Internet Assigned Numbers Authority

Pseudowire Name Spaces (PWE3)

Created
2005-12-12
Last Updated
2022-12-01
Available Formats

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Registries included below

MPLS Pseudowire Types Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC4446]
Note
When this registry is modified, the YANG module [iana-pseudowire-types]
must be updated as defined in [RFC9291].
    
Available Formats

CSV
Range Registration Procedures Note
31-1024 Expert Review
1025-4096 IETF Review
4097-32766 First Come First Served reserved for vendor proprietary extensions
32767 IETF Review
PW Type Description Reference
0x0001 Frame Relay DLCI ( Martini Mode ) [RFC4619]
0x0002 ATM AAL5 SDU VCC transport [RFC4717]
0x0003 ATM transparent cell transport [RFC4717]
0x0004 Ethernet Tagged Mode [RFC4448]
0x0005 Ethernet [RFC4448]
0x0006 HDLC [RFC4618]
0x0007 PPP [RFC4618]
0x0008 SONET/SDH Circuit Emulation Service Over MPLS Encapsulation [RFC5143]
0x0009 ATM n-to-one VCC cell transport [RFC4717]
0x000A ATM n-to-one VPC cell transport [RFC4717]
0x000B IP Layer2 Transport [RFC3032]
0x000C ATM one-to-one VCC Cell Mode [RFC4717]
0x000D ATM one-to-one VPC Cell Mode [RFC4717]
0x000E ATM AAL5 PDU VCC transport [RFC4717]
0x000F Frame-Relay Port mode [RFC4619]
0x0010 SONET/SDH Circuit Emulation over Packet [RFC4842]
0x0011 Structure-agnostic E1 over Packet [RFC4553]
0x0012 Structure-agnostic T1 (DS1) over Packet [RFC4553]
0x0013 Structure-agnostic E3 over Packet [RFC4553]
0x0014 Structure-agnostic T3 (DS3) over Packet [RFC4553]
0x0015 CESoPSN basic mode [RFC5086]
0x0016 TDMoIP AAL1 Mode [RFC5087]
0x0017 CESoPSN TDM with CAS [RFC5086]
0x0018 TDMoIP AAL2 Mode [RFC5087]
0x0019 Frame Relay DLCI [RFC4619]
0x001A ROHC Transport Header-compressed Packets [RFC5795][RFC4901]
0x001B ECRTP Transport Header-compressed Packets [RFC3545][RFC4901]
0x001C IPHC Transport Header-compressed Packets [RFC2507][RFC4901]
0x001D cRTP Transport Header-compressed Packets [RFC2508][RFC4901]
0x001E ATM VP Virtual Trunk ["The Use of Virtual Trunks for ATM/MPLS Control Plane Interworking Specification", MFA Forum 9.0.0, MFA Forum, February 2006.]
0x001F FC Port Mode [RFC6307]
0x0020-0x1000 Unassigned
0x1001 Proprietary pseudowire implementation carrying CLNP packets [Christian_Schmutzer]
0x1002-0x7FFE Unassigned
0x7FFF Wildcard [RFC4863]

