[c-nsp] catalyst 3550 and external traffic shaping box (transparent bridge)

[Blake Willis]

On Fri, 3 Mar 2006, Tomas Hodan wrote:

> I need to do traffic shaping in setup where I have only one 3550 box, I 
> would like to use external freebsd box running as transparent bridge, and 
> be able to do shaping between different vlans of 3550.

Hi Thomas,

 	I dealt with this issue in a design a few years ago.  The solution 
was to use two switches (one "public" and one "private").  Vlans or no 
vlans, the box won't L2 switch a frame with the same L2 header twice, which 
is a Good Thing.

  -Blake

---
  Blake Willis
  Network Engineer
  blake at 2112 dot net