Disclaimer
The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose. Information provided is for informational purposes only and should not be construed as rendering professional advice of any kind. Usage of this posting's information is solely at reader's own risk.
Liability Disclaimer
In no event shall Author be liable for any damages whatsoever (including, without limitation, damages for loss of use, data or profit) arising out of the use or inability to use the posting's information even if Author has been advised of the possibility of such damