RFC 4601, "Protocol Independent Multicast - Sparse Mode (PIM-SM): Protocol Specification (Revised)", August 2006

Note: This RFC has been obsoleted by RFC 7761

Note: This RFC has been updated by RFC 5059, RFC 5796, RFC 6226

Errata ID: 1177
Status: Rejected
Type: Editorial
Publication Format(s) : TEXT
Reported By: Maren Peasley
Date Reported: 2007-12-21
Rejected by: Adrian Farrel
Date Rejected: 2009-08-26

Section 4.6.2 says:

+---------------------------------------------------------------------+
|                    In I Am Assert Loser (L) State                   |
+-------------+-------------+-------------+-------------+-------------+
|Receive      |Receive      |Receive      |Assert Timer |Current      |
|Preferred    |Acceptable   |Inferior     |Expires      |Winner's     |
|Assert with  |Assert from  |Assert or    |             |GenID        |
|RPTbit set   |Current      |Assert       |             |Changes or   |
|             |Winner with  |Cancel from  |             |NLT Expires  |
|             |RPTbit set   |Current      |             |             |
|             |             |Winner       |             |             |
+-------------+-------------+-------------+-------------+-------------+
|-> L state   |-> L state   |-> NI state  |-> NI state  |-> NI state  |
|[Actions A2] |[Actions A2] |[Actions A5] |[Actions A5] |[Actions A5] |
+-------------+-------------+-------------+-------------+-------------+

+----------------------------------------------------------------------+
|                    In I Am Assert Loser (L) State                    |
+----------------+----------------+-----------------+------------------+
| AssTrDes       | my_metric ->   |  RPF_interface  |  Receive         |
| (*,G,I) ->     | better than    |  (RP(G)) stops  |  Join(*,G) or    |
| FALSE          | Winner's       |  being I        |  Join            |
|                | metric         |                 |  (*,*,RP(G)) on  |
|                |                |                 |  Interface I     |
+----------------+----------------+-----------------+------------------+
| -> NI state    | -> NI state    |  -> NI state    |  -> NI State     |
| [Actions A5]   | [Actions A5]   |  [Actions A5]   |  [Actions A5]    |
+----------------+----------------+-----------------+------------------+

It should say:

See notes.

Notes:

The tables at the top of page 93 do not indicate what the rows are as opposed to the columns. It appears that the first rows consist of events and the second rows consist of actions to take upon receiving those events while in the “I Am Assert Loser” state.
--VERIFIER NOTES--
This is perfectly easy to parse having an understanding of the states and events for the protocol.

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