[c-nsp] L3 to access layer

James Slepicka cisco-nsp at slepicka.net
Fri Mar 21 12:03:26 EDT 2008


 >>(eww html mail?)
grow up.

 >>"teaming" which lets you set active/standby port selection
which requires that both ports be in the same L2 domain.

Adrian Chadd wrote:
> (eww html mail?)
>
> Stuff like the intel cards are shipped with "teaming" which lets you set
> active/standby port selection (as well as classical etherchannel and
> STP type protocols.)
>
> This means the standby port won't be used for any outgoing traffic, thus
> the switch won't learn the shared MAC on that card. It'll "see" unicast
> flood, broadcast and perhaps multicast crap on the standby NIC but the
> card will be throwing it all away.
>
> Its not "true" redundancy by any classical stretch of the imagination but
> it works fine in situations where your redundancy requirement is dead
> chassis detection.
>
>
>
>
> Adrian
>
> On Fri, Mar 21, 2008, James Slepicka wrote:
>   
>> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
>> <html>
>> <head>
>>   <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
>> </head>
>> <body bgcolor="#ffffff" text="#000000">
>> enlighten me<br>
>> <br>
>> Adrian Chadd wrote:
>> <blockquote cite="mid:20080321155053.GK20600 at skywalker.creative.net.au"
>>  type="cite">
>>   <pre wrap="">On Fri, Mar 21, 2008, James Slepicka wrote:
>>   </pre>
>>   <blockquote type="cite">
>>     <pre wrap="">Maybe only a consideration in the data center, but you can't do NIC 
>> teaming across multiple switches for fault tolerance.
>>     </pre>
>>   </blockquote>
>>   <pre wrap=""><!---->
>> Sure you can.
>>
>> (Oh, you want me to tell you how?)
>>
>>
>>
>>
>>
>> Adrian
>>
>>   </pre>
>> </blockquote>
>> </body>
>> </html>
>>     


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