IP over Cable Data Network (ipcdn)

Wijnen, Bert (Bert | 14 Aug 2002 15:47

MIB Docotor review of: draft-ietf-ipcdn-igmp-mib-04.txt

First, I am copy-ing Bill and Dave because

- The document is basically about IGMP applicability for DOCSIS
- Bill is main author/editor for IGMPv2 (RFC2236)
- Dave is co-author of IGMP MIB (RFC2933)

It seems that Bill and Dave (or one of the other IGMP MIB authors)
should take a look at this too. 
Or maybe the IDMR WG should look at it.

Comments based on my own quick review:

1. This is mostly about IGMP applicability in DOCSIS environment.
   The applicability/required-conformance is expressed in terms
   of values in MIB objects in the IGMP MIB.
   That is sort of weird. I would rather assume that the MIB 
   (when queried) returns the values as they actually exist.

2. For exmaple (and this is just one example), sect 4.1.1.2
   regarding the igmpInterfaceQueryInterval.

        Passive Mode 
        ------------ 
        HFC-side:  n/a, read-only. The CM MUST not transmit queries 
                   upstream. Return a value of zero. 

   This seems wrong to me. If the object is implemented and accessible,
   then the agent MUST return the proper/actual value.
   I think what you want to say is that the HFC side should NOT/NEVER
   transmit IGMP Host Query packets. if so, then pls say so. It may mean

(Continue reading)

headers

Shrinivas Samant | 15 Aug 2002 19:06

Subscriber Management MIB-06

This question is related to the docsSubMgtTcpUdpFilterTable. This table
defines the filtering criteria for TCP and UDP packets.
If a CM's filter group has a list of TcpUdp filters, then how do we
determine the action if a packet matches the filter. In short, should'nt the
docsSubMgtTcpUdpFilterEntry have an action field associated with it?

Thanks,
Shrini
--------------------------------------------
Shrinivas Samant
Bell Labs AT
Lucent Technologies
Room 4L-350, Holmdel
732-949-6533 (O)
732-441-9209 (H)
732-693-7528 (M)
732-949-9330 (F)
732-949-1342 (F)
--------------------------------------------

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Wilson.Sawyer | 15 Aug 2002 19:35

Re: Subscriber Management MIB-06


If I understand your question, use docsSubMgtPktFilterAction. The tcp/udp
entry is considered an extension of docsSubMgtPktFilterEntry.

Regards,
Wilson Sawyer

                                                                                                                    
                      "Shrinivas                                                                                    
                      Samant"                  To:       <mibs <at> ops.ietf.org>, <ipcdn <at> ietf.org>                      
                      <ssamant <at> lucent.c        cc:                                                                  
                      om>                      Fax to:                                                              
                      Sent by:                 Subject:  [ipcdn] Subscriber Management MIB-06                       
                      ipcdn-admin <at> ietf.                                                                             
                      org                                                                                           

                                                                                                                    
                      08/15/02 01:06 PM                                                                             
                      Please respond to                                                                             
                      ssamant                                                                                       

This question is related to the docsSubMgtTcpUdpFilterTable. This table
defines the filtering criteria for TCP and UDP packets.
If a CM's filter group has a list of TcpUdp filters, then how do we
determine the action if a packet matches the filter. In short, should'nt
the
docsSubMgtTcpUdpFilterEntry have an action field associated with it?

Thanks,
Shrini

(Continue reading)

headers

Phil Roberts | 27 Aug 2002 20:44

Nomcom call for volunteers


The members of the IESG and IAB and the IETF chair are selected
by a nominations committee made up of volunteers from the
IETF community.  The nominations committee is now in the process
of being formed and volunteers are being accepted until Sep 6.
Please see (http://www.ietf.org/nomcom/msg19765.html)
for information if you are interested in volunteering 
to be on the nominations committee.

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