ID (SID) Depth.
12
Path Delay metric
13
Path Delay Variation metric
14
Path Loss metric
15
P2MP Path Delay metric
16
P2MP Path Delay variation metric
17
P2MP Path Loss metric
18
Number of adaptations on a path
19
Number of layers on a path
20
Domain Count metric
21
Border Node Count metric
22
Path Min Delay Metric (TEMPORARY - registered 2023-09-13, expires 2024-09-13)
draft-ietf-pce-sid-algo-04
23
P2MP Path Min Delay Metric (TEMPORARY - registered 2023-09-13, expires 2024-09-13)
draft-ietf-pce-sid-algo-04
24-255
Unassigned
METRIC Object Flag Field
Bits are numbered from bit 0 as the most significant bit.
IETF Review
0-5
Unassigned
6
Computed metric
7
Bound
LSPA Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-5
Unassigned
6
Protection Enforcement
7
Local Protection Desired
IRO Subobjects
IETF Review
1
IPv4 prefix
2
IPv6 prefix
3
Unassigned
4
Unnumbered Interface ID
5
4-byte AS number
6
OSPF Area ID
7
IS-IS Area ID
8
Optical Interface Class List
9
Client Signal Information
10
Label
11-31
Unassigned
32
Autonomous system number
33
Explicit Exclusion Route subobject (EXRS)
34-127
Unassigned
SVEC Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-17
Unassigned
18
Domain Diverse O-bit
19
Partial Path Diverse
20
Link Direction Diverse
21
SRLG Diverse
22
Node Diverse
23
Link Diverse
Notification Object
IETF Review
0
Reserved
1-255
Reserved
1
Pending Request cancelled
1
PCC cancels a set of pending requests
1
Pending Request cancelled
2
PCE cancels a set of pending requests
1
Pending Request cancelled
3-255
Unassigned
2
PCE Congestion
1
PCE in congested state
2
PCE Congestion
2
PCE no longer in congested state
2
PCE Congestion
3-255
Unassigned
3
Unassigned
1-255
Unassigned
4
Stateful PCE resource limit exceeded
0
Unassigned
4
Stateful PCE resource limit exceeded
1
Entering resource limit exceeded state
4
Stateful PCE resource limit exceeded
2
Deprecated
4
Stateful PCE resource limit exceeded
3-255
Unassigned
5
Auto-Bandwidth Overwhelm State
0
Unassigned
5
Auto-Bandwidth Overwhelm State
1
Entering Auto-Bandwidth Overwhelm State
5
Auto-Bandwidth Overwhelm State
2
Clearing Auto-Bandwidth Overwhelm State
5
Auto-Bandwidth Overwhelm State
3-255
Unassigned
6-255
Unassigned
1-255
Unassigned
Notification Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-7
Unassigned
PCEP-ERROR Object Error Types and Values
IETF Review
0
Reserved
0-255
Reserved
1
PCEP session establishment failure
0
Unassigned
1
PCEP session establishment failure
1
reception of an invalid Open message or
a non Open message.
1
PCEP session establishment failure
2
no Open message received before the expiration of the OpenWait timer
1
PCEP session establishment failure
3
unacceptable and non negotiable session characteristics
1
PCEP session establishment failure
4
unacceptable but negotiable session characteristics
1
PCEP session establishment failure
5
reception of a second Open message with still unacceptable session characteristics
1
PCEP session establishment failure
6
reception of a PCErr message proposing unacceptable session characteristics
1
PCEP session establishment failure
7
No Keepalive or PCErr message received before the expiration of the KeepWait timer
1
PCEP session establishment failure
8
PCEP version not supported
1
PCEP session establishment failure
9-255
Unassigned
2
Capability not supported
0-255
Unassigned
3
Unknown Object
0
Unassigned
3
Unknown Object
1
Unrecognized object class
3
Unknown Object
2
Unrecognized object Type
3
Unknown Object
3-255
Unassigned
4
Not supported object
0
Unassigned
4
Not supported object
1
Not supported object class
4
Not supported object
2
Not supported object Type
4
Not supported object
3
Unassigned
4
Not supported object
4
Unsupported parameter
4
Not supported object
5
Unsupported network performance constraint
4
Not supported object
6
BANDWIDTH object type 3 or 4 not supported
4
Not supported object
7
Unsupported endpoint type in END-POINTS Generalized Endpoint object type
4
Not supported object
8
Unsupported TLV present in END-POINTS Generalized Endpoint object type
4
Not supported object
9
Unsupported granularity in the RP object flags
4
Not supported object
10-255
Unassigned
5
Policy violation
0
Unassigned
5
Policy violation
1
C bit of the METRIC object set (request rejected)
5
Policy violation
2
O bit of the RP object cleared (request rejected)
5
Policy violation
3
objective function not allowed (request rejected)
5
Policy violation
4
OF bit of the RP object set (request rejected)
5
Policy violation
5
Global concurrent optimization not allowed
5
Policy violation
6
Monitoring message supported but rejected due to policy violation
5
Policy violation
7
P2MP Path computation is not allowed
5
Policy violation
8
Not allowed network performance constraint
5
Policy violation
9-255
Unassigned
6
Mandatory Object missing
