Border Gateway Protocol (BGP) Extended Communities
- Created
- 2005-08-15
- Last Updated
- 2024-09-09
- Available Formats
-
XML
HTML
Plain text
Registries included below
- BGP Transitive Extended Community Types
- BGP Non-Transitive Extended Community Types
- EVPN Extended Community Sub-Types
- Transitive Two-Octet AS-Specific Extended Community Sub-Types
- Non-Transitive Two-Octet AS-Specific Extended Community Sub-Types
- Transitive Four-Octet AS-Specific Extended Community Sub-Types
- Non-Transitive Four-Octet AS-Specific Extended Community Sub-Types
- Transitive IPv4-Address-Specific Extended Community Sub-Types
- Non-Transitive IPv4-Address-Specific Extended Community Sub-Types
- Transitive Opaque Extended Community Sub-Types
- Non-Transitive Opaque Extended Community Sub-Types
- Generic Transitive Extended Community Sub-Types
- Generic Transitive Extended Community Part 2 Sub-Types
- Generic Transitive Extended Community Part 3 Sub-Types
- Traffic Action Fields
- Transitive IPv6-Address-Specific Extended Community Types
- Non-Transitive IPv6-Address-Specific Extended Community Types
- Additional PMSI Tunnel Attribute Flags
- EVPN Layer 2 Attributes Control Flags
- E-Tree Flags
- Layer2 Info Extended Community Control Flags Bit Vector
- DF Alg
- DF Election Capabilities
- SFC Extended Community Sub-Types
- ARP/ND Extended Community Flags
- Multicast Flags Extended Community
- Context-Specific Label Space ID Type
- EVPN ESI Label Extended Community Flags
- Multihoming Redundancy Mode
- Split Horizon Type
BGP Transitive Extended Community Types
- Reference
- [RFC7153][RFC9184]
- Note
-
This registry contains values of the high-order octet (the "Type" field) of a Transitive Extended Community.
- Available Formats
-
CSV
| Range | Registration Procedures | Note |
|---|---|---|
| 0x00-0x3f | First Come First Served | |
| 0x80-0x82 | First Come First Served | see [RFC9184] |
| 0x83-0x8f | Reserved for Experimental Use | see [RFC3692] |
| 0x90-0xbf | Standards Action |
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | Transitive Two-Octet AS-Specific Extended Community (Sub-Types are defined in the "Transitive Two-octet AS-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x01 | Transitive IPv4-Address-Specific Extended Community (Sub-Types are defined in the "Transitive IPv4-Address-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x02 | Transitive Four-Octet AS-Specific Extended Community (Sub-Types are defined in the "Transitive Four-octet AS-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x03 | Transitive Opaque Extended Community (Sub-Types are defined in the "Transitive Opaque Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x04 | QoS Marking | [Thomas_Martin_Knoll] | 2008-12-30 |
| 0x05 | CoS Capability | [Thomas_Martin_Knoll] | 2009-05-18 |
| 0x06 | EVPN (Sub-Types are defined in the "EVPN Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x07 | FlowSpec Transitive Extended Communities | [draft-ietf-idr-flowspec-interfaceset] | 2017-03-16 |
| 0x08 | Flow spec redirect/mirror to IP next-hop | [draft-simpson-idr-flowspec-redirect] | 2012-09-28 |
| 0x09 | FlowSpec Redirect to indirection-id Extended Community | [draft-ietf-idr-flowspec-path-redirect] | 2018-05-18 |
| 0x0a | Transport Class | [draft-ietf-idr-bgp-ct-30] | 2020-07-01 |
| 0x0b | SFC (Sub-Types are defined in the "SFC Extended Community Sub-Types" registry) | [RFC9015] | 2020-09-02 |
| 0x0c | SRv6 MUP Extended Community | [draft-mpmz-bess-mup-safi-00] | 2022-08-10 |
| 0x0d-0x3f | Unassigned | ||
| 0x80 | Generic Transitive Extended Community (Sub-Types are defined in the "Generic Transitive Extended Community Sub-Types" registry) | [RFC7153][RFC9184] | |
| 0x81 | Generic Transitive Extended Community Part 2 (Sub-Types are defined in the "Generic Transitive Extended Community Part 2 Sub-Types" registry) | [RFC8955][RFC9184] | 2015-08-28 |
| 0x82 | Generic Transitive Extended Community Part 3 (Sub-Types are defined in the "Generic Transitive Extended Community Part 3 Sub-Types" registry) | [RFC8955][RFC9184] | 2015-08-28 |
| 0x83-0x8f | Reserved for Experimental Use | [RFC7153] | 2012-09-28 |
| 0x90-0xbf | Unassigned |
BGP Non-Transitive Extended Community Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the high-order octet (the "Type" field) of a Non-transitive Extended Community. - Available Formats
-
CSV
| Range | Registration Procedures | Note |
|---|---|---|
| 0x40-0x7f | First Come First Served | |
| 0xc0-0xcf | Reserved for Experimental Use | see [RFC3692] |
| 0xd0-0xff | Standards Action |
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x40 | Non-Transitive Two-Octet AS-Specific Extended Community (Sub-Types are defined in the "Non-Transitive Two-octet AS-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x41 | Non-Transitive IPv4-Address-Specific Extended Community (Sub-Types are defined in the "Non-Transitive IPv4-Address-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x42 | Non-Transitive Four-Octet AS-Specific Extended Community (Sub-Types are defined in the "Non-Transitive Four-octet AS-Specific Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x43 | Non-Transitive Opaque Extended Community (Sub-Types are defined in the "Non-Transitive Opaque Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x44 | QoS Marking | [Thomas_Martin_Knoll] | 2008-12-30 |
| 0x45-0x46 | Unassigned | ||
| 0x47 | FlowSpec Non-Transitive Extended Communities | [draft-ietf-idr-flowspec-interfaceset] | 2016-03-16 |
| 0x48-0x49 | Unassigned | ||
| 0x4a | Non-Transitive Transport Class | [draft-ietf-idr-bgp-ct-30] | 2020-07-01 |
| 0x4b-0x7f | Unassigned | ||
| 0xc0-0xcf | Reserved for Experimental Use | [RFC7153] | 2012-09-28 |
| 0xd0-0xff | Unassigned |
EVPN Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x06. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | MAC Mobility | [RFC7432] | 2012-07-11 |
| 0x01 | ESI Label | [RFC7432] | 2012-07-11 |
| 0x02 | ES-Import Route Target | [RFC7432] | 2012-07-11 |
| 0x03 | EVPN Router’s MAC Extended Community | [RFC9135] | 2014-09-23 |
| 0x04 | EVPN Layer 2 Attributes | [RFC8214] | 2016-05-11 |
| 0x05 | E-Tree Extended Community | [RFC8317] | 2016-05-11 |
| 0x06 | DF Election Extended Community | [RFC8584][RFC-ietf-bess-evpn-pref-df-13] | 2016-05-11 |
| 0x07 | I-SID Extended Community | [draft-sajassi-bess-evpn-virtual-eth-segment] | 2016-05-11 |
| 0x08 | ARP/ND Extended Community | [RFC9047] | 2017-01-10 |
| 0x09 | Multicast Flags Extended Community | [RFC9251] | 2017-11-06 |
| 0x0A | EVI-RT Type 0 | [RFC9251] | 2017-11-06 |
| 0x0B | EVI-RT Type 1 | [RFC9251] | 2018-06-06 |
| 0x0C | EVI-RT Type 2 | [RFC9251] | 2018-06-06 |
| 0x0D | EVI-RT Type 3 | [RFC9251] | 2018-06-26 |
| 0x0E | EVPN Attachment Circuit Extended Community | [draft-sajassi-bess-evpn-ac-aware-bundling] | 2019-01-23 |
| 0x0F | Service Carving Timestamp | [draft-ietf-bess-evpn-fast-df-recovery-01] | 2020-05-29 |
| 0x10 | EVPN Link Bandwidth Extended Community | [draft-ietf-bess-evpn-unequal-lb-15] | 2022-03-11 |
| 0x11-0x14 | Unassigned | ||
| 0x15 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x16-0xFF | Unassigned |
Transitive Two-Octet AS-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x00. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x01 | Unassigned | ||
| 0x02 | Route Target | [RFC4360] | |
| 0x03 | Route Origin | [RFC4360] | |
| 0x04 | Juniper Transitive Link Bandwidth | [Jeffrey_Haas] | 2023-04-25 |
| 0x05 | OSPF Domain Identifier | [RFC4577] | |
| 0x06 | Route Aggregation Parameter | [Enke_Chen] | 2023-07-31 |
| 0x07 | Unassigned | ||
| 0x08 | BGP Data Collection | [RFC4384] | |
| 0x09 | Source AS | [RFC6514] | |
| 0x0a | L2VPN Identifier | [RFC6074] | |
| 0x0b-0x0f | Unassigned | ||
| 0x10 | Cisco VPN-Distinguisher | [Eric_Rosen] | 2012-04-10 |
| 0x11-0x12 | Unassigned | ||
| 0x13 | Route-Target Record | [draft-ietf-bess-service-chaining] | 2016-08-29 |
| 0x14 | Unassigned | ||
| 0x15 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x16-0x7f | Unassigned | ||
| 0x80 | Virtual-Network Identifier Extended Community | [Manju_Ramesh] | 2019-06-19 |
| 0x81-0xff | Unassigned |
Non-Transitive Two-Octet AS-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x40. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x03 | Unassigned | ||
| 0x04 | Link Bandwidth | [draft-ietf-idr-link-bandwidth-07] | |
| 0x05-0x7f | Unassigned | ||
| 0x80 | Virtual-Network Identifier Extended Community | [draft-drao-bgp-l3vpn-virtual-network-overlays] | 2015-09-29 |
| 0x81-0xff | Unassigned |
Transitive Four-Octet AS-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x02. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x01 | Unassigned | ||
| 0x02 | Route Target | [RFC5668] | |
| 0x03 | Route Origin | [RFC5668] | |
| 0x04 | Generic (deprecated) | [draft-ietf-idr-as4octet-extcomm-generic-subtype] | |
| 0x05 | OSPF Domain Identifier | [RFC4577] | |
| 0x06 | Route Aggregation Parameter | [Enke_Chen] | 2023-07-31 |
| 0x07 | Unassigned | ||
| 0x08 | BGP Data Collection | [RFC4384] | |
| 0x09 | Source AS | [RFC6514] | |
| 0x0a-0x0f | Unassigned | ||
| 0x10 | Cisco VPN Identifier | [Eric_Rosen] | 2012-04-10 |
| 0x11-0x12 | Unassigned | ||
| 0x13 | Route-Target Record | [draft-ietf-bess-service-chaining] | 2016-08-29 |
| 0x14 | Unassigned | ||
| 0x15 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x16-0xff | Unassigned |
Non-Transitive Four-Octet AS-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x42. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x03 | Unassigned | ||
| 0x04 | Generic (deprecated) | [draft-ietf-idr-as4octet-extcomm-generic-subtype] | |
| 0x05-0xff | Unassigned |
Transitive IPv4-Address-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x01. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | Unassigned (deprecated) | 2014-01-08 | |
| 0x01 | Unassigned | ||
| 0x02 | Route Target | [RFC4360] | |
| 0x03 | Route Origin | [RFC4360] | |
| 0x04 | IPv4-Address-Specific IFIT Tail Community | [draft-wang-idr-bgp-ifit-capabilities-02] | 2021-06-02 |
| 0x05 | OSPF Domain Identifier | [RFC4577] | |
| 0x06 | Unassigned | ||
| 0x07 | OSPF Route ID | [RFC4577] | |
| 0x08 | Unassigned | ||
| 0x09 | Node Target Extended Community | [draft-ietf-idr-node-target-ext-comm-01] | 2021-06-11 |
| 0x0a | L2VPN Identifier | [RFC6074] | |
| 0x0b | VRF Route Import | [RFC6514] | |
| 0x0c | Flow-spec Redirect to IPv4 | [draft-ietf-idr-flowspec-redirect] | 2016-03-22 |
| 0x0d-0x0f | Unassigned | ||
| 0x10 | Cisco VPN-Distinguisher | [Eric_Rosen] | 2012-04-10 |
| 0x11 | Unassigned | ||
| 0x12 | Inter-Area P2MP Segmented Next-Hop | [RFC7524] | 2014-01-08 |