Pseudowire Interface Parameters Sub-TLV type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
Parameter ID Length Description Reference
0x01 4 Interface MTU in octets [RFC8077]
0x02 4 Maximum Number of concatenated ATM cells [RFC4717]
0x03 up to 82 Optional Interface Description string [RFC8077]
0x04 4 CEP/TDM Payload Bytes [RFC4842]
0x05 4 CEP options [RFC4842]
0x06 4 Requested VLAN ID [RFC4448]
0x07 6 CEP/TDM bit-rate [RFC4842]
0x08 4 Frame-Relay DLCI Length [RFC4619]
0x09 4 Fragmentation indicator [RFC4623]
0x0A 4 FCS retention indicator [RFC4720]
0x0B 4/8/12 TDM options [RFC5287]
0x0C 4 VCCV parameter [RFC5085]
0x0D up to 256 bytes ROHC over MPLS configuration [RFC3241] [RFC4901]
0x0E 4 Number of TDMoIP AAL1 cells per packet [RFC5287]
0x0F up to 256 bytes CRTP/ECRTP/IPHC HC over MPLS configuration [RFC3544] [RFC4901]
0x10 4 TDMoIP AAL1 mode [RFC5287]
0x11 8 or more TDMoIP AAL2 Options [RFC5287]
0x12 Reserved [RFC6307]
0x13 Reserved [RFC6307]
0x14 Reserved [RFC6307]
0x15 Reserved [RFC6307]
0x16 4 Stack capability [RFC6575]
0x17 4 Flow Label [RFC6391]
0x18 4 PW Generic Protocol Flags [RFC6478]
0x19 variable VCCV Extended CV Parameter [RFC7189]
0x1A 8 E-Tree [RFC7796]
0x1B variable Selective Tree Interface Parameter [RFC8338]
0x1C-0xFC Unassigned
0xFD up to 8 Zte optional Supplier private interface parameters [Zhu_Wei]
0xFE-0xFF Unassigned

Attachment Individual Identifier Type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
AII Type Length Description Reference
0x01 4 A 32 bit unsigned number local identifier [RFC6074]
0x02 variable 8 or 12 Aggregate Identifier [RFC5003]
0x03 variable 1 to 33 ATM/FR Control Channel ["ATM and Frame Relay to MPLS Control Plane Interworking: Client-Server", MFA Forum 10.0.0, MFA Forum, September 2006.]
0x04 variable 3 to 35 ATM/FR Signaling Call Reference ["ATM and Frame Relay to MPLS Control Plane Interworking: Client-Server", MFA Forum 10.0.0, MFA Forum, September 2006.]
0x05 variable 2 to 30 Frame Relay Port and Connection Identifier [Soft Permanent Virtual Circuit Interworking between MPLS Pseudowires and ATM, MFA Forum, work in progress (this specification is at the baseline text stage).]
0x06 variable 2 to 30 ATM Port and Connection Identifier [Soft Permanent Virtual Circuit Interworking between MPLS Pseudowires and ATM, MFA Forum, work in progress (this specification is at the baseline text stage).]

Attachment Group Identifier (AGI) Type Registry

Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC4446]
Available Formats

CSV
Range Registration Procedures Note
2-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
AGI Type Length Description Reference
0x01 8 Extended Community [RFC6074]

Pseudowire Status Codes Registry

Registration Procedure(s)
Expert Review
Expert(s)
Stewart Bryant, Andrew Malis, Matthew Bocci
Reference
[RFC4446]
Available Formats

CSV
Bit Mask Description Reference
0x00000000 Pseudowire forwarding (clear all failures) [RFC8077][RFC4446]
0x00000001 Pseudowire Not Forwarding [RFC8077][RFC4446]
0x00000002 Local Attachment Circuit (ingress) Receive Fault [RFC8077][RFC4446]
0x00000004 Local Attachment Circuit (egress) Transmit Fault [RFC8077][RFC4446]
0x00000008 Local PSN-facing PW (ingress) Receive Fault [RFC8077][RFC4446]
0x00000010 Local PSN-facing PW (egress) Transmit Fault [RFC8077][RFC4446]
0x00000020 PW Preferential Forwarding Status [RFC6870]
0x00000040 PW Request Switchover Status [RFC6870]

Pseudowire Associated Channel Types

Reference
[RFC4385][RFC5586][RFC Errata 1940][RFC7026][RFC7214]
Note
Renamed "MPLS Generalized Associated Channel (G-ACh) Types (including Pseudowire 
Associated Channel Types)" and moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC7214].
    

Associated Channel Header TLV Registry (DELETED)

Reference
[RFC5586][RFC7026]
Note
Registry deleted per [RFC7026].
    