0
Unassigned
6
Mandatory Object missing
1
RP object missing
6
Mandatory Object missing
2
RRO missing for a reoptimization request (R bit of the RP object set)
6
Mandatory Object missing
3
END-POINTS object missing
6
Mandatory Object missing
4
MONITORING object missing
6
Mandatory Object missing
5-7
Unassigned
6
Mandatory Object missing
8
LSP object missing
6
Mandatory Object missing
9
ERO object missing
6
Mandatory Object missing
10
SRP object missing
6
Mandatory Object missing
11
LSP-IDENTIFIERS TLV missing
6
Mandatory Object missing
12
LSP-DB-VERSION TLV missing
6
Mandatory Object missing
13
S2LS object missing
6
Mandatory Object missing
14
P2MP-LSP-IDENTIFIERS TLV missing
6
Mandatory Object missing
15
DISJOINTNESS-CONFIGURATION TLV missing
6
Mandatory Object missing
16
Scheduled TLV missing
6
Mandatory Object missing
17
CCI object missing
6
Mandatory Object missing
18
VIRTUAL-NETWORK-TLV missing
6
Mandatory Object missing
19
Native IP object missing (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
6
Mandatory Object missing
20
LABEL-REQUEST TLV missing
6
Mandatory Object missing
21
Missing SR Policy Mandatory TLV (TEMPORARY - registered 2024-02-13, expires 2025-02-13)
6
Mandatory Object missing
22-255
Unassigned
7
Synchronized path computation request missing
0-255
Unassigned
8
Unknown request reference
0-255
Unassigned
9
Attempt to establish a second PCEP session
0-255
Unassigned
10
Reception of an invalid object
0
Unassigned
10
Reception of an invalid object
1
Reception of an object with P flag not set although the P-flag must be set according to this specification.
10
Reception of an invalid object
2
Bad label value
10
Reception of an invalid object
3
Unsupported number of SR-ERO subobjects
10
Reception of an invalid object
4
Bad label format
10
Reception of an invalid object
5
ERO mixes SR-ERO subobjects with other subobject types
10
Reception of an invalid object
6
Both SID and NAI are absent in the SR-ERO subobject
10
Reception of an invalid object
7
Both SID and NAI are absent in the SR-RRO subobject
10
Reception of an invalid object
8
SYMBOLIC-PATH-NAME TLV missing
10
Reception of an invalid object
9
MSD exceeds the
default for the PCEP session
10
Reception of an invalid object
10
RRO mixes SR-RRO
subobjects with other subobject types
10
Reception of an invalid object
11
Malformed object
10
Reception of an invalid object
12
Missing PCE-SR-CAPABILITY sub-TLV
10
Reception of an invalid object
13
Unsupported NAI Type in the SR-ERO/SR-RRO subobject
10
Reception of an invalid objectD
14
Unknown SID
10
Reception of an invalid object
15
NAI cannot be resolved to a SID
10
Reception of an invalid object
16
Could not find SRGB
10
UReception of an invalid object
17
SID index exceeds SRGB size
10
Reception of an invalid object
18
Could not find SRLB
10
Reception of an invalid object
19
SID index exceeds SRLB size
10
Reception of an invalid object
20
Inconsistent SIDs in SR-ERO / SR-RRO subobjects
10
Reception of an invalid object
21
MSD must be nonzero
10
Reception of an invalid object
22
Mismatch of O field in S2LS and LSP object
10
Reception of an invalid object
23
Incompatible OF codes in H-PCE
10
Reception of an invalid object
24
Bad BANDWIDTH object type 3 or 4
10
Reception of an invalid object
25
Unsupported LSP Protection Flags in
PROTECTION-ATTRIBUTE TLV
10
Reception of an invalid object
26
Unsupported Secondary LSP Protection Flags in PROTECTION-ATTRIBUTE TLV
10
Reception of an invalid object
27
Unsupported Link Protection Type in PROTECTION-ATTRIBUTE TLV
10
Reception of an invalid object
28
LABEL-SET TLV present with O bit set but without R bit set in RP
10
Reception of an invalid object
29
Wrong LABEL-SET TLV present with O and L bits set
10
Reception of an invalid object
30
Wrong LABEL-SET TLV present with O bit set and wrong format
10
Reception of an invalid object
31
Missing GMPLS-CAPABILITY TLV
10
Reception of an invalid object
32
Incompatible OF code
10
Reception of an invalid object
33
Missing PCECC Capability sub-TLV
10
Reception of an invalid object
34
Missing PCE-SRv6-CAPABILITY sub-TLV
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
10
Reception of an invalid object
35
Both SID and NAI are absent in SRv6-RRO subobject
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
10
Reception of an invalid object
36
RRO mixes SRv6-RRO subobjects with other subobject types
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
10
Reception of an invalid object
37
Invalid SRv6 SID Structure
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
10
Reception of an invalid object
38
Conflicting Path ID
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
10
Reception of an invalid object
39
PCECC NATIVE-IP-TE-CAPABILITY bit is not set
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
10
Reception of an invalid object
40-255
Unassigned
11
Unrecognized EXRS subobject
0-255
Unassigned
12
Diffserv-aware TE error
0
Unassigned
12
Diffserv-aware TE error
1
Unsupported class-type
12
Diffserv-aware TE error
2
Invalid class-type
12
Diffserv-aware TE error
3
Class-Type and setup priority do not form a configured TE-class
12
Diffserv-aware TE error
4-255
Unassigned
13
BRPC procedure completion failure
0
Unassigned
13
BRPC procedure completion failure
1
BRPC procedure not supported by one or more PCEs along the domain path
13
BRPC procedure completion failure
2-255
Unassigned
14
Unassigned
0-255
Unassigned
15
Global Concurrent Optimization Error
0
Unassigned
15
Global Concurrent Optimization Error
1
Insufficient memory
15
Global Concurrent Optimization Error
2
Global concurrent optimization not supported
15
Global Concurrent Optimization Error
3-255
Unassigned
16
P2MP Capability Error
0
Unassigned
16
P2MP Capability Error
1
The PCE cannot satisfy the request due to insufficient memory
16
P2MP Capability Error
2
The PCE is not capable of P2MP computation
16
P2MP Capability Error
3-255
Unassigned
17
P2MP END-POINTS Error
0
Unassigned
17
P2MP END-POINTS Error
1
The PCE cannot satisfy the request due to no END-POINTS with leaf type 2
17
P2MP END-POINTS Error
2
The PCE cannot satisfy the request due to no END-POINTS with leaf type 3
17
P2MP END-POINTS Error
3
The PCE cannot satisfy the request due to no END-POINTS with leaf type 4
17
P2MP END-POINTS Error
4
The PCE cannot satisfy the request due to inconsistent END-POINTS
17
P2MP END-POINTS Error
5-255
Unassigned
18
P2MP Fragmentation Error
0
Unassigned
18
P2MP Fragmentation Error
1
Fragmented request failure
18
P2MP Fragmentation Error
2
Fragmented Report failure
18
P2MP Fragmentation Error
3
Fragmented Update failure
18
P2MP Fragmentation Error
4
Fragmented Instantiation failure
18
P2MP Fragmentation Error
5-255
Unassigned
19
Invalid Operation
0
Unassigned
19
Invalid Operation
1
Attempted LSP Update Request for a non-delegated
LSP. The PCEP-ERROR object is followed by the LSP
object that identifies the LSP.
19
Invalid Operation
2
Attempted LSP Update Request if the stateful PCE
capability was not advertised.
19
Invalid Operation
3
Attempted LSP Update Request for an LSP identified
by an unknown PLSP-ID.
19
Invalid Operation
4
Unassigned
19
Invalid Operation
5
Attempted LSP State Report if active
stateful PCE capability was not advertised.
19
Invalid Operation
6
PCE-initiated LSP limit reached
19
Invalid Operation
7
Delegation for PCE-initiated LSP cannot be revoked
19
Invalid Operation
8
Non-zero PLSP-ID in LSP Initiate Request
19
Invalid Operation
9
LSP is not PCE initiated
19
Invalid Operation
10
PCE-initiated operation-frequency limit reached
19
Invalid Operation
11
Attempted LSP State Report
for P2MP if stateful PCE capability for P2MP was not advertised
19
Invalid Operation
12
Attempted LSP Update Request
for P2MP if active stateful PCE capability for P2MP was not advertised
19
Invalid Operation
13
Attempted LSP Instantiation
Request for P2MP if stateful PCE
instantiation capability for P2MP was not advertised
19
Invalid Operation
14
Auto-Bandwidth capability was not advertised
19
Invalid Operation
15
Attempted LSP scheduling while the scheduling capability was not advertised
19
Invalid Operation
16
Attempted PCECC operations when PCECC capability was not advertised
19
Invalid Operation
17
Stateful PCE capability was not advertised
19
Invalid Operation
18
Unknown Label
19
Invalid Operation
19
Attempted SRv6 when the capability was not advertised
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
19
Invalid Operation
20
Not supported path backup
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
19
Invalid Operation
21
Non-empty path
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
19
Invalid Operation
22
Only one BPI,EPR or PPA object can be included in this message
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
19
Invalid Operation
23
LSP state info unavailable for reoptimization
19
Invalid Operation
24
LSP state info for route exclusion not found
19
Invalid Operation
25
Attempted LSP update request for GMPLS if stateful PCE capability not advertised
19
Invalid Operation
26
Attempted LSP State Report for GMPLS if stateful PCE capability not advertised
19
Invalid Operation
27
Attempted LSP instantiation request for GMPLS if stateful PCE instantiation capability not advertised
19
Invalid Operation
28
Use of the Generalized Endpoint object type for non-GMPLS LSPs
19
Invalid Operation
29-255
Unassigned
20
LSP State Synchronization Error
0
Unassigned
20
LSP State Synchronization Error
1
A PCE indicates to a PCC that it cannot process
(an otherwise valid) LSP State Report. The PCEP-
ERROR object is followed by the LSP object
that identifies the LSP.
20
LSP State Synchronization Error
2
LSP-DB version mismatch.
20
LSP State Synchronization Error
3
Attempt to trigger
synchronization before PCE
trigger.
20
LSP State Synchronization Error
4
Attempt to trigger a
synchronization when the
PCE triggered synchronization
capability has not been
advertised.
20
LSP State Synchronization Error
5
A PCC indicates to a PCE that it cannot complete
the State Synchronization.
20
LSP State Synchronization Error
6
Received an invalid LSP-DB Version Number.
20
LSP State Synchronization Error
7
Received an invalid Speaker Entity Identifier.
20
LSP State Synchronization Error
8-255
Unassigned
21
Invalid traffic engineering path setup type
0
Unassigned
21
Invalid traffic engineering path setup type
1
Unsupported path setup type
21
Invalid traffic engineering path setup type
2
Mismatched path setup type
21
Invalid traffic engineering path setup type
3-255
Unassigned
22
Unassigned
0-255
Unassigned
23
Bad parameter value
0
Unassigned
23
Bad parameter value
1
SYMBOLIC-PATH-NAME in use
23
Bad parameter value
2
Speaker identity included for an LSP that is not PCE initiated
23
Bad parameter value
3-255
Unassigned
24
LSP instantiation error
0
Unassigned
24
LSP instantiation error
1
Unacceptable instantiation parameters
24
LSP instantiation error
2
Internal error
24
LSP instantiation error
3
Signaling error
24
LSP instantiation error
4-255
Unassigned
25
PCEP StartTLS failure
0
Unassigned
25
PCEP StartTLS failure
1
Reception of StartTLS after any PCEP exchange
25
PCEP StartTLS failure
2
Reception of any other message apart from StartTLS, Open, or PCErr
25
PCEP StartTLS failure
3
Failure, connection without TLS is not possible
25
PCEP StartTLS failure
4
Failure, connection without TLS is possible
25
PCEP StartTLS failure
5
No StartTLS message (nor PCErr/Open) before StartTLSWait timer expiry
25
PCEP StartTLS failure
6-255
Unassigned
26
Association Error
0
Unassigned
26
Association Error
1
Association Type is not supported
26
Association Error
2
Too many LSPs in the association group
26
Association Error
3
Too many association groups
26
Association Error
4
Association unknown
26
Association Error
5
Operator-configured association information mismatch
26
Association Error
6
Association information mismatch
26
Association Error
7
Cannot join the association group
26
Association Error
8
Association ID not in range
26
Association Error
9
Tunnel ID or End points mismatch for
Path Protection Association
26
Association Error
10
Attempt to add another working/protection LSP
for Path Protection Association
26
Association Error
11
Protection type is not supported
26
Association Error
12
Not expecting policy parameters
26
Association Error
13
Unacceptable policy parameters
26
Association Error
14
Association group mismatch
26
Association Error
15
Tunnel mismatch in the association group
26
Association Error
16
Path Setup Type not supported
26
Association Error
17
Bidirectional LSP direction mismatch
26
Association Error
18
Bidirectional LSP co-routed mismatch
26
Association Error
19
Endpoint mismatch in the association group
26
Association Error
20
SR Policy Identifers Mismatch (TEMPORARY - registered 2024-02-13, expires 2025-02-13)
26
Association Error
21
SR Policy Candidate Path Identifier Mismatch (TEMPORARY - registered 2024-02-13, expires 2025-02-13)
26
Association Error
22-255
Unassigned
27
WSON RWA error
0
Unassigned
27
WSON RWA error
1
Insufficient memory
27
WSON RWA error
2
RWA computation not supported
27
WSON RWA error
3
Syntactical encoding error
27
WSON RWA error
4-255
Unassigned
28
H-PCE Error
0
Unassigned
28
H-PCE Error
1
H-PCE Capability not advertised
28
H-PCE Error
2
Parent PCE Capability cannot be provided
28
H-PCE Error
3-255
Unassigned
29
Path computation failure
0
Unassigned
29
Path computation failure
1
Unacceptable request message
29
Path computation failure
2
Generalized bandwidth value not supported
29
Path computation failure
3
Label set constraint could not be met
29
Path computation failure
4
Label constraint could not be met
29
Path computation failure
5
Constraints could not be met for some intervals
29
Path computation failure
6-255
Unassigned
30
FlowSpec error
0
Unassigned
30
FlowSpec error
1
Unsupported FlowSpec
30
FlowSpec error
2
Malformed FlowSpec
30
FlowSpec error
3
Unresolvable Conflict
30
FlowSpec error
4
Unknown FlowSpec
30
FlowSpec error
5
Unsupported LPM Route
30
FlowSpec error
6-255
Unassigned
31
PCECC failure
0
Unassigned
31
PCECC failure
1
Label out of range
31
PCECC failure
2
Instruction failed
31
PCECC failure
3
Invalid CCI
31
PCECC failure
4
Unable to allocate the specified CCI
31
PCECC failure
5
Invalid next-hop information
31
FlowSpec error
6-255
Unassigned
32
Binding label/SID failure
0
Unassigned
32
Binding label/SID failure
1
Invalid SID
32
Binding label/SID failure
2
Unable to allocate the specified binding value
32
Binding label/SID failure
3
Unable to allocate a new binding label/SID
32
Binding label/SID failure
4
Unable to remove the binding value
32
Binding label/SID failure
5
Inconsistent binding types
32
Binding label/SID failure
6-255
Unassigned
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
0
Unassigned
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
1
Peer AS not match
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
2
Peer IP can't be reached
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
3
Local IP is in use
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
4
Remote IP is in use
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
5
Exist BGP session broken
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
6
Explicit Peer Route Error
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
7
EPR/BPI Peer Info mismatch
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
8
BPI/PPA Address Family mismatch
33
Native IP TE failure (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
9
PPA/BPI Peer Info mismatch
33
Binding label/SID failure
10-255
Unassigned
34-255
Unassigned
0-255
Unassigned
PCEP-ERROR Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-7
Unassigned
LOAD-BALANCING Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-7
Unassigned
CLOSE Object Reason Field
IETF Review
0
Reserved
1
No explanation provided
2
DeadTimer expired
3
Reception of a malformed PCEP message
4
Reception of an unacceptable number of unknown requests/replies
5
Reception of an unacceptable number of unrecognized PCEP messages
6-255
Unassigned
CLOSE Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-7
Unassigned
PATH-KEY Subobjects
IETF Review
1-63
Unassigned
64
Path Key with 32-bit PCE ID
65
Path Key with 128-bit PCE ID
66-127
Unassigned
XRO Subobjects
IETF Review
1
IPv4 prefix
2
IPv6 prefix
3
Unassigned
4
Unnumbered Interface ID
5
4-byte AS number
6
OSPF Area ID
7
IS-IS Area ID
8
Optical Interface Class List
9
Client Signal Information
10
Label
11
LSP
12-31
Unassigned
32
Autonomous system number
33
Unassigned
34
SRLG
35-63
Unassigned
64
IPv4 Path Key
65
IPv6 Path Key
66-127
Unassigned
XRO Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-14
Unassigned
15
Fail (F-bit)
Objective Function
1-1023
IETF Review
1024-32767
First Come First Served
32768-65535
Reserved for Private Use
0
Reserved
1
MCP
2
MLP
3
MBP
4
MBC
5
MLL
6
MCC
7
SPT
8
MCT
9
Minimum Packet Loss Path (MPLP)
10
Maximum Under-Utilized Path (MUP)
11
Maximum Reserved Under-Utilized Path (MRUP)
12
Minimize the number of Transit Domains (MTD)
13
Minimize the number of Border Nodes (MBN)
14
Minimize the number of Common Transit Domains (MCTD)
15
Minimize the number of Shared Links (MSL)
16
Minimize the number of Shared SRLGs (MSS)
17
Minimize the number of Shared Nodes (MSN)
18-32767
Unassigned
32768-65535
Reserved for Private Use
PCEP TLV Type Indicators
0-65503
IETF Review
65504-65535
Experimental Use
0
Reserved
1
NO-PATH-VECTOR TLV
2
OVERLOAD-DURATION TLV
3
REQ-MISSING TLV
4
OF-List
5
Order TLV
6
P2MP capable
7
VENDOR-INFORMATION-TLV
8
Wavelength Selection
9
Wavelength Restriction
10
Wavelength Allocation
11
Optical Interface Class List
12
Client Signal Information
13
H-PCE-CAPABILITY
14
Domain-ID
15
H-PCE-FLAG
16
STATEFUL-PCE-CAPABILITY
17
SYMBOLIC-PATH-NAME
18
IPV4-LSP-IDENTIFIERS
19
IPV6-LSP-IDENTIFIERS
20
LSP-ERROR-CODE
21
RSVP-ERROR-SPEC
22
Unassigned
23
LSP-DB-VERSION
24
SPEAKER-ENTITY-ID
25
Unassigned
26
SR-PCE-CAPABILITY (deprecated)
27
Unassigned
28
PATH-SETUP-TYPE
29
Operator-configured Association Range
30
Global Association Source
31
Extended Association ID
32
P2MP-IPV4-LSP-IDENTIFIERS
33
P2MP-IPV6-LSP-IDENTIFIERS
34
PATH-SETUP-TYPE-CAPABILITY
35
ASSOC-Type-List
36
AUTO-BANDWIDTH-CAPABILITY
37
AUTO-BANDWIDTH-ATTRIBUTES
38
Path Protection Association Group TLV
39
IPV4-ADDRESS
RFC8779, Section 2.5.2.1
40
IPV6-ADDRESS
RFC8779, Section 2.5.2.2
41
UNNUMBERED-ENDPOINT
RFC8779, Section 2.5.2.3
42
LABEL-REQUEST
RFC8779, Section 2.5.2.4
43
LABEL-SET
RFC8779, Section 2.5.2.5
44
PROTECTION-ATTRIBUTE
RFC8779, Section 2.8
45
GMPLS-CAPABILITY
RFC8779, Section 2.1.2
46
DISJOINTNESS-CONFIGURATION
47
DISJOINTNESS-STATUS
48
POLICY-PARAMETERS-TLV
49
SCHED-LSP-ATTRIBUTE
50
SCHED-PD-LSP-ATTRIBUTE
51
PCE-FLOWSPEC-CAPABILITY TLV
52
FLOW FILTER TLV
53
Unassigned
54
Bidirectional LSP Association Group TLV
55
TE-PATH-BINDING
56
SRPOLICY-POL-NAME
(TEMPORARY - registered 2021-03-30, extension registered 2024-02-15, expires 2025-03-30)
57
SRPOLICY-CPATH-ID
(TEMPORARY - registered 2021-03-30, extension registered 2024-02-15, expires 2025-03-30)
58
SRPOLICY-CPATH-NAME
(TEMPORARY - registered 2021-03-30, extension registered 2024-02-15, expires 2025-03-30)
59
SRPOLICY-CPATH-PREFERENCE
(TEMPORARY - registered 2021-03-30, extension registered 2024-02-15, expires 2025-03-30)
60
MULTIPATH-CAP
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
61
MULTIPATH-WEIGHT
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
62
MULTIPATH-BACKUP
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
63
MULTIPATH-OPPDIR-PATH
(TEMPORARY - registered 2022-05-09, extension registered 2023-04-04, expires 2024-05-09)
64
LSP-EXTENDED-FLAG
65
VIRTUAL-NETWORK-TLV
66
SR Algorithm (TEMPORARY - registered 2023-09-13, expires 2024-09-13)
draft-ietf-pce-sid-algo-04
67
Color (TEMPORARY - registered 2023-10-30, expires 2024-10-30)
draft-ietf-pce-pcep-color-02
68
COMPUTATION-PRIORITY
(TEMPORARY - registered 2024-02-13, expires 2025-02-13)
69
EXPLICIT-NULL-LABEL-POLICY
(TEMPORARY - registered 2024-02-13, expires 2025-02-13)
70
INVALIDATION
(TEMPORARY - registered 2024-02-13, expires 2025-02-13)
71
SRPOLICY-CAPABILITY
(TEMPORARY - registered 2024-02-13, expires 2025-02-13)
72
PATH-RECOMPUTATION TLV
(TEMPORARY - registered 2024-02-23, expires 2025-02-23)
73-65503
Unassigned
65504-65535
Experimental Use
NO-PATH-VECTOR TLV Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-9
Unassigned
10
Requested disjoint computation not supported
11
Disjoint path not found
12
LOAD-BALANCING could not be performed with the
bandwidth constraints
13
No label resource in range
14
No endpoint label resource in range
15
No endpoint label resource
16
Granularity not supported
17
No Resource
18
Protection Mismatch
19
Destination is not found in the indicated domain
20
No available resource in one or more domains
21
Unresponsive child PCE(s)
22
Destination domain unknown
23
No RWA constraints met
24
P2MP Reachability Problem
25
No GCO solution found
26
No GCO migration path found
27
PKS expansion failure
28
BRPC Path computation chain unavailable
29
Unknown Source
30
Unknown Destination
31
PCE currently Unavailable
MONITORING Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-18
Unassigned
19
Incomplete
20
Overload
21
Processing Time
22
General
23
Liveness
PROC-TIME Object Flag Field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-14
Unassigned
15
Estimated
OVERLOAD Object Flag field
IETF Review
Bits are numbered from bit 0 as the most significant bit.
0-7
Unassigned
BU Object Type Field
Standards Action
0
Reserved
1
LBU (Link Bandwidth Utilization)
2
LRBU (Link Residual Bandwidth Utilization)
3-255
Unassigned
Inter-Layer Object Path Property Bits
IETF Review
0-28
Unassigned
29
T
Triggered Signaling Allowed
30
M
Multi-Layer Requested
31
I
Inter-Layer Allowed
LSP Object Flag Field
Standards Action
Bits are numbered from bit 0 as the most significant bit.