| 0x13 | Route-Target Record | [draft-ietf-bess-service-chaining] | 2016-08-29 |
| 0x14 | VRF-Recursive-Next-Hop-Extended-Community | [Dhananjaya_Rao] | 2020-08-04 |
| 0x15 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x16-0x1f | Unassigned | ||
| 0x20 | MVPN SA RP-address Extended Community | [RFC9081] | 2018-03-26 |
| 0x21-0xff | Unassigned |
Non-Transitive IPv4-Address-Specific Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x41. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x08 | Unassigned | ||
| 0x09 | Node Target Extended Community | [draft-ietf-idr-node-target-ext-comm-01] | 2021-06-11 |
| 0x0a-0xff | Unassigned |
Transitive Opaque Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x03. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | Unassigned (deprecated) | 2007-02-20 | |
| 0x01 | Cost Community | [draft-ietf-idr-custom-decision] | 2014-07-15 |
| 0x02 | Unassigned (deprecated) | 2007-02-20 | |
| 0x03 | CP-ORF | [RFC7543] | 2014-09-24 |
| 0x04 | Extranet Source Extended Community | [RFC7900] | 2016-04-28 |
| 0x05 | Extranet Separation Extended Community | [RFC7900] | 2016-04-28 |
| 0x06 | OSPF Route Type | [RFC4577] | |
| 0x07 | Additional PMSI Tunnel Attribute Flags | [RFC7902] | 2016-05-12 |
| 0x08 | Context-Specific Label Space ID Extended Community | [RFC9573] | 2019-01-23 |
| 0x09-0x0a | Unassigned | ||
| 0x0b | Color Extended Community | [RFC9012] | |
| 0x0c | Encapsulation Extended Community | [RFC9012] | |
| 0x0d | Default Gateway | [Yakov_Rekhter] | 2012-07-10 |
| 0x0e | Point-to-Point-to-Multipoint (PPMP) Label | [Rishabh_Parekh] | 2016-01-19 |
| 0x0f | BGP Group Policy Class Tag Extended Community | [Dhananjaya_Rao] | 2022-10-26 |
| 0x10 | Site Identifier Extended Community | [Renato_Fischer] | 2024-08-30 |
| 0x11-0x13 | Unassigned | ||
| 0x14 | Consistent Hash Sort Order | [draft-ietf-bess-service-chaining] | 2016-05-11 |
| 0x15-0x16 | Unassigned | ||
| 0x17 | Group Policy ID Extended Community | [draft-wlin-bess-group-policy-id-extended-community-02] | 2022-11-07 |
| 0x18-0x1a | Unassigned | ||
| 0x1b | Local Color Mapping (LCM) | [draft-ietf-idr-bgp-car-05] | 2023-03-17 |
| 0x18-0xa9 | Unassigned | ||
| 0xaa | LoadBalance | [draft-ietf-bess-service-chaining] | 2017-11-01 |
| 0xab-0xff | Unassigned |
Non-Transitive Opaque Extended Community Sub-Types
- Reference
- [RFC7153]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x43. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | BGP Origin Validation State Extended Community | [RFC8097] | |
| 0x01 | Cost Community | [draft-ietf-idr-custom-decision] | 2014-07-15 |
| 0x02 | Route Target | [Nischal_Sheth] | 2019-05-17 |
| 0x03-0x14 | Unassigned | ||
| 0x15 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x16-0xff | Unassigned |
Generic Transitive Extended Community Sub-Types
- Reference
- [RFC7153][RFC9184]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x80. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00 | OSPF Route Type (deprecated) | [RFC4577] | 2014-08-01 |
| 0x01 | OSPF Router ID (deprecated) | [RFC4577] | 2014-08-01 |
| 0x02-0x03 | Unassigned | ||
| 0x04 | SecurityGroup | [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#security-group] | 2018-10-01 |
| 0x05 | OSPF Domain Identifier (deprecated) | [RFC4577] | 2014-08-01 |
| 0x06 | Flow spec traffic-rate-bytes | [RFC8955] | |
| 0x07 | Flow spec traffic-action (Use of the "Value" field is defined in the "Traffic Action Fields" registry) | [RFC8955] | |
| 0x08 | Flow spec rt-redirect AS-2octet format | [RFC8955] | |