Header Compression Over MPLS PW Control Word Packet Type

Registration Procedure(s)
Expert Review
Reference
[RFC4901]
Available Formats

CSV
Packet Type Description
0 ROHC Small-CIDs
1 ROHC Large-CIDs
2 FULL_HEADER
3 COMPRESSED_TCP
4 COMPRESSED_TCP_NODELTA
5 COMPRESSED_NON_TCP
6 COMPRESSED_RTP_8
7 COMPRESSED_RTP_16
8 COMPRESSED_UDP_8
9 COMPRESSED_UDP_16
10 CONTEXT_STATE
11-15 Unassigned

MPLS VCCV Control Channel (CC) Types

Registration Procedure(s)
IETF Review
Reference
[RFC5085]
Note
Bit numbering: In this sub-registry, the most significant (high order) bit
is labeled Bit 7, and the least significant (low order) bit is labeled Bit 0,
see parenthetical "Value".
    
Available Formats

CSV
Bit (Value) Description Reference
0 (0x01) Type 1: PWE3 Control Word with 0001b as first nibble (PW-ACH, see [RFC4385]) [RFC5085]
1 (0x02) Type 2: MPLS Router Alert Label [RFC5085]
2 (0x04) Type 3: MPLS PW Label with TTL == 1 [RFC5085]
3 (0x08) Type 4: GAL [RFC7708]
4 (0x10) Reserved [RFC5085]
5 (0x20) Reserved [RFC5085]
6 (0x40) Reserved [RFC5085]
7 (0x80) Reserved [RFC5085]

MPLS VCCV Connectivity Verification (CV) Types

Registration Procedure(s)
IETF Review
Reference
[RFC5085]
Note
Bit numbering: In this sub-registry, the most significant (high order) bit
is labeled Bit 7, and the least significant (low order) bit is labeled Bit 0,
see parenthetical "Value".
    
Available Formats

CSV
Bit (Value) Description Reference
0 (0x01) ICMP Ping [RFC5085]
1 (0x02) LSP Ping [RFC5085]
2 (0x04) BFD IP/UDP-encapsulated, for PW Fault Detection only [RFC5885]
3 (0x08) BFD IP/UDP-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling [RFC5885]
4 (0x10) BFD PW-ACH-encapsulated, for PW Fault Detection only [RFC5885]
5 (0x20) BFD PW-ACH-encapsulated, for PW Fault Detection and AC/PW Fault Status Signaling [RFC5885]
6 (0x40) S-BFD IP/UDP-encapsulated, for PW Fault Detection only [RFC7885]
7 (0x80) S-BFD PW-ACH-encapsulated, for PW Fault Detection only [RFC7885]

Pseudowire Switching Point PE sub-TLV Type

Expert(s)
Primary: Stewart Bryant; secondary: Matthew Bocci
Reference
[RFC6073]
Available Formats

CSV
Range Registration Procedures Note
0 IETF Review
1-64 Expert Review
65-127 IETF Review
128-254 First Come First Served reserved for vendor proprietary extensions
255 IETF Review
Type Length Description Reference
0x00 Unassigned
0x01 4 PWid of last PW segment traversed [RFC6073]
0x02 variable PW Switching Point description string [RFC6073]
0x03 4/16 Local IP address of PW Switching Point [RFC6073]
0x04 4/16 Remote IP address of last PW Switching Point traversed or of the T-PE [RFC6073]
0x05 variable FEC Element of last PW segment traversed [RFC6073]
0x06 14 L2 PW address of PW Switching Point [RFC6073][RFC7267]
0x07 24 Static PW/MPLS-TP PW segment ID of last PW segment traversed [RFC6478]
0x08-0xFF Unassigned

CC/CV MEP-ID TLV Registry

Reference
[RFC6428][RFC7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC7214].
    

