
PIM-HELLO-OPTIONS 

(last updated 2007-10-16)

Registries included below:
- PIM-Hello Options 


Registry Name: PIM-Hello Options 
Reference: [RFC4601]

Note:
The Protocol Independent Multicast routing protocol (PIM)
specified in [RFC4601] uses an extensible Hello packet
format.  Hello packet options may be assigned First Come
First Serve, as described in [RFC2434].  First Come First
Serve assignments expire in one year; permanent assignments
require a specification ("Specification Required" as
described in [RFC2434]).

The current assigned values for these parameters are
listed here.

Registry:
Value        Length     Name                                       References
-----------  ---------  -----------------------------------------  ----------
1            2          Hold Time                                  [RFC4601] 
2            4          LAN Prune Delay                            [RFC3973]
3-16         -          Reserved                                   [RFC4601]
17           16         Label Parameters (renew 8/01)              [Farinacci]
18           -          Deprecated
19           4          DR Priority (renew 8/01)                   [Fenner]
20           4          Generation ID                              [RFC3973]
21           4          State-Refresh                              [RFC3973] 
22           0          Bidirectional Capable                      [RFC5015]
23           1          VCI Capability (renew 8/01)                [Farinacci]
24           variable   Address List                               [RFC4601]
25           variable   Neighbor List TLV (renew 5/07)             [Zinin]
26-65000     -          Unassigned         
65001-65535  -          Reserved (Private Use)


References
----------
[RFC2434]  Alvestrand, H. and T. Narten, "Guidelines for Writing an
           IANA Considerations Section in RFCs", RFC 2434, October 1998.

[RFC3973]  A. Adams, J. Nicholas, and W. Siadak, "Protocol Independent 
           Multicast - Dense Mode (PIM-DM): Protocol Specification 
           (Revised)", RFC 3973, January 2005.

[RFC4601]  B. Fenner, M. Handley, H. Holbrook and I. Kouvelas, "Protocol 
           Independent Multicast - Sparse Mode (PIM-SM): Protocol 
           Specification (Revised)", RFC 4601, August 2006.

[RFC5015]  M. Handley, I. Kouvelas, T. Speakman, L. Vicisano, "Bi-directional 
           Protocol Independent Multicast (BIDIR-PIM)", RFC 5015, 
           October 2007.


People
------
[Farinacci] Dino Farinacci, <dino&procket.com>, August 2000.

[Fenner] Bill Fenner, <fenner&research.att.com>, August 2000.

[Kouvelas] Isidor Kouvelas, <kouvelas&cisco.com>, August 2000.

[Zinin] Alex Zinin, <zinin&psg.com>, 01 May 2006.

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