2023-10-16 Stig Venaas, Jeffrey (Zhaohui) Zhang First Come First Served (expire in 1 year); Specification Required for Permanent assignments 0 Reserved 1 2 Hold Time 2 4 LAN Prune Delay 3-16 - Reserved 17 16 Label Parameters (renew 8/01) 18 - Deprecated 19 4 DR Priority (renew 8/01) 20 4 Generation ID 21 4 State-Refresh 22 0 Bidirectional Capable 23 1 VCI Capability (renew 8/01) 24 variable Address List 25 variable Neighbor List TLV (renew 5/07) 26 0 Join Attribute 27 variable PIM-over-TCP-Capable 28 variable PIM-over-SCTP-Capable 29 variable Pop-Count 30 0 PIM MT-ID 31 8 Interface ID 32 0 PIM ECMP Redirect Hello Option 33 2 vPC Peer ID (renew 6/14) 34 4 DR Load-Balancing Capability (DRLB-Cap) 35 variable DR Load-Balancing List (DRLB-List) 36 0 Hierarchical Join/Prune Attribute 37 variable DR Address Option 38 variable BDR Address Option 39 4 BFD Discriminator Option 40 0 Packed Assert Capability 41-65000 - Unassigned 65001-65535 - Reserved (Private Use) IETF Review 0 RPF Vector TLV 1 MVPN Join Attribute 2 MT-ID Join Attribute 3 Pop-Count 4 Explicit RPF Vector 5 Transport Attribute 6 Receiver RLOC Attribute 7-63 Unassigned IESG Approval 0-127 Same meaning as Address Family Numbers. See http://www.iana.org/assignments/address-family-numbers 128-250 Unassigned 251-255 Reserved for Private Use IETF Review 0 native encoding for the address family 1 native encoding for the address family, but with one or more PIM Join Attributes present 2-255 Unassigned IETF Review 0 Hello 0-7 Unassigned 1 Register 0-7 Unassigned 2 Register Stop 0 Packing Capability 2 Register Stop 1-7 Unassigned 3 Join/Prune 0-7 Unassigned 4 Bootstrap 0-6 Unassigned 4 Bootstrap 7 No-Forward 5 Assert 0 Packed 5 Assert 1 Aggregated 5 Assert 2-7 Unassigned 6 Graft 0-7 Unassigned 7 Graft-Ack 0-7 Unassigned 8 Candidate RP Advertisement 0-7 Unassigned 9 State Refresh 0-7 Unassigned 10 DF Election 0-3 Unassigned 10 DF Election 4-7 Subtype 11 ECMP Redirect 0-7 Unassigned 12 PIM Flooding Mechanism 0-6 Unassigned 12 PIM Flooding Mechanism 7 No-Forward 13.0 PIM Packed Null-Register 0-3 Unassigned 13.1 PIM Packed Register-Stop 0-3 Unassigned 13.2-15.14 Unassigned 0-3 Unassigned 15.15 Reserved 0-3 Reserved RFC Required 0 Reserved 1 Join/Prune 2 Keep-alive 3-65531 Unassigned 65532-65535 Experimental RFC Required 0 Reserved 1 PIM IPv4 Join/Prune 2 PIM IPv6 Join/Prune 3-32763 Unassigned Critical Options 32764-32767 Experimental 32768-65531 Unassigned Non-Critical Options 65532-65535 Experimental IETF Review 0 multicast 1 unicast 2-255 Unassigned IETF Review 0 Reserved 1 Source Group Holdtime 2-32767 Unassigned IETF Review 0 Modulo 1-255 Unassigned Alex Zinin mailto:zinin&psg.com 2006-05-01 Dino Farinacci mailto:dino&procket.com 2000-08 Siddanagouda Khot mailto:sikhot&cisco.com 2013-06-06