0
PCE-allocation
1
ERO-compression
2
Fragmentation
3
P2MP
4
Create
5-7
Operational (3 bits)
8
Administrative
9
Remove
10
SYNC
11
Delegate
STATEFUL-PCE-CAPABILITY TLV Flag Field
Standards Action
Bits are numbered from bit 0 as the most significant bit.
0-17
Unassigned
18
STRICT-PATH-CAPABILITY (TEMPORARY - registered 2024-02-23, expires 2025-02-23)
19
PATH-RECOMPUTATION-CAPABILITY (TEMPORARY - registered 2024-02-23, expires 2025-02-23)
20
COLOR-CAPABILITY (TEMPORARY - registered 2023-10-30, expires 2024-10-30)
21
PD-LSP-CAPABILITY (PD-bit)
22
LSP-SCHEDULING-CAPABILITY (B-bit)
23
P2MP-LSP-INSTANTIATION-CAPABILITY
24
P2MP-LSP-UPDATE-CAPABILITY
25
P2MP-CAPABILITY
26
TRIGGERED-INITIAL-SYNC
27
DELTA-LSP-SYNC-CAPABILITY
28
TRIGGERED-RESYNC
29
LSP-INSTANTIATION-CAPABILITY (I)
30
INCLUDE-DB-VERSION
31
LSP-UPDATE-CAPABILITY
LSP-ERROR-CODE TLV Error Code Field
Standards Action
0
Reserved
1
Unknown reason
2
Limit reached for PCE-controlled LSPs
3
Too many pending LSP update requests
4
Unacceptable parameters
5
Internal error
6
LSP administratively brought down
7
LSP preempted
8
RSVP signaling error
9
Unsupported Color (TEMPORARY - registered 2023-10-30, expires 2024-10-30)
10-65535
Unassigned
SRP Object Flag Field
Standards Action
0-29
Unassigned
30
LSP Control Request
31
LSP-Remove
PCEP Path Setup Types
IETF Review
0
Path is set up using the RSVP-TE signaling protocol
1
Traffic-engineering path is set up using Segment Routing.
2
Traffic engineering path is set up using PCECC mode
3
Traffic engineering path is set up using SRv6.
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
4
Native IP TE Path
(TEMPORARY - registered 2023-08-14, expires 2024-08-14)
5-255
Unassigned
PCEP SR-ERO NAI Types
IETF Review
0
NAI is absent.
1
NAI is an IPv4 node ID.
2
NAI is an IPv6 node ID.
3
NAI is an IPv4 adjacency.
4
NAI is an IPv6 adjacency with global IPv6 addresses.
5
NAI is an unnumbered adjacency with IPv4 node IDs.
6
NAI is an IPv6 adjacency with link-local IPv6 addresses.
7-15
Unassigned
SR-ERO Flag Field
Standards Action
0-6
Unassigned
7
SR Algorithm Flag (TEMPORARY - registered 2023-09-13, expires 2024-09-13)
draft-ietf-pce-sid-algo-04
8
NAI is absent (F)
9
SID is absent (S)
10
SID specifies TC, S, and TTL in addition to an MPLS label (C)
11
SID specifies an MPLS label (M)
PATH-SETUP-TYPE-CAPABILITY Sub-TLV Type Indicators
Standards Action
0
Reserved
1
PCECC-CAPABILITY
2-25
Unassigned
26
SR-PCE-CAPABILITY
27
SRv6-PCE-CAPABILITY
(TEMPORARY - registered 2022-01-12, extension registered 2023-12-14, expires 2025-01-12)
28-65535
Unassigned
SR Capability Flag Field
Standards Action
0-4
Unassigned
5
SR Algorithm Capability (TEMPORARY - registered 2023-09-13, expires 2024-09-13)
draft-ietf-pce-sid-algo-04
6
Node or Adjacency Identifier (NAI) is
supported (N)
7
Unlimited Maximum SID Depth (X)
WA Object Flag Field
Standards Action
0-14
Unassigned
15
Wavelength Allocation Mode
Wavelength Restriction Constraint TLV Action Values
Standards Action
0
Inclusive List
1
Inclusive Range
2-255
Unassigned
Wavelength Allocation TLV Flag Field
Standards Action
0-14
Unassigned
15
Wavelength Allocation Mode
S2LS Object Flag Field
Standards Action
0-28
Unassigned
29-31
Operational (3 bits)
H-PCE-CAPABILITY TLV Flag Field
Standards Action
0-30
Unassigned
31
P (Parent PCE Request bit)
Domain-ID TLV Domain Type
IETF Review
0
Reserved
1
2-byte AS number
2
4-byte AS number
3
4-byte OSPF area ID
4
Variable-length IS-IS area ID
5-255
Unassigned
H-PCE-FLAG TLV Flag Field
Standards Action
0-29
Unassigned
30
D (Disallow Domain Re-entry bit)
31
S (Domain Sequence bit)
ASSOCIATION Flag Field
Standards Action
0-14
Unassigned
15
R (Removal)
