Re: [netext] #5: Logical interface support: Multicast traffic

Sri Gundavelli <sgundave@cisco.com> Tue, 15 March 2011 01:57 UTC

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Date: Mon, 14 Mar 2011 19:00:21 -0800
From: Sri Gundavelli <sgundave@cisco.com>
To: Julien Laganier <julien.ietf@gmail.com>
Message-ID: <C9A41645.13626%sgundave@cisco.com>
Thread-Topic: [netext] #5: Logical interface support: Multicast traffic
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Cc: netext@ietf.org
Subject: Re: [netext] #5: Logical interface support: Multicast traffic
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If you can define the destination scope, link-specific non-link-specific ?
We have covered link-specific cases in the ND context (which can be
generalized), non-link specific ? May be if you can reflect the issue that
you are thinking, that will help resolve the issue.



Sri






On 3/14/11 5:52 PM, "Julien Laganier" <julien.ietf@gmail.com> wrote:

> The case I have in mind is: IP stack wants to send a packet to
> multicast address M;  How is it transmitted?
> 
> --julien
> 
> 2011/3/14 Sri Gundavelli <sgundave@cisco.com>:
>> Julien:
>> 
>> Agree. I did put that note below that we should add any additional cases.
>> The text around handling link-specific multicast traffic with different
>> destination scopes covers most of the common multicast cases, ALL-NODES,
>> SOLICTED-NODE... We can add any missing cases and resolve it. Any specific
>> case you are thinking about ? We can generalize the case and make it apply
>> for ND and non-ND cases.
>> 
>> 
>> 
>> Regards
>> Sri
>> 
>> 
>> 
>> 
>> On 3/14/11 5:25 PM, "Julien Laganier" <julien.ietf@gmail.com> wrote:
>> 
>>> Sri -
>>> 
>>> Multicast traffic isn' t limited to ND, thus I don' t think it is
>>> appropriate to consider this issue as closed because you crafter some
>>> text on ND considerations elsewhere in this document. Please clarify
>>> how tranmission on multicast traffic is handled over a logical
>>> interface.
>>> 
>>> --julien
>>> 
>>> On Mon, Mar 14, 2011 at 4:27 PM, Sri Gundavelli <sgundave@cisco.com> wrote:
>>>>> #5: Logical interface support: Multicast traffic
>>>> 
>>>>  Clarify how the logical
>>>>> interface deals with multicast traffic.
>>>> 
>>>> 
>>>> We believe we have resolve this issue, this is captured in the ND
>>>> interactions section. The general considerations around dealing with
>>>> link-specific multicast traffic, all-nodes, solicited node multicast
>>>> traffic, or others have common considerations. It is possible we might be
>>>> missing few cases, we can add that in, but the base handling of things at
>>>> the logical interface level, or sub-interface level is captured. Comments
>>>> welcome.
>>>> 
>>>> 
>>>> Sri
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> On 3/3/11 9:19 AM, "netext issue tracker" <trac+netext@trac.tools.ietf.org>
>>>> wrote:
>>>> 
>>>>> #5: Logical interface support: Multicast traffic
>>>> 
>>>>  Clarify how the logical
>>>>> interface deals with multicast traffic.
>>>> 
>>>> --
>>>>> 
>>>> 
---------------------------------------+----------------------------------->>>>
-
>>>> 
>>>>> Reporter:  basavaraj.patil@Š          |       Owner:  telemaco.melia@Š
>>>>> 
>>>>     Type:  defect                     |      Status:  new
>>>>> 
>>>>  Priority:  critical                   |   Milestone:
>>>>> 
>>>> Component:  logical-interface-support  |     Version:
>>>>> 
>>>>  Severity:  -                          |    Keywords:
>>>>> 
>>>> 
---------------------------------------+----------------------------------->>>>
-
>>>> 
>>>>> 
>>>> Ticket URL: <http://trac.tools.ietf.org/wg/netext/trac/ticket/5>
>>>> netext
>>>>> <http://tools.ietf.org/netext/>
>>>> 
>>>> _____________________________________________
>>>>> __
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>> 
>>