IS-IS TLV Codepoints

Created
2003-05-06
Last Updated
2014-02-04
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Registries included below

TLV Codepoints Registry

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC3563][RFC6233]
Note
IETF SHALL keep JTC1/SC6 informed of TLV codepoint values allocated,
and JTC1/SC6 SHALL refer allocation requests arising within JTC1
constituencies to the IANA registry process.
Available Formats

CSV
Value Name IIH LSP SNP Purge Status/Reference
1 Area Addresses y y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
2 IIS Neighbors n y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
3 ES Neighbors n y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
4 Part. DIS n y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
5 Prefix Neighbors n y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
6 IIS Neighbors y n n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
7 Instance Identifier y y y y [RFC6822]
8 Padding y n n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
9 LSP Entries n n y n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
10 Authentication y y y y [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.][RFC6233]
11 Unassigned
12 Opt. Checksum y n y n [RFC3358]
13 Purge Originator Identification n y n y [RFC6232]
14 LSPBufferSize n y n n [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
15 Unassigned
16-21 Unassigned
22 Extended IS reachability n y n n [RFC5305]
23 IS Neighbor Attribute n y n n [RFC5311]
24 IS Alias ID n y n n [RFC5311]
25-41 Unassigned
42 DECnet Phase IV y n n n DEC (ancient)
43-65 Unassigned
66 Lucent Proprietary n y n n
67-127 Unassigned
128 IP Int. Reach n y n n [RFC1195][RFC5302]
129 Prot. Supported y y n n [RFC1195]
130 IP Ext. Address n y n n [RFC1195][RFC5302]
131 IDRPI n y y n [RFC1195]
132 IP Intf. Address y y n n [RFC1195]
133 Illegal n n n n [RFC1195] (not used)
134 Traffic Engineering router ID n y n n [RFC5305]
135 Extended IP reachability n y n n [RFC5305]
136 Unassigned
137 Dynamic Name n y n y [RFC5301] [RFC6233]
138 GMPLS-SRLG n y n n [RFC5307]
139 IPv6 SRLG n y n n [RFC6119]
140 IPv6 TE Router ID n y n n [RFC6119]
141 inter-AS reachability information n y n n [RFC5316]
142 GADDR-TLV n y n n [RFC-ietf-isis-rfc6326bis-03]
143 MT-Port-Cap-TLV y n n n [RFC6165]
144 MT-Capability TLV n y n n [RFC6329]
145 TRILL Neighbor TLV y n n n [RFC-ietf-isis-rfc6326bis-03]
146 Unassigned
147 MAC-RI TLV n y n n [RFC6165]
148 BFD-Enabled TLV y n n n [RFC6213]
149-175 Unassigned
176 Nortel Proprietary n y n n
177 Nortel Proprietary n y n n
178-210 Unassigned
211 Restart TLV y n n n [RFC5306]
212-221 Unassigned
222 MT-ISN n y n n [RFC5120]
223 MT IS Neighbor Attribute n y n n [RFC5311]
224-228 Unassigned
229 M-Topologies y y n n [RFC5120]
230-231 Unassigned
232 IPv6 Intf. Addr. y y n n [RFC5308]
233 IPv6 Global Interface Address TLV y n n n [RFC6119]
234 Unassigned
235 MT IP. Reach n y n n [RFC5120]
236 IPv6 IP. Reach n y n n [RFC5308]
237 MT IPv6 IP. Reach n y n n [RFC5120]
238-239 Unassigned
240 P2P 3-Way Adj. State y n n n [RFC5303]
241 Unassigned
242 IS-IS Router CAPABILITY TLV n y n n [RFC4971]
243-250 Unassigned
251 Generic Information n y n n [RFC6823]
252-255 Unassigned

IS-IS Authentication Type Codes for TLV 10

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5304]
Available Formats

CSV
Value Authentication Type Code Reference
0 Reserved [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
1 Cleartext Password [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
2 ISO 10589 Reserved [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]
3 Cryptographic Authentication (CRYPTO_AUTH) [RFC5310]
4-53 Unassigned
54 HMAC-MD5 Authentication [RFC5304]
55-254 Unassigned
255 Routing Domain private authentication method [ISO 10589, "Intermediate System to Intermediate System Intra- Domain Routeing Exchange Protocol for use in Conjunction with the Protocol for Providing the Connectionless-mode Network Service (ISO 8473)", International Standard 10589: 2002, Second Edition, 2002.]

