Registries included below
This registry contains values of the high-order octet (the "Type" field) of a Transitive Extended Community.
| Range | Registration Procedures |
|---|---|
| 0x00-0x3f | First Come First Served |
| 0x80-0x8f | 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 |
| 0x09-0x7f | Unassigned | ||
| 0x80 | Generic Transitive Experimental Use Extended Community (Sub-Types are defined in the "Generic Transitive Experimental Use Extended Community Sub-Types" registry) | [RFC7153] | |
| 0x81 | Generic Transitive Experimental Use Extended Community Part 2 (Sub-Types are defined in the "Generic Transitive Experimental Use Extended Community Part 2 Sub-Types" Registry) | [RFC7674] | 2015-08-28 |
| 0x82 | Generic Transitive Experimental Use Extended Community Part 3 (Sub-Types are defined in the "Generic Transitive Experimental Use Extended Community Part 3 Sub-Types" Registry) | [RFC7674] | 2015-08-28 |
| 0x83-0x8f | Reserved for Experimental Use | [RFC7153] | 2012-09-28 |
| 0x90-0xbf | Unassigned |
This registry contains values of the high-order octet (the "Type"
field) of a Non-transitive Extended Community.
| Range | Registration Procedures |
|---|---|
| 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 |
| 0x48-0x7f | Unassigned | ||
| 0xc0-0xcf | Reserved for Experimental Use | [RFC7153] | 2012-09-28 |
| 0xd0-0xff | Unassigned |
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.
| 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 | [draft-sajassi-l2vpn-evpn-inter-subnet-forwarding] | 2014-09-23 |
| 0x04 | Layer 2 Extended Community | [draft-ietf-bess-evpn-vpws] | 2016-05-11 |
| 0x05 | E-TREE Extended Community | [draft-ietf-bess-evpn-etree] | 2016-05-11 |
| 0x06 | DF Election Extended Community | [draft-ietf-bess-evpn-df-election] | 2016-05-11 |
| 0x07 | I-SID Extended Community | [draft-sajassi-bess-evpn-virtual-eth-segment] | 2016-05-11 |
| 0x08 | ND Extended Community | [draft-snr-bess-evpn-na-flags] | 2017-01-10 |
| 0x09-0xff | Unassigned |
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.
| 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 | Unassigned | ||
| 0x05 | OSPF Domain Identifier | [RFC4577] | |
| 0x06-0x07 | 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 |
| 0x14-0xff | Unassigned |
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.
| 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 Extended Community | [draft-ietf-idr-link-bandwidth-00] | |
| 0x05-0x7f | Unassigned | ||
| 0x80 | Virtual-Network Identifier Extended Community | [draft-drao-bgp-l3vpn-virtual-network-overlays] | 2015-09-29 |
| 0x81-0xff | Unassigned |
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.
| 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] | |
| 0x06-0x07 | 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 |
| 0x14-0xff | Unassigned |
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.
| 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 |
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.
| 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 | Unassigned | ||
| 0x05 | OSPF Domain Identifier | [RFC4577] | |
| 0x06 | Unassigned | ||
| 0x07 | OSPF Route ID | [RFC4577] | |
| 0x08-0x09 | Unassigned | ||
| 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 |
| 0x14-0xff | Unassigned |
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.
| Range | Registration Procedures |
|---|---|
| 0x00-0xbf | First Come First Served |
| 0xc0-0xff | IETF Review |
| Sub-Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x00-0xff | Unassigned |
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.
| 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 |
| 0x08-0x0a | Unassigned | ||
| 0x0b | Color Extended Community | [RFC5512] | |
| 0x0c | Encapsulation Extended Community | [RFC5512] | |
| 0x0d | Default Gateway | [Yakov_Rekhter] | 2012-07-10 |
| 0x0e | Point-to-Point-to-Multipoint (PPMP) Label | [Rishabh_Parekh] | 2016-01-19 |
| 0x0f-0x13 | Unassigned | ||
| 0x14 | Consistent Hash Sort Order | [draft-ietf-bess-service-chaining] | 2016-05-11 |
| 0x15-0xff | Unassigned |
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.
| 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 |
| 0x02-0xff | Unassigned |
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.
| 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 |
| 0x02-0x04 | Unassigned | ||
| 0x05 | OSPF Domain Identifier (deprecated) | [RFC4577] | 2014-08-01 |
| 0x06 | Flow spec traffic-rate | [RFC5575] | |
| 0x07 | Flow spec traffic-action (Use of the "Value" field is defined in the "Traffic Action Fields" registry) | [RFC5575] | |
| 0x08 | Flow spec redirect AS-2byte format | [RFC5575][RFC7674] | |
| 0x09 | Flow spec traffic-remarking | [RFC5575] | |
| 0x0a | Layer2 Info Extended Community | [RFC4761] | |
| 0x0b | E-Tree Info | [RFC7796] | 2014-11-24 |
| 0x0c-0xff | Unassigned |
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.
| 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 redirect IPv4 format | [RFC7674] | 2015-08-28 |
| 0x09-0xff | Unassigned |
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.
| 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 redirect AS-4byte format | [RFC7674] | 2015-08-28 |
| 0x09-0xff | Unassigned |
IETF Review
Bit 0 is the most significant, or leftmost bit of the six-byte field; bit 47 is the least significant, or rightmost bit.
| Bit | Name | Reference | Date |
|---|---|---|---|
| 47 | Terminal Action | [RFC5575] | |
| 46 | Sample | [RFC5575] | |
| 0-45 | Unassigned |
First Come First Served
This registry contains values of the two high-order octets of an
IPv6-Address-Specific Extended Community.
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x0000-0x0001 | Unassigned | ||
| 0x0002 | Route Target | [RFC5701] | |
| 0x0003 | Route Origin | [RFC5701] | |
| 0x0004 | OSPFv3 Route Attributes (deprecated) | [RFC6565] | |
| 0x0005-0x000a | Unassigned | ||
| 0x000b | VRF Route Import | [RFC6515][RFC6514] | |
| 0x000c | Flow-spec Redirect to IPv6 | [draft-ietf-idr-flowspec-redirect-ip] | 2016-03-22 |
| 0x000d-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 |
| 0x0013-0x00ff | Unassigned |
First Come First Served
This registry contains values of the two high-order octets of an
IPv6-Address-Specific Extended Community.
| Type Value | Name | Reference | Date |
|---|---|---|---|
| 0x4000-0x40ff | Unassigned |
Standards Action
| Bit Flag | Name | Reference | Date |
|---|---|---|---|
| 0-47 | Unassigned |
| ID | Name | Contact URI | Last Updated |
|---|---|---|---|
| [Dhananjaya_Rao] | Dhananjaya Rao | mailto:dhrao&cisco.com | 2013-04-30 |
| [Eric_Rosen] | Eric Rosen | mailto:erosen&cisco.com | 2012-04-10 |
| [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 |