PW Generic Protocol Flags

Registration Procedure(s)
IETF Review
Reference
[RFC6478]
Available Formats

CSV
Bit (Value) Description Reference
0 (0x0001) S-PE bypass mode [RFC6478]
1-15 (0x0002-0x8000) Unassigned

L2VPN PE Stack Capabilities

Registration Procedure(s)
IETF Review
Reference
[RFC6575]
Available Formats

CSV
Bit (Value) Description Reference
0 (0x0001) IPv6 stack capability [RFC6575]
1-15 (0x0002-0x8000) Unassigned

G-ACh Advertisement Protocol Application Registry

Reference
[RFC7212][RFC7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC7214].
    

G-ACh Advertisement Protocol TLV Registry

Reference
[RFC7212][RFC7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC7214].
    

G-ACh Advertisement Protocol: Ethernet Interface Parameters

Reference
[RFC7213][RFC7214]
Note
Moved to [https://www.iana.org/assignments/g-ach-parameters]  
per [RFC7214].
    

VCCV Extended CV Types

Registration Procedure(s)
IETF Review
Reference
[RFC7189]
Available Formats

CSV
Bit (Value) Description Reference
Bit 0 (0x01) Independent mode for PW Fault Detection only [RFC7189]
Bit 1 (0x02) Independent mode for PW Fault Detection and AC/PW Fault Status Signaling [RFC7189]
Bit 2 (0x04) Coordinated mode for PW Fault Detection only [RFC7189]
Bit 3 (0x08) Coordinated mode for PW Fault Detection and AC/PW Fault Status Signaling [RFC7189]
Bit 4-7 (0x10-0x80) Unassigned

ICC RG Parameter Types

Expert(s)
Stewart Bryant, Matthew Bocci
Reference
[RFC7275]
Available Formats

CSV
Range Registration Procedures Note
0x0000 IETF Review
0x003B-0x1FFF Expert Review
0x2000-0x2FFF IETF Review
0x3000-0x3FFE First Come First Served Vendor Proprietary Extensions
0x3FFF IETF Review
Type Description Reference
0x0000 Unassigned
0x0001 ICC Sender Name [RFC7275]
0x0002 NAK TLV [RFC7275]
0x0003 Requested Protocol Version TLV [RFC7275]
0x0004 Disconnect Code TLV [RFC7275]
0x0005 ICC RG ID TLV [RFC7275]
0x0006-0x000F Reserved [RFC7275]
0x0010 PW-RED Connect TLV [RFC7275]
0x0011 PW-RED Disconnect TLV [RFC7275]
0x0012 PW-RED Config TLV [RFC7275]
0x0013 Service Name TLV [RFC7275]
0x0014 PW ID TLV [RFC7275]
0x0015 Generalized PW ID TLV [RFC7275]
0x0016 PW-RED State TLV [RFC7275]
0x0017 PW-RED Synchronization Request TLV [RFC7275]
0x0018 PW-RED Synchronization Data TLV [RFC7275]
0x0019 PW-RED Disconnect Cause TLV [RFC7275]
0x001A-0x002F Reserved [RFC7275]
0x0030 mLACP Connect TLV [RFC7275]
0x0031 mLACP Disconnect TLV [RFC7275]
0x0032 mLACP System Config TLV [RFC7275]
0x0033 mLACP Port Config TLV [RFC7275]
0x0034 mLACP Port Priority TLV [RFC7275]
0x0035 mLACP Port State TLV [RFC7275]
0x0036 mLACP Aggregator Config TLV [RFC7275]
0x0037 mLACP Aggregator State TLV [RFC7275]
0x0038 mLACP Synchronization Request TLV [RFC7275]
0x0039 mLACP Synchronization Data TLV [RFC7275]
0x003A mLACP Disconnect Cause TLV [RFC7275]
0x003B-0x1FFF Unassigned
0x2000 STP Connect TLV [RFC7727]
0x2001 STP Disconnect TLV [RFC7727]
0x2002 STP System Config TLV [RFC7727]
0x2003 STP Region Name TLV [RFC7727]
0x2004 STP Revision Level TLV [RFC7727]
0x2005 STP Instance Priority TLV [RFC7727]
0x2006 STP Configuration Digest TLV [RFC7727]
0x2007 STP Topology Changed Instances TLV [RFC7727]
0x2008 STP CIST Root Time TLV [RFC7727]
0x2009 STP MSTI Root Time TLV [RFC7727]
0x200A STP Synchronization Request TLV [RFC7727]
0x200B STP Synchronization Data TLV [RFC7727]
0x200C STP Disconnect Cause TLV [RFC7727]
0x200D PON Connect TLV [RFC8024]
0x200E PON Disconnect TLV [RFC8024]
0x200F PON Configuration TLV [RFC8024]
0x2010 PON State TLV [RFC8024]
0x2011-0x3FFF Unassigned

