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

[Kristian K. <kri...@gm...>]

On 5/17/07, Lonnie Abelbeck <li...@lo...> wrote:
>
> Kristian,
>
> You know immensely more about this stuff than I do, but it is my
> understanding that 802.1p requires 802.1Q (VLAN) tagging.
>
> http://en.wikipedia.org/wiki/IEEE_802.1Q
>
> Lonnie

Lonnie,

  802.1p is expressed in an 802.1Q header, but you don't need to
specify a vlan and it is generally considered that most devices that
support one support the other.  However, you can define one and not
the other:

http://blogs.msdn.com/wndp/archive/2006/01/18/514533.aspx
http://www.javvin.com/protocol8021P.html
http://www.xilinx.com/esp/wired/optical/net_tech/ieee8021p.htm


-- 
Kristian Kielhofner