Sub-TLVs for TLV 22, 141, and 222

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5305][RFC5316]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Type Description 22 141 222 Reference
0-2 Unassigned y y y
3 Administrative group (color) y y y [RFC5305]
4 Link Local/Remote Identifiers y y y [RFC5307]
5 Unassigned y y y
6 IPv4 interface address y y y [RFC5305]
7 Unassigned y y y
8 IPv4 neighbor address y y y [RFC5305]
9 Maximum link bandwidth y y y [RFC5305]
10 Maximum reservable link bandwidth y y y [RFC5305]
11 Unreserved bandwidth y y y [RFC5305]
12 IPv6 Interface Address y y y [RFC6119]
13 IPv6 Neighbor Address y y y [RFC6119]
14-17 Unassigned y y y
18 TE Default metric y y y [RFC5305]
19 Link-attributes y y y [RFC5029]
20 Link Protection Type y y y [RFC5307]
21 Interface Switching Capability Descriptor y y y [RFC5307]
22 Bandwidth Constraints y y y [RFC4124]
23 Unconstrained TE LSP Count (sub-)TLV y y y [RFC5330]
24 remote AS number n y n [RFC5316]
25 IPv4 remote ASBR Identifier n y n [RFC5316]
26 IPv6 remote ASBR Identifier n y n [RFC5316]
27 Interface Adjustment Capability Descriptor (IACD) y y y [RFC6001]
28 MTU y n y [RFC-ietf-isis-rfc6326bis-03]
29 SPB-Metric y n y [RFC6329]
30 SPB-A-OALG y n y [RFC6329]
31-249 Unassigned
250-254 Reserved for Cisco-specific extensions
255 Reserved for future expansion

link-attribute bit values for sub-TLV 19 of TLV 22

Registration Procedure(s)
Standards Action
Reference
[RFC5029]
Available Formats

CSV
Value Name
0x1 Local Protection Available
0x2 Link Excluded from Local Protection

Sub-TLVs for TLV 135

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5305]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Type Description Reference
0 Unassigned
1 32-bit Administrative Tag Sub-TLV [RFC5130]
2 64-bit Administrative Tag Sub-TLV [RFC5130]
3-255 Unassigned

IS-IS Group Address Type Codes for TLV 142

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC-ietf-isis-rfc6326bis-03]
Available Formats

CSV
Type Description Reference
0 Reserved [RFC-ietf-isis-rfc6326bis-03]
1 GMAC-ADDR [RFC-ietf-isis-rfc6326bis-03]
2 GIP-ADDR [RFC-ietf-isis-rfc6326bis-03]
3 GIPV6-ADDR [RFC-ietf-isis-rfc6326bis-03]
4 GLMAC-ADDR [RFC-ietf-isis-rfc6326bis-03]
5 GLIP-ADDR [RFC-ietf-isis-rfc6326bis-03]
6 GLIPV6-ADDR [RFC-ietf-isis-rfc6326bis-03]
7-254 Unassigned
255 Reserved [RFC-ietf-isis-rfc6326bis-03]

Sub-TLVs for TLV 143

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC-ietf-isis-rfc6326bis-03]
Available Formats

CSV
Value Group Address Type Code Reference
0 Reserved [RFC-ietf-isis-rfc6326bis-03]
1 VLAN-FLAGs [RFC-ietf-isis-rfc6326bis-03]
2 Enabled-VLANs [RFC-ietf-isis-rfc6326bis-03]
3 AppointedFwrdrs [RFC-ietf-isis-rfc6326bis-03]
4 SPB-MCID [RFC6329]
5 SPB-Digest [RFC6329]
6 SPB-B-VID [RFC6329]
7 PORT-TRILL-VER [RFC-ietf-isis-rfc6326bis-03]
8 VLANs-Appointed [RFC-ietf-isis-rfc6326bis-03]
9-254 Unassigned
255 Reserved [RFC-ietf-isis-rfc6326bis-03]

