Internet Assigned Numbers Authority

Transparent Interconnection of Lots of Links (TRILL) Parameters

Created
2010-03-26
Last Updated
2024-09-02
Available Formats

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HTML
Plain text

Registries included below

TRILL Nicknames

Registration Procedure(s)
RFC Required (single value) or IETF Review (single or multiple values)
Reference
[RFC6325]
Available Formats

CSV
Name Description Reference
0x0000 Reserved to indicate no nickname specified [RFC6325]
0x0001-0xFFBF Dynamically allocated by the RBridges within each RBridge campus [RFC6325]
0xFFC0 Any-RBridge [RFC7178]
0xFFC1 OOMF (Overload Originated Multi-destination Frame) [RFC7780]
0xFFC2-0xFFD7 Unassigned
0xFFD8-0xFFDF For use in documentation examples [RFC7780]
0xFFE0-0xFFFE Unassigned
0xFFFF Permanently reserved [RFC6325]

TRILL Multicast Addresses

Registration Procedure(s)
IETF Review
Reference
[RFC6325]
Available Formats

CSV
Address Description Reference
01-80-C2-00-00-40 All-RBridges [RFC6325]
01-80-C2-00-00-41 All-IS-IS-RBridges [RFC6325]
01-80-C2-00-00-42 All-ESADI-RBridges/All-Egress-RBridges [RFC6325][RFC7178]
01-80-C2-00-00-43 to 01-80-C2-00-00-44 Unassigned
01-80-C2-00-00-45 TRILL-End-Stations [RFC7178]
01-80-C2-00-00-46 All-Edge-RBridges [RFC7178]
01-80-C2-00-00-47 TRILL-ES-IS [RFC8171]
01-80-C2-00-00-48 to 01-80-C2-00-00-4F Unassigned

TRILL Ethertypes

Registration Procedure(s)
Ethertypes are assigned by the IEEE Registration Authority. 
Updates to this registry are coordinated with the designated 
expert.
Expert(s)
Donald Eastlake (primary), Sue Hares (secondary)
Reference
[RFC8377]
Note
This registry provides centralized documentation of
Ethertypes that were assigned by the IEEE for initial use
with TRILL. In some cases, particularly L2-IS-IS and MT,
they may be used with other protocols.
Available Formats

CSV
Value Mnemonic Explanation Reference
0x22F3 TRILL TRILL data [RFC6325]
0x22F4 L2-IS-IS IS-IS [RFC6325]
0x893B FGL Fine Grained Labeling [RFC7172]
0x8946 - TRILL RBridge Channel [RFC7178]
0x9A22 MT Multi-Topology [RFC8377]

TRILL Extended Header Flags

Registration Procedure(s)
IETF Review
Reference
[RFC7179]
Available Formats

CSV
Bits Purpose Reference
0-2 Critical Summary Bits [RFC7179]
3-6 available critical hop-by-hop flags [RFC7179]
7 Critical Channel Alert Flag [RFC7179]
8 Non-critical Channel Alert Flag [RFC7179]
9-11 available non-critical hop-by-hop flags [RFC7179]
12-13 TRILL-ECN (Explicit Congestion Notification) [RFC9600]
14-16 Extended Hop Count [RFC7780]
17-20 available non-critical reserved flags [RFC7179]
21-25 available critical ingress-to-egress flags [RFC7179]
26 Critical Congestion Experienced (CCE) [RFC9600]
27-28 Extended Color [RFC7780]
29-31 available non-critical ingress-to-egress flags [RFC7179][RFC7780]

RBridge Channel Protocols

Reference
[RFC7178]
Available Formats

CSV
Range Registration Procedures Note
0x002-0x0FF Standards Action
0x100-0xFF7 RFC Required allocation of a single value
0x100-0xFF7 IESG Approval allocation of multiple values
Protocol Description Reference
0x000 Reserved [RFC7178]
0x001 RBridge Channel Error [RFC7178]
0x002 BFD Control [RFC7175]
0x003 BFD Echo [RFC7175]
0x004 RBridge Channel Extension [RFC7978]
0x005 Pull Directory Services [RFC8171]
0x006 Port-Shutdown [RFC8139]
0x007 P2MP BFD Control [RFC8564]
0x008 Vendor-Specific RBridge Channel [RFC8381]
0x009 Address Flush [RFC8383]
0x00A-0xFF7 Unassigned
0xFF8-0xFFE Reserved for Private Use [RFC7178]
0xFFF Reserved [RFC7178]