ASSOCIATION Type Field
Standards Action
0
Reserved
1
Path Protection Association
2
Disjoint Association
3
Policy Association
4
Single-Sided Bidirectional LSP Association
5
Double-Sided Bidirectional LSP Association
6
SR Policy Association
(TEMPORARY - registered 2021-03-30, extension registered 2024-02-15, expires 2025-03-30)
7
VN Association
8
Double-Sided Bidirectional with Reverse LSP Association
(TEMPORARY - registered 2023-11-30, expires 2024-11-30)
9-65535
Unassigned
AUTO-BANDWIDTH-CAPABILITY TLV Flag Field
Standards Action
0-31
Unassigned
AUTO-BANDWIDTH-ATTRIBUTES Sub-TLV Types
0-65503
IETF Review
65504-65535
Experimental Use
0
Reserved
1
Sample-Interval
2
Adjustment-Interval
3
Down-Adjustment-Interval
4
Adjustment-Threshold
5
Adjustment-Threshold-Percentage
6
Down-Adjustment-Threshold
7
Down-Adjustment-Threshold-Percentage
8
Minimum-Bandwidth
9
Maximum-Bandwidth
10
Overflow-Threshold
11
Overflow-Threshold-Percentage
12
Underflow-Threshold
13
Underflow-Threshold-Percentage
14-65503
Unassigned
65504-65535
Experimental Use
Path Protection Association Group TLV Flag Field
Standards Action
31
P - PROTECTION-LSP
30
S - SECONDARY-LSP
6-29
Unassigned
0-5
Protection Type Flags
Generalized Endpoint Types
0-244
Standards Action
245-255
Experimental Use
0
Point-to-Point
1
Point-to-Multipoint with leaf type 1
2
Point-to-Multipoint with leaf type 2
3
Point-to-Multipoint with leaf type 3
4
Point-to-Multipoint with leaf type 4
5-244
Unassigned
245-255
Experimental Use
GMPLS-CAPABILITY TLV Flag Field
Standards Action
31
LSP-REPORT-CAPABILITY (R)
30
LSP-UPDATE-CAPABILITY (U)
29
LSP-INSTANTIATION-CAPABILITY (I)
0-28
Unassigned
DISJOINTNESS-CONFIGURATION TLV Flag Field
Standards Action
31
L - Link Diverse
30
N - Node Diverse
29
S - SRLG Diverse
28
P - Shortest Path
27
T - Strict Disjointness
0-26
Unassigned
SCHED-PD-LSP-ATTRIBUTE TLV Opt Field
Standards Action
0
Reserved
1
REPEAT-EVERY-MONTH
2
REPEAT-EVERY-YEAR
3
REPEAT-EVERY-REPEAT-TIME-LENGTH
4-14
Unassigned
15
Reserved
Schedule TLVs Flag Field
Standards Action
0-3
Unassigned
4
Relative Time (R-bit)
5
PCC Responsible (C-bit)
6
LSP Activated (A-bit)
7
Grace Period Included (G-bit)
FLOWSPEC Object Flag Field
Standards Action
0-5
Unassigned
6
LPM (L bit)
7
Remove (R bit)
PCEP Flow Specification TLV Type Indicators
0-255
Reserved
Must not be allocated. Usage mirrors the BGP Flowspec registry.
256-64506
Specification Required
64507-65531
First Come First Served
65532-65535
Experimental Use
0-255
Reserved. Must not be allocated. Usage mirrors the BGP FlowSpec registry and
256
Route Distinguisher
257
IPv4 Multicast
258
IPv6 Multicast
259-65531
Unassigned
65532-65535
Experimental Use
Bidirectional LSP Association Group TLV Flag Field
Standards Action
0-29
Unassigned
30
C - Co-routed Path
31
R - Reverse LSP
PCECC-CAPABILITY sub-TLV
Standards Action
0-29
Unassigned
30
NATIVE IP (TEMPORARY - registered 2023-08-14, expires 2024-08-14)
31
Label
CCI Object Flag Field for MPLS Label
Standards Action
0-13
Unassigned
14
C Bit - PCC allocation
15
O Bit - Specifies label is out-label
TE-PATH-BINDING TLV BT Field
Standards Action
0
MPLS Label
1
MPLS Label Stack Entry
2
SRv6 SID
3
SRv6 SID with Behavior and Structure
4-255
Unassigned
TE-PATH-BINDING TLV Flag Field
Standards Action
0
R (Removal)
1
S (Specified-BSID-only) (TEMPORARY - registered 2024-02-13, expires 2025-02-13)
2-7
Unassigned
LSP-EXTENDED-FLAG TLV Flag Field
Standards Action
0
GMPLS LSP (G)
1
Bidirectional Co-routed LSP (B)
2-3
Routing Granularity (RG)
4
Strict-Path Flag (O) (TEMPORARY - registered 2024-02-23, expires 2025-02-23)
5-31
Unassigned
LSP Exclusion Subobject Flag Field
Standards Action
0-7
Unassigned