Re: [L2tpext] [Fwd: draft-ietf-l2tpext-pwe3-fr-05.txt]

Comments in line

Carlos Pignataro wrote:

>Mark L.,
>
>Please find my comments inline.
>
>Circa 5/26/2005 8:27 AM, W. Mark Townsley said the following:
>  
>
>>Forwarding to l2tpext for comments there. Thanks for the review, Mark.
>>
>>- Mark
>>
>>-------- Original Message --------
>>Subject: draft-ietf-l2tpext-pwe3-fr-05.txt
>>Date: Thu, 26 May 2005 00:50:05 +0100
>>From: Mark Lewis <mark@mjlnet.com>
>>Reply-To: mark@mjlnet.com
>>To: mark@townsley.net
>>CC: iesg@ietf.org
>>
>>Hi Mark,
>>
>>Here's a review of draft-ietf-l2tpext-pwe3-fr. Apologies if
>>some of my comments are off-the-mark as I unfortunately had
>>to review it in haste.
>>
>>It seems like another very good draft to me. Just one or two
>>relatively minor comments:
>>
>>
>>    
>>
>>2.
>>
>>In section 3, might it be worth stating that, ‘LCCEs MAY
>>[must?] participate in FR Local Management Interface [LMI].
>>An LCCE MAY transmit an SLI message indicating a change in
>>the status of the local PVC as the result of the reception of
>>an LMI message. Similarly, an LCCE receiving an SLI
>>indicating a change in status of a FR PVC (on a remote LCCE)
>>MAY send a corresponding LMI message to its connected CE
>>device indicating this status change.’
>>    
>>
>
>I personally think that the ACTIVE/INACTIVE states and associated PVC
>transitions cover the more generic case, and should be generally used.
>However, a small mention reference of FR_LMI <-> FR_PW high level
>interaction could help; OTOH, trying to add too many details could end
>up causing more confusing when coupled with DCE/DTE or NNI LMIs. So
>maybe a single paragraph in Section 3. would work. I also unsure if
>LCCEs participating in LMI is a MUST or more likely a MAY.
>
I think this should be a MAY.  The PE and CE may disable LMI on the 
port.  Of
course, the granularity of PVC state is restricted to the state of the 
entire port to which the AC's
are attached.

Scott Wainner

>
>Thanks !!
>
>--Carlos.
>
>  
>
>>Anyway, hope that helps,
>>
>>Mark
>>
>>
>>
>>
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