2010-09-21 IETF Review 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) 10-255 Unassigned IETF Review 0 Reserved 1-15 Reserved 1 OPEN 1 Open 1 OPEN 2-15 Unassigned 2 RP 1 Request Parameters 2 RP 2-15 Unassigned 3 NO-PATH 1 No Path 3 NO-PATH 2-15 Unassigned 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 5-15 Unassigned 5 BANDWIDTH 1 Requested bandwidth 5 BANDWIDTH 2 Bandwidth of an existing TE LSP for which a reoptimization is requested 5 BANDWIDTH 3-15 Unassigned 6 METRIC 1 Metric 6 METRIC 2-15 Unassigned 7 ERO 1 Explicit Route 7 ERO 2-15 Unassigned 8 RRO 1 Recorded Route 8 RRO 2-15 Unassigned 9 LSPA 1 LSP Attributes 9 LSPA 2-15 Unassigned 10 IRO 1 Include Route 10 IRO 2-15 Unassigned 11 SVEC 1 Synchronization Vector 11 SVEC 2-15 Unassigned 12 NOTIFICATION 1 Notification 12 NOTIFICATION 2-15 Unassigned 13 PCEP-ERROR 1 PCEP Error 13 PCEP-ERROR 2-15 Unassigned 14 LOAD-BALANCING 1 Load Balancing 14 LOAD-BALANCING 2-15 Unassigned 15 CLOSE 1 Close 15 CLOSE 2-15 Unassigned 16 PATH-KEY 1 Path Key 16 PATH-KEY 2-15 Unassigned 17 XRO 1 Route exclusion 17 XRO 2-15 Unassigned 18 Unassigned 1-15 Unassigned 19 MONITORING 1 Monitoring 19 MONITORING 2-15 Unassigned 20 PCC-REQ-ID 1 IPV4 Addresses 20 PCC-REQ-ID 2 IPV6 Addresses 20 PCC-REQ-ID 3-15 Unassigned 21 OF 1 Objective Function 21 OF 2-15 Unassigned 22 CLASSTYPE 1 Class-Type 22 CLASSTYPE 2-15 Unassigned 23 Unassigned 1-15 Unassigned 24 GLOBAL-CONSTRAINTS 1 Global Constraints 24 GLOBAL-CONSTRAINTS 2-15 Unassigned 25 PCE-ID 1 IPV4 Addresses 25 PCE-ID 2 IPV6 Addresses 25 PCE-ID 3-15 Unassigned 26 PROC-TIME 1 PROC-TIME 26 PROC-TIME 2-15 Unassigned 27 OVERLOAD 1 overload 27 OVERLOAD 2-15 Unassigned 28 UNREACH-DESTINATION 1 IPv4 28 UNREACH-DESTINATION 2 IPv6 28 UNREACH-DESTINATION 3-15 Unassigned 29 SERO 1 SERO 29 SERO 2-15 Unassigned 30 SRRO 1 SRRO 30 SRRO 2-15 Unassigned 31 Branch Node Capability Object 1 Branch node list 31 Non-branch Node Capability Object 2 Non-branch node list 31 Branch Node Capability Object 3-15 Unassigned 32-255 Unassigned 1-15 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-4 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-4 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-17 Unassigned 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 IETF Review 0 No path satisfying the set of constraints could be found 1 PCE chain broken 2-255 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0 Unsatisfied constrained indicated 1-15 Unassigned 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 11-255 Unassigned Bits are numbered from bit 0 as the most significant bit. IETF Review 0-5 Unassigned 6 Computed metric 7 Bound IETF Review Bits are numbered from bit 0 as the most significant bit. 0-6 Unassigned 7 Local Protection Desired IETF Review 1 IPv4 prefix 2 IPv6 prefix 3 Unassigned 4 Unnumbered Interface ID 5-31 Unassigned 32 Autonomous system number 33 Explicit Exclusion Route subobject (EXRS) 34-127 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-18 Unassigned 19 Partial Path Diverse 20 Link Direction Diverse 21 SRLG Diverse 22 Node Diverse 23 Link Diverse 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 3-255 Unassigned 1-255 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-7 Unassigned 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 5-255 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 8-255 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 5-255 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 2-255 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 2-255 Unassigned 19-255 Unassigned 0-255 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-7 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-7 Unassigned 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 IETF Review Bits are numbered from bit 0 as the most significant bit. 0-7 Unassigned IETF Review 1-63 Unassigned 64 Path Key with 32-bit PCE ID 65 Path Key with 128-bit PCE ID 66-127 Unassigned IETF Review 1 IPv4 prefix 2 IPv6 prefix 3 Unassigned 4 Unnumbered Interface ID 5-31 Unassigned 32 Autonomous system number 33 Unassigned 34 SRLG 35-63 Unassigned 64 IPv4 Path Key 65 IPv6 Path Key 66-127 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-14 Unassigned 15 Fail (F-bit) 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 9-32767 Unassigned 32768-65535 Reserved for Private Use IETF Review 0 Reserved 1 NO-PATH-VECTOR TLV 2 OVERLOAD-DURATION TLV 3 REQ-MISSING TLV 4 OF-List 5 Order TLV 6 P2MP capable 7-65535 Unassigned IETF Review Bits are numbered from bit 0 as the most significant bit. 0-23 Unassigned 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 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 IETF Review Bits are numbered from bit 0 as the most significant bit. 0-14 Unassigned 15 Estimated IETF Review Bits are numbered from bit 0 as the most significant bit. 0-7 Unassigned