2005-08-15 2013-04-30 0x90-0xbf Standards Action (Early Allocation available per RFC 4020) 0x00-0x3f First Come First Served 0x04 QoS Marking 0x05 CoS Capability 0xd0-0xff Standards Action (Early Allocation available per RFC 4020) 0x40-0x7f First Come First Served 0x00 Transitive Two-Octet AS Specific Extended Communities (see Two-octet AS Specific Extended Community registry) 0x40 Non-Transitive Two-Octet AS Specific Extended Communities (see Two-octet AS Specific Extended Community registry) 0x44 QoS Marking 0x0000-0x3fff First Come First Served 0x9000-0xbfff Standards Action (Early Allocation available per RFC 4020) 0x0600 MAC Mobility 0x0601 ESI MPLS Label 0x0602 ES Import 0x0800 Flow spec redirect/mirror to IP next-hop 0xd000-0xffff Standards Action (Early Allocation available per RFC 4020) 0x4000-0x7fff First Come First Served 0x80-0x8f and 0xc0-0xcf Regular Types 0x8000-0x8fff and 0xc000-0xcfff Extended Types 0x8006 Flow spec traffic-rate 0x8007 Flow spec traffic-action 0x8008 Flow spec redirect 0x8009 Flow spec traffic-remarking 0x800a Layer2 Info Extended Community 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. 47 Terminal Action 46 Sample 0-45 Unassigned 0x0000-0x00ff Transitive communities First Come First Served 0x4000-0x40ff Non-transitive communities First Come First Served 0x0002 two-octet AS specific Route Target 0x0003 two-octet AS specific Route Origin 0x0005 OSPF Domain Identifier 0x0008 BGP Data Collection 0x0009 Source AS 0x000a Two-octet AS specific Layer 2 VPN Identifier 0x0010 Cisco VPN-Distinguisher 0x4004 Link Bandwidth Extended Community 0x0200-0x02ff Transitive communities First Come First Served 0x4200-0x42ff Non-transitive communities First Come First Served 0x0202 four-octet AS specific Route Target 0x0203 four-octet AS specific Route Origin 0x0204 transitive generic four-octet AS specific 0x0205 OSPF Domain Identifier 0x0209 Source AS 0x0210 Cisco VPN-Distinguisher 0x4204 non-transitive generic four-octet AS specific 0x0100-0x01ff Transitive communities First Come First Served 0x4100-0x41ff non-transitive communities First Come First Served 0x0102 IPv4 address specific Route Target 0x0103 IPv4 address specific Route Origin 0x0105 OSPF Domain Identifier 0x0107 OSPF Router ID 0x010a Layer 2 VPN Identifier 0x010b VRF Route Import 0x0110 Cisco VPN-Distinguisher 0x0000-0x00ff transitive communities First Come First Served 0x4000-0x40ff non-transitive communities First Come First Served 0x0002 IPv6 address specific Route Target 0x0003 IPv6 address specific Route Origin 0x0004 OSPFv3 Route Attributes (DEPRECATED) 0x000b VRF Route Import 0x0010 Cisco VPN-Distinguisher 0x0011 UUID-based Route Target 0x0300-0x03ff Transitive communities First Come First Served 0x4300-0x43ff Non-transitive communities First Come First Served 0x0300 Unassigned deprecated 0x0301 Unassigned deprecated 0x0302 Unassigned deprecated 0x0306 OSPF Route Type 0x030b Color Extended Community 0x030c Encapsulation Extended Community 0x030d Default Gateway 0x4300 BGP Origin Validation State Extended Community Dhananjaya Rao mailto:dhrao&cisco.com 2013-04-30 Eric Rosen mailto:erosen&cisco.com 2012-04-10 Thomas Martin Knoll mailto:knoll&etit.tu-chemnitz.de 2009-05-18 Yakov Rekhter mailto:yakov&juniper.net 2012-07-10