Subject: Re: 答复: [PWE3] for VPWS, Can PE learn mac from AC side?

From: Stewart Bryant <[email-masked]>
Date: Thu, 12 Jan 2006 15:38:56 +0000

Fengger wrote:

>But for VPWS, can there be such case that the PW is vlan based and the vlan
>includes more than one customer-facing ports on the PE? If there is, then
>the learning and bridging must be done on the AC side of the PE.
>
>  
>
In which case the NSP contains a bridging funtion.

The NSP is a mechanism that allows functionality to
be inserted between the AC and the PW.

The functionality of the NSP is explicitly outside the
scope of PWE3.

- Stewart

>-Fengger
>
>-----邮件原件-----
>发件人: Ali Sajassi (sajassi) [mailto:[email-masked]] 
>发送时间: 2006年1月11日 4:31
>收件人: Stewart Bryant (stbryant); Fengger
>抄送: [email-masked]
>主题: RE: [PWE3] for VPWS, Can PE learn mac from AC side?
>
>
>VPWS service is based on P2P VCs and there is no need for MAC address
>learning by PEs for a P2P operation (e.g., MAC address learning is
>needed for multipoint service such as VPLS).
>
>-Ali 
>
>  
>
>>-----Original Message-----
>>From: [email-masked] [mailto:[email-masked]] On 
>>Behalf Of Stewart Bryant (stbryant)
>>Sent: Tuesday, January 10, 2006 5:25 AM
>>To: Fengger
>>Cc: [email-masked]
>>Subject: Re: [PWE3] for VPWS, Can PE learn mac from AC side?
>>
>>Fengger wrote:
>>
>>    
>>
>>>All,
>>>
>>>For VPWS, the draft specifies that PE doesn't need to learn 
>>>      
>>>
>>mac from 
>>    
>>
>>>PW. But it doesn't specify if the PE needs to learn mac from AC.
>>>
>>>So my question is, MUST the PE support the capability to learn mac 
>>>from AC? Or it's optional? Or it doesn't need to do so?
>>>
>>>Thanks and BR
>>>
>>>Fengger
>>>
>>>      
>>>
>>Fengger
>>
>>As far a PWE3 is concerned there is no need to learn 
>>anything, we are just a transport.
>>
>>However this question should be addressed to the L2VPN WG for 
>>the authorative answer on what VPWS requires.
>>
>>- Stewart
>>
>>    
>>
>>>-------------------------------------------------------------
>>>      
>>>
>>----------
>>    
>>
>>>-
>>>
>>>_______________________________________________
>>>pwe3 mailing list
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>>> 
>>>
>>>      
>>>
>>_______________________________________________
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>>    
>>
>
>
>  
>

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