| 0x09 | Flow spec traffic-remarking | [RFC8955] | |
| 0x0a | Layer2 Info Extended Community | [RFC4761] | |
| 0x0b | E-Tree Info | [RFC7796] | 2014-11-24 |
| 0x0c | Flow spec traffic-rate-packets | [RFC8955] | 2020-08-05 |
| 0x0d | Flow Specification for SFC Classifiers | [RFC9015] | 2020-09-02 |
| 0x0e-0x83 | Unassigned | ||
| 0x84 | Tag | [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#tag] | 2017-10-30 |
| 0x85 | Origin Sub-Cluster | [Richard_Roberts][https://github.com/robric/wiki-contrail-controller/blob/master/BGP-Extended-Communities.md] | 2019-09-03 |
| 0x86-0xff | Unassigned |
Generic Transitive Extended Community Part 2 Sub-Types
- Reference
- [RFC8955][RFC9184]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x81. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x07 | Unassigned | ||
| 0x08 | Flow spec rt-redirect IPv4 format | [RFC8955] | 2015-08-28 |
| 0x09-0xff | Unassigned |
Generic Transitive Extended Community Part 3 Sub-Types
- Reference
- [RFC8955][RFC9184]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is 0x82. - Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0x03 | Unassigned | ||
| 0x04 | SecurityGroupAS4 | [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#security-group] | 2018-10-01 |
| 0x05-0x07 | Unassigned | ||
| 0x08 | Flow spec rt-redirect AS-4octet format | [RFC8955] | 2015-08-28 |
| 0x09-0x83 | Unassigned | ||
| 0x84 | Tag4 | [Anantharamu_Suryanarayana][https://github.com/Juniper/contrail-controller/wiki/BGP-Extended-Communities#tag] | 2018-10-01 |
| 0x85 | Origin Sub-Cluster4 | [Richard_Roberts][https://github.com/robric/wiki-contrail-controller/blob/master/BGP-Extended-Communities.md] | 2019-09-03 |
| 0x86-0xff | Unassigned |
Traffic Action Fields
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC8955]
- Note
-
Bit 0 is the most significant, or leftmost bit of the six-byte field; bit 47 is the least significant, or rightmost bit.
- Available Formats
-
CSV
| Bit | Name | Reference | Date |
|---|---|---|---|
| 47 | Terminal Action | [RFC8955] | |
| 46 | Sample | [RFC8955] | |
| 0-45 | Unassigned |
Transitive IPv6-Address-Specific Extended Community Types
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC7153]
- Note
-
This registry contains values of the two high-order octets of an IPv6-Address-Specific Extended Community. - Available Formats
-
CSV
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x0000-0x0001 | Unassigned | ||
| 0x0002 | Route Target | [RFC5701] | |
| 0x0003 | Route Origin | [RFC5701] | |
| 0x0004 | OSPFv3 Route Attributes (deprecated) | [RFC6565] | |
| 0x0005 | IPv6-Address-Specific IFIT Tail Community | [draft-wang-idr-bgp-ifit-capabilities-02] | 2021-06-02 |
| 0x0006 | Extension of Link Bandwidth Extended Community | [draft-li-idr-link-bandwidth-ext-01] | 2024-04-22 |
| 0x0007-0x000a | Unassigned | ||
| 0x000b | VRF Route Import | [RFC6515][RFC6514] | |
| 0x000c | Flow-spec Redirect to IPv6 | [draft-ietf-idr-flowspec-redirect-ip] | 2016-03-22 |
| 0x000d | Flow spec rt-redirect-ipv6 format | [RFC8956] | 2020-12-14 |
| 0x000e-0x000f | Unassigned | ||
| 0x0010 | Cisco VPN-Distinguisher | [Eric_Rosen] | 2012-04-10 |
| 0x0011 | UUID-based Route Target | [Dhananjaya_Rao] | 2013-04-30 |
| 0x0012 | Inter-Area P2MP Segmented Next-Hop | [RFC7524] | 2014-01-08 |
| 0x0013 | Unassigned | ||
| 0x0014 | VRF-Recursive-Next-Hop-Extended-Community | [Dhananjaya_Rao] | 2020-08-04 |
| 0x0015 | RT-derived-EC | [draft-zzhang-idr-rt-derived-community-00] | 2021-03-09 |
| 0x0016-0x00ff | Unassigned |