Sub-TLVs for TLV 144

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC6329]
Available Formats

CSV
Value Group Address Type Code Reference
0 Reserved [RFC6329]
1 SPB-Inst [RFC6329]
2 SPB-I-OALG [RFC6329]
3 SPBM-SI [RFC6329]
4 SPBV-ADDR [RFC6329]
5 Unassigned
6 NICKNAME [RFC-ietf-isis-rfc6326bis-03]
7 TREES [RFC-ietf-isis-rfc6326bis-03]
8 TREE-RT-IDs [RFC-ietf-isis-rfc6326bis-03]
9 TREE-USE-IDs [RFC-ietf-isis-rfc6326bis-03]
10 INT-VLAN [RFC-ietf-isis-rfc6326bis-03]
11-12 Unassigned
13 TRILL-VER [RFC-ietf-isis-rfc6326bis-03]
14 VLAN-GROUP [RFC-ietf-isis-rfc6326bis-03]
15 INT-LABEL [RFC-ietf-isis-rfc6326bis-03]
16 RBCHANNELS [RFC-ietf-isis-rfc6326bis-03]
17 AFFINITY [RFC-ietf-isis-rfc6326bis-03]
18 LABEL-GROUP [RFC-ietf-isis-rfc6326bis-03]
19-254 Unassigned
255 Reserved [RFC6329]

Sub-TLVs for TLV 235

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5120]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Type Description Reference
0 Unassigned
1 32-bit Administrative Tag Sub-TLV [RFC5130]
2 64-bit Administrative Tag Sub-TLV [RFC5130]
3-255 Unassigned

Sub-TLVs for TLV 236

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5308]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Type Description Reference
0 Unassigned
1 32-bit Administrative Tag Sub-TLV [RFC5130]
2 64-bit Administrative Tag Sub-TLV [RFC5130]
3-255 Unassigned

Sub-TLVs for TLV 237

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5305][RFC5120]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Type Description Reference
0 Unassigned
1 32-bit Administrative Tag Sub-TLV [RFC5130]
2 64-bit Administrative Tag Sub-TLV [RFC5130]
3-255 Unassigned

Sub-TLVs for TLV 242

Registration Procedure(s)
Expert Review
Expert(s)
David Ward, Chris Hopps
Reference
[RFC5305][RFC4971]
Note
Allocations within this registry require documentation of the use of
the allocated value and approval by the Designated Expert assigned
by the IESG.
Available Formats

CSV
Value Description Reference
1 TE Node Capability Descriptor [RFC5073]
2 Unassigned
3 TE-MESH-GROUP TLV (IPv4) [RFC4972]
4 TE-MESH-GROUP TLV (IPv6) [RFC4972]
5 PCED sub-TLV [RFC5089]
6 NICKNAME [RFC-ietf-isis-rfc6326bis-03]
7 TREES [RFC-ietf-isis-rfc6326bis-03]
8 TREE-RT-IDs [RFC-ietf-isis-rfc6326bis-03]
9 TREE-USE-IDs [RFC-ietf-isis-rfc6326bis-03]
10 INT-VLAN [RFC-ietf-isis-rfc6326bis-03]
11 IPv4 TE Router ID [RFC5316]
12 IPv6 TE Router ID [RFC5316]
13 TRILL-VER [RFC-ietf-isis-rfc6326bis-03]
14 VLAN-GROUP [RFC-ietf-isis-rfc6326bis-03]
15 INT-LABEL [RFC-ietf-isis-rfc6326bis-03]
16 RBCHANNELS [RFC-ietf-isis-rfc6326bis-03]
17 AFFINITY [RFC-ietf-isis-rfc6326bis-03]
18 LABEL-GROUP [RFC-ietf-isis-rfc6326bis-03]
19-255 Unassigned

Application Identifiers for TLV 251

Registration Procedure(s)
Expert Review
Reference
[RFC6823]
Available Formats

CSV
ID Value Description Allowed in Instance zero (Y/N) Reference
0 Reserved [RFC6823]
1-65535 Unassigned