PSN Tunnel Sub-TLV Name Space

Registration Procedure(s)
IETF Review
Reference
[RFC7965]
Available Formats

CSV
Value Description Reference
0 Reserved [RFC7965]
1 IPv4 PSN Tunnel sub-TLV [RFC7965]
2 IPv6 PSN Tunnel sub-TLV [RFC7965]
3-254 Unassigned
255 Reserved [RFC7965]

PW Status Refresh Reduction Control Messages

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC8237]
Available Formats

CSV
Range Registration Procedures
0x00 IETF Review
0x03-0x40 Expert Review
0x41-0x7F IETF Review
0x80-0xFE Expert Review
0xFF IETF Review
Type Message Description Reference
0x00 Unassigned
0x01 Notification message [RFC8237]
0x02 PW Configuration Message [RFC8237]
0x03-0xFF Unassigned

PW Status Refresh Reduction Configuration Message Sub-TLVs

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC8237]
Available Formats

CSV
Range Registration Procedures
0x00 IETF Review
0x04-0x40 Expert Review
0x41-0x7F IETF Review
0x80-0xFE Expert Review
0xFF IETF Review
sub-TLV Type Description Reference
0x00 Unassigned
0x01 MPLS-TP Tunnel ID [RFC8237]
0x02 PW ID Configured List [RFC8237]
0x03 PW ID Unconfigured List [RFC8237]
0x04-0xFF Unassigned

PW Status Refresh Reduction Notification Codes

Expert(s)
Stewart Bryant, Andrew Malis
Reference
[RFC8237]
Available Formats

CSV
Range Registration Procedures
0x00000000 IETF Review
0x00000008-0x00010000 Expert Review
0x00010001-0x08000000 IETF Review
0x08000001-0xFFFFFFFE Expert Review
0xFFFFFFFF IETF Review
Code Error? Description Reference
0x00000000 No Null Notification [RFC8237]
0x00000001 No PW configuration mismatch [RFC8237]
0x00000002 Yes PW Configuration TLV conflict [RFC8237]
0x00000003 No Unknown TLV (U-Bit=1) [RFC8237]
0x00000004 Yes Unknown TLV (U-Bit=0) [RFC8237]
0x00000005 No Unknown Message Type [RFC8237]
0x00000006 No PW configuration not supported [RFC8237]
0x00000007 Yes Unacknowledged control message [RFC8237]
0x00000008-0xFFFFFFFF Unassigned

PW Status Refresh Reduction Message Flags

Registration Procedure(s)
IETF Review
Reference
[RFC8237]
Available Formats

CSV
Bit Position Name Description Reference
0 Unknown flag bit [RFC8237]
1 Configuration flag bit [RFC8237]
2-7 Unassigned

Contact Information

ID Name Contact URI Last Updated
[Christian_Schmutzer] Christian Schmutzer mailto:cschmutz&cisco.com 2022-03-29
[Zhu_Wei] Zhu Wei mailto:zhu.wei120&zte.com.cn 2016-05-09