TRILL Address Flush TLV Types

Registration Procedure(s)
IETF Review
Reference
[RFC8383]
Available Formats

CSV
Protocol Description Reference
0 Reserved [RFC8383]
1 Blocks of VLANs [RFC8383]
2 Bit Map of VLANs [RFC8383]
3 Blocks of FGLs [RFC8383]
4 List of FGLs [RFC8383]
5 Bit Map of FGLs [RFC8383]
6 All Data Labels [RFC8383]
7 MAC Address List [RFC8383]
8 MAC Address Blocks [RFC8383]
9-254 Unassigned
255 Reserved [RFC8383]

Extended RBridge Channel Payload Types

Registration Procedure(s)
IETF Review
Reference
[RFC7978]
Available Formats

CSV
PType Description Reference
0 Reserved [RFC7978]
1 Null [RFC7978, Section 3.1]
2 Ethertyped Payload [RFC7978, Section 3.2]
3 Ethernet Frame [RFC7978, Section 3.3]
4-14 Unassigned
15 Reserved [RFC7978]

Extended RBridge Channel Security Types

Registration Procedure(s)
IETF Review
Reference
[RFC7978]
Available Formats

CSV
SType Description Reference
0 None [RFC7978, Section 4.2]
1 IS-IS CRYPTO_AUTH-Based Authentication [RFC7978, Section 4.3]
2 DTLS Pairwise Security [RFC7978, Section 4.4]
3 Composite Security [RFC7978, Section 4.5]
4-14 Unassigned
15 Reserved [RFC7978]

RBridge Channel Header Flags

Registration Procedure(s)
IETF Review
Reference
[RFC7178]
Available Formats

CSV
Flag Bit Mnemonic Allocation Reference
0 SL Silent [RFC7178]
1 MH Multi-hop [RFC7178]
2 NA Native [RFC7178]
3-11 Unassigned

RBridge Channel Error Codes

Registration Procedure(s)
Standards Action
Reference
[RFC7178]
Note
Value 15 is intended to be allocated by Standards Action for an error
code expansion feature when it appears likely that all other
available error codes are being allocated.
Available Formats

CSV
Value RBridge Channel Error Code Meaning Reference
0 No error [RFC7178]
1 Frame too short (truncated Ethertype or Channel Header) [RFC7178]
2 Unrecognized Ethertype [RFC7178]
3 Unimplemented value of CHV [RFC7178]
4 Wrong value of NA flag [RFC7178]
5 Channel Protocol is reserved or unimplemented [RFC7178]
6 Unknown or unsupported field value [RFC7978]
7 Authentication failure [RFC7978]
8 Error in nested RBridge Channel message [RFC7978]
9-14 Unassigned
15 Reserved (see Note) [RFC7178]

RBridge Channel SubError Codes

Registration Procedure(s)
IETF Review
Reference
[RFC7978]
Available Formats

CSV
Err SubERR Meaning Reference
0 No Error, suberrors not allowed [RFC7978]
1-5 (no suberrors assigned) [RFC7978]
6 0 Reserved [RFC7978]
6 1 Non-zero RESV4 nibble [RFC7978]
6 2 Unsupported SType [RFC7978]
6 3 Unsupported PType [RFC7978]
6 4 Unknown Key ID [RFC7978]
6 5 Unsupported Ethertype with PType = 2 [RFC7978]
6 6 Unsupported authentication algorithm for SType = 1 [RFC7978]
6 7 Non-zero SubERR with zero ERR field [RFC7978]
6 8-15 Unassigned
7-14 (no suberrors assigned) [RFC7978]
15 Reserved [RFC7978]

Vendor RBridge Channel Error Codes

Registration Procedure(s)
Standards Action
Reference
[RFC8381]
Available Formats

CSV
Code Description Reference
0x00 No error [RFC8381]
0x01 Message too short [RFC8381]
0x02 Unknown OUI/CID [RFC8381]
0x03 Unknown Sub-Protocol [RFC8381]
0x04 Unknown Sub-Version [RFC8381]
0x05-0x0F Unassigned
0x10-0xFE Reserved for vendor use [RFC8381]
0xFF Reserved [RFC8381]

TRILL-VER Sub-TLV Capability Flags

Registration Procedure(s)
IETF Review
Reference
[RFC7176]
Available Formats

CSV
Bit Description Reference
0 Affinity sub-TLV support [RFC7783]
1 FGL-safe [RFC7172]
2 OAM capable [RFC7455]
3 Backwards-compatible OAM [RFC7455]
4 E-L1FS FS-LSP support [RFC7780][RFC7356]
5 Able to handle the NickBlockFlags APPsub-TLV [RFC8397]
6-13 Unassigned
14 Extended Hop Count support [RFC7780]
15-16 Unassigned
17-20 available non-critical reserved flags [RFC7179]
21-26 available critical ingress-to-egress flags [RFC7179]
27-28 Extended Color support [RFC7780]
29-31 Extended header flag support [RFC7179][RFC7780]

