Re: [Astlinux-users] VLAN's and 802.1p priority

[Lonnie A. <li...@lo...>]

On May 17, 2007, at 11:07 PM, Kevin Kiely wrote:

> Yes, you are correct.  I had the need for a cheap layer2 switch  
> used for
> testing that was fanless with 10/100/1000 speeds and quiet (no  
> fans) as the
> fans are generally quite loud especially in managed switches.  Also  
> my use
> was for a desktop environment and the time there wasn't much  
> selection.
> Here is one that fits the bill if you need 802.1P which can be very
> important for QOS.
>
> http://www.netgear.com/Products/Switches/DesktopSwitches/GS116.aspx
>
>
> -----Original Message-----
> From: Kristian Kielhofner [mailto:kri...@gm...]
> Sent: Thursday, May 17, 2007 11:51 PM
> To: AstLinux Users Mailing List
> Subject: Re: [Astlinux-users] VLAN's and 802.1p priority
>
> On 5/17/07, Kevin Kiely <Ast...@gt...> wrote:
>>
>>
>>
>>
>> Thought I would jump in here on the 802.1P.
>>
>>
>>
>> 802.1P is priority queuing at the MAC layer.  IEEE standard 802.1p  
>> is a
> part
>> of the IEEE standard 802.1D. 802.1Q is the IEEE standard for vlans  
>> and is
>> part of the IEEE standard 802.1D. There are many switches with 802.1P
>> without 802.1Q VLAN's.
>>
>>
>>
>> Kevin Kiely
>>
>
> Kevin,
>
>   Thanks for the point to 802.1D!
>
>   However, most devices that I have encountered in the past several
> years that support 802.1p also support 802.1Q.  Phones, switches,
> routers, etc.
>
>
> -- 
> Kristian Kielhofner

Guys,

According to the HP Procurve tech folks, the Procurve 1700 and 1800  
series support 802.1p with 802.1Q tagging, but does not support  
801.1p using the upper IPv4 ToS bits.

Could this be any more confusing?

Lonnie