Non-Transitive IPv6-Address-Specific Extended Community Types
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC7153]
- Note
-
This registry contains values of the two high-order octets of an IPv6-Address-Specific Extended Community. - Available Formats
-
CSV
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x4000-0x40ff | Unassigned |
Additional PMSI Tunnel Attribute Flags
- Registration Procedure(s)
-
Standards Action
- Reference
- [RFC7902]
- Available Formats
-
CSV
| Bit Flag | Name | Reference | Date |
|---|---|---|---|
| 0-46 | Unassigned | ||
| 47 | DCB | [RFC9573] | 2019-01-23 |
EVPN Layer 2 Attributes Control Flags
- Registration Procedure(s)
-
RFC Required
- Reference
- [RFC8214]
- Available Formats
-
CSV
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| P | Advertising PE is the primary PE. | [RFC8214] | 2017-06-15 |
| B | Advertising PE is the backup PE. | [RFC8214] | 2017-06-15 |
| C | Control word [RFC4448] MUST be present. | [RFC8214] | 2017-06-15 |
E-Tree Flags
- Registration Procedure(s)
-
RFC Required
- Reference
- [RFC8317]
- Available Formats
-
CSV
| Bit | Name | Reference | Date |
|---|---|---|---|
| 0-6 | Unassigned | ||
| 7 | Leaf-Indication | [RFC8317] | 2017-12-05 |
Layer2 Info Extended Community Control Flags Bit Vector
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC8395]
- Available Formats
-
CSV
| Value | Name | Reference | Date |
|---|---|---|---|
| T | Request to send a flow label | [RFC8395] | 2018-03-29 |
| R | Ability to receive a flow label | [RFC8395] | 2018-03-29 |
| C | Presence of a Control Word | [RFC4761] | 2018-03-29 |
| S | Sequenced delivery of frames | [RFC4761] | 2018-03-29 |
DF Alg
- Registration Procedure(s)
-
RFC Required
- Reference
- [RFC8584]
- Available Formats
-
CSV
| Alg | Name | Reference | Date |
|---|---|---|---|
| 0 | Default DF Election | [RFC8584] | 2019-02-01 |
| 1 | HRW Algorithm | [RFC8584] | 2019-02-01 |
| 2 | Highest-Preference Algorithm | [RFC-ietf-bess-evpn-pref-df-13] | 2023-11-05 |
| 3 | Lowest-Preference Algorithm | [RFC-ietf-bess-evpn-pref-df-13] | 2023-11-05 |
| 4-30 | Unassigned | ||
| 31 | Reserved for Experimental Use | [RFC8584] | 2019-02-01 |
DF Election Capabilities
- Registration Procedure(s)
-
RFC Required
- Reference
- [RFC8584]
- Available Formats
-
CSV
| Bit | Name | Reference | Date |
|---|---|---|---|
| 0 | D (Don't Preempt) Capability | [RFC-ietf-bess-evpn-pref-df-13] | 2023-11-05 |
| 1 | AC-DF Capability | [RFC8584] | 2019-02-01 |
| 2-15 | Unassigned |
SFC Extended Community Sub-Types
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC9015]
- Note
-
This registry contains values of the second octet (the "Sub-Type" field) of an extended community when the value of the first octet (the "Type" field) is set to 0x0b. - Available Formats
-
CSV
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0 | Reserved | [RFC9015] | |
| 1 | SFIR Pool Identifier | [RFC9015] | 2020-09-02 |
| 2 | MPLS Label Stack Mixed Swapping/Stacking Labels | [RFC9015] | 2020-09-02 |
| 3-255 | Unassigned |
ARP/ND Extended Community Flags
- Registration Procedure(s)
-
Standards Action
- Reference
- [RFC9047]
- Available Formats
-
CSV
| Flag Position | Name | Reference | Date |
|---|---|---|---|
| 0-3 | Unassigned | ||
| 4 | Immutable ARP/ND Binding Flag (I) | [RFC9047] | 2021-04-09 |
| 5 | Unassigned | ||
| 6 | Override Flag (O) | [RFC9047] | 2021-04-09 |
| 7 | Router Flag (R) | [RFC9047] | 2021-04-09 |
Multicast Flags Extended Community
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC9251]
- Available Formats
-
CSV