PORT-TRILL-VER Sub-TLV Capability Flags

Registration Procedure(s)
IETF Review
Reference
[RFC7176]
Available Formats

CSV
Bit Description Reference
0 Hello reduction support. [RFC8139]
1-2 Unassigned
3-13 Hop-by-hop extended flag support. [RFC7179]
14-15 Topology labeling support. [RFC8377]
16-31 Unassigned

TRILL Neighbor TLV NEIGHBOR RECORD Flags

Registration Procedure(s)
Standards Action
Reference
[RFC7176]
Available Formats

CSV
Bit Short Name Description Reference
0 Fail Failed MTU test [RFC6325][RFC7176][RFC7177]
1 OOMF Offering OOMF service [RFC7780]
2-7 Unassigned

Interested VLANs Flag Bits

Registration Procedure(s)
IETF Review
Reference
[RFC7176][RFC7357]
Note
These bits appear in the Interested VLANs record within the
Interested VLANs and Spanning Tree Roots Sub-TLV (INT-VLAN)
specified in [RFC7176].
Available Formats

CSV
Bit Mnemonic Description Reference
0 M4 IPv4 Multicast Router Attached [RFC7176]
1 M6 IPv6 Multicast Router Attached [RFC7176]
2 Unassigned
3 ES ESADI Participation [RFC7357]
4-15 (used for a VLAN ID) [RFC7176]
16 AA VLANs for Active-Active [RFC7782]
17 Unassigned
18 PUL Pull Directory [RFC8171]
19 NOD No Data [RFC8171]
20-31 (used for a VLAN ID) [RFC7176]

Interested Labels Flag Bits

Registration Procedure(s)
IETF Review
Reference
[RFC7176][RFC7357]
Note
These bits appear in the Interested Labels record within the
Interested Labels and Spanning Tree Roots Sub-TLV (INT-LABEL)
specified in [RFC7176].
Available Formats

CSV
Bit Mnemonic Description Reference
0 M4 IPv4 Multicast Router Attached [RFC7176]
1 M6 IPv6 Multicast Router Attached [RFC7176]
2 BM Bit Map [RFC7176]
3 ES ESADI Participation [RFC7357]
4 AA FGLs for Active-Active [RFC7782]
5 Unassigned
6 PUL Pull Directory [RFC8171]
7 NOD No Data [RFC8171]

TRILL APPsub-TLV Types under IS-IS TLV 251 Application Identifier 1

Registration Procedure(s)
IETF Review with additional requirements on the 
documentation of the use being registered as specified in 
Section 7.2 of [RFC7357].
Reference
[RFC7357]
Note
Types greater than 255 are only usable in contexts permitting 
a type larger than one byte, such as extended TLVs [RFC7356].
Note
Also see [Application Identifiers for TLV 251]
Available Formats

CSV
Type Name Reference
0 Reserved [RFC7357]
1 ESADI-PARAM [RFC7357][RFC8171]
2 PN-LAALP-Membership [RFC7781]
3 PN-RBv [RFC7781]
4 PN-MAC-RI-LAALP-INFO-START [RFC7781]
5 PN-MAC-RI-LAALP-INFO-END [RFC7781]
6 NICKFLAGS [RFC7780]
7 TENANT-GWMAC-LABEL [RFC7956]
8 IPV4-PREFIX [RFC7956]
9 IPV6-PREFIX [RFC7956]
10 IA [RFC7961]
11 Tree and VLANs [RFC7968]
12 Tree and VLANs Used [RFC7968]
13 Tree and FGLs [RFC7968]
14 Tree and FGLs Used [RFC7968]
15 Tree and Groups [RFC7968]
16 Tree and Groups Used [RFC7968]
17 AppointmentBitmap [RFC8139]
18 AppointmentList [RFC8139]
19 FGL-VLAN-Bitmap [RFC8139]
20 FGL-VLAN-Pairs [RFC8139]
21 originatingSNPBufferSize [RFC8249]
22 Smart-Parameters [RFC8384]
23 Smart-MAC [RFC8384]
24 NickBlockFlags [RFC8397]
25-251 Unassigned
252 AA-LAALP-GROUP-RBRIDGES [RFC7782]
253 AA-LAALP-GROUP-MAC [RFC7782]
254 EXTENDED-RBRIDGE-CAP [RFC7782]
255 Reserved [RFC7357]
256 L1-BORDER-RBRIDGE [RFC9183]
257 L1-BORDER-RB-GROUP [RFC9183]
258-65534 Unassigned
65535 Reserved [RFC7357]

ESADI-Parameter APPsub-TLV Flag Bits

Registration Procedure(s)
Standards Action
Reference
[RFC7357][RFC8171]
Available Formats

CSV
Bit Mnemonic Description Reference
0 UN Supports Unicast ESADI [RFC7357]
1-2 PDSS Push Directory Server Status [RFC8171]
3-7 Unassigned

NickFlags Bits

Registration Procedure(s)
IETF Review
Reference
[RFC7780]
Available Formats

CSV
Bit Mnemonic Description Reference
0 IN Used as ingress [RFC7780]
1 SE Inter-Subnet Egress [RFC7956]
2 R Replication Nickname [RFC8361]
3 C Special RPF Check [RFC8361]
4-15 Unassigned

Interface Addresses APPsub-TLV Sub-sub-TLVs

Registration Procedure(s)
Expert Review
Expert(s)
Unassigned
Reference
[RFC7961]
Note
Types greater than 255 are not usable in some contexts.
Available Formats

CSV
Type Description Reference
0 Reserved [RFC7961]
1 AFN Size [RFC7961]
2 Fixed Address [RFC7961]
3 Data Label [RFC7961]
4 Topology [RFC7961]
5-254 Unassigned
255 Reserved [RFC7961]
256-65534 Unassigned
65535 Reserved [RFC7961]

Extended RBridge Capabilities

Registration Procedure(s)
Expert Review
Expert(s)
Unassigned
Reference
[RFC7782]
Available Formats

CSV
Bit Mnemonic Description Reference
0 E Option B Support [RFC7782]
1 H Option A Support [RFC7782]
2-63 Unassigned

TRILL OAM Return Codes

Registration Procedure(s)
Standards Action
Reference
[RFC7455]
Available Formats

CSV
Return Code Assignment Reference
0 Request message [RFC7455]
1 Reply message [RFC7455]
2-255 Unassigned

Sub-codes for TRILL OAM Return Code 0

Registration Procedure(s)
Standards Action
Reference
[RFC7455]
Available Formats

CSV
Sub Code Assignment Reference
0 Valid request [RFC7455]
1-255 Unassigned

Sub-codes for TRILL OAM Return Code 1

Registration Procedure(s)
Standards Action
Reference
[RFC7455]
Available Formats

CSV
Sub Code Assignment Reference
0 Valid response [RFC7455]
1 Fragment limit exceeded [RFC7455]
2 Intermediate RBridge [RFC7455]
3-255 Unassigned

TRILL Pull Directory Query Types (QTYPEs)

Registration Procedure(s)
IETF Review
Reference
[RFC8171]
Available Formats

CSV
QTYPE Description Reference
0 Reserved [RFC8171]
1 Address query [RFC8171]
2 Frame query [RFC8171]
3-4 Unassigned
5 Unknown unicast MAC query frame [RFC8171]
6-14 Unassigned
15 Reserved [RFC8171]

TRILL Pull Directory Errors

Registration Procedure(s)
IETF Review
Reference
[RFC8171]
Available Formats

CSV
Err Level Meaning Reference
0 No Error [RFC8171]
1 Message Unknown or reserved Query Message field value [RFC8171]
2 Message Request Message/data too short [RFC8171]
3 Message Unknown or reserved Update Message field value [RFC8171]
4 Message Update Message/data too short [RFC8171]
5-126 Message Unassigned
127 Reserved [RFC8171]
128 Record Unknown or reserved QUERY Record field value [RFC8171]
129 Record QUERY Record truncated [RFC8171]
130 Record Address not found [RFC8171]
131 Record Unknown or reserved RESPONSE Record field value [RFC8171]
132 Record RESPONSE Record truncated [RFC8171]
133-254 Record Unassigned
255 Reserved [RFC8171]

Sub-codes for TRILL Pull Directory Errors 1 and 3

Registration Procedure(s)
Expert Review
Expert(s)
Unassigned
Reference
[RFC8171]
Available Formats

CSV
SubErr Field with Error Reference
0 Unspecified [RFC8171]
1 Version not understood (see Section 3.1.1 of [RFC8171]) [RFC8171]
2 Unknown Type field value [RFC8171]
3 Specified Data Label not being served [RFC8171]
4-254 Unassigned
255 Reserved [RFC8171]

Sub-codes for TRILL Pull Directory Errors 128 and 131

Registration Procedure(s)
Expert Review
Expert(s)
Unassigned
Reference
[RFC8171]
Available Formats

CSV
SubErr Field with Error Reference
0 Unspecified [RFC8171]
1 Unknown AFN field value [RFC8171]
2 Unknown or Reserved QTYPE field value [RFC8171]
3 Invalid or inconsistent SIZE field value [RFC8171]
4 Invalid frame for QTYPE 2 (other than SEND) [RFC8171]
5 SEND frame sent as QTYPE 2 [RFC8171]
6 Invalid frame for QTYPE 5 (such as multicast MacDA) [RFC8171]
7-254 Unassigned
255 Reserved [RFC8171]