| Bit | Name | Reference | Change Controller | Date |
|---|---|---|---|---|
| 0-3 | Unassigned | |||
| 4 | Single Flow Group | [draft-ietf-bess-evpn-redundant-mcast-source-07] | IETF | 2023-12-22 |
| 5 | SEMG (Seamless Interop EVPN Multicast Gateway) | [draft-ietf-bess-evpn-mvpn-seamless-interop-03] | IETF | 2022-03-30 |
| 6 | EVPN/MVPN Seamless Interop Supported | [draft-ietf-bess-evpn-mvpn-seamless-interop-03] | IETF | 2022-03-30 |
| 7 | OISM SBD | [RFC9625] | IETF | 2022-03-30 |
| 8 | Segmentation Support | [RFC9572] | IETF | 2022-03-29 |
| 9 | IPMG | [RFC9625] | IETF | 2022-03-30 |
| 10 | MEG | [RFC9625] | IETF | 2022-03-30 |
| 11 | PEG | [RFC9625] | IETF | 2022-03-30 |
| 12 | OISM-supported | [RFC9625] | IETF | 2022-03-30 |
| 13 | Extended-MH-AR | [draft-ietf-bess-extended-evpn-optimized-ir-01] | IETF | 2022-07-08 |
| 14 | MLD Proxy Support | [RFC9251] | IETF | 2022-03-28 |
| 15 | IGMP Proxy Support | [RFC9251] | IETF | 2022-03-28 |
Context-Specific Label Space ID Type
- Registration Procedure(s)
-
First Come First Served
- Reference
- [RFC9573]
- Available Formats
-
CSV
| Type Value | Name | Reference | Change Controller | Date |
|---|---|---|---|---|
| 0 | MPLS Label | [RFC9573] | IETF | 2023-10-09 |
| 1-254 | Unassigned | |||
| 255 | Reserved | [RFC9573] |
EVPN ESI Label Extended Community Flags
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC-ietf-bess-evpn-mh-split-horizon-11]
- Available Formats
-
CSV
| Bit Position | Name | Reference | Date |
|---|---|---|---|
| 0-1 | Multihoming Redundancy Mode | [RFC7432] | 2024-09-09 |
| 2-5 | Unassigned | ||
| 6-7 | Split Horizon Type | [RFC-ietf-bess-evpn-mh-split-horizon-11] | 2024-09-09 |
Multihoming Redundancy Mode
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC-ietf-bess-evpn-mh-split-horizon-11]
- Available Formats
-
CSV
| Value | Multihoming Redundancy Mode | Reference | Date |
|---|---|---|---|
| 00 | All-Active mode | [RFC7432] | 2024-09-09 |
| 01 | Single-Active mode | [RFC7432] | 2024-09-09 |
| 10 | Unassigned | ||
| 11 | Unassigned |
Split Horizon Type
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC-ietf-bess-evpn-mh-split-horizon-11]
- Available Formats
-
CSV
| Value | Split Horizon Type Value | Reference | Date |
|---|---|---|---|
| 00 | Default SHT | [RFC-ietf-bess-evpn-mh-split-horizon-11] | 2024-09-09 |
| 01 | Local Bias | [RFC-ietf-bess-evpn-mh-split-horizon-11] | 2024-09-09 |
| 10 | ESI Label based filtering | [RFC-ietf-bess-evpn-mh-split-horizon-11] | 2024-09-09 |
| 11 | Unassigned |
Contact Information
| ID | Name | Contact URI | Last Updated |
|---|---|---|---|
| [Anantharamu_Suryanarayana] | Anantharamu Suryanarayana | mailto:anantharamu&gmail.com | 2018-10-01 |
| [Dhananjaya_Rao] | Dhananjaya Rao | mailto:dhrao&cisco.com | 2022-10-26 |
| [Enke_Chen] | Enke Chen | mailto:enchen&paloaltonetworks.com | 2023-07-31 |
| [Eric_Rosen] | Eric Rosen | mailto:erosen&cisco.com | 2012-04-10 |
| [Jeffrey_Haas] | Jeffrey Haas | mailto:jhaas&juniper.net | 2023-04-25 |
| [Nischal_Sheth] | Nischal Sheth | mailto:nischal.sheth&gmail.com | 2019-05-17 |
| [Manju_Ramesh] | Manju Ramesh | mailto:manjrame&cisco.com | 2019-06-19 |
| [Renato_Fischer] | Renato Fischer | mailto:reramalh&cisco.com | 2024-08-30 |
| [Richard_Roberts] | Richard Roberts | mailto:rroberts&juniper.net | 2019-09-03 |
| [Rishabh_Parekh] | Rishabh Parekh | mailto:rishabhp&gmail.com | 2016-01-19 |
| [Thomas_Martin_Knoll] | Thomas Martin Knoll | mailto:thomas.m.knoll&gmail.com | 2015-01-25 |
| [Yakov_Rekhter] | Yakov Rekhter | mailto:yakov&juniper.net | 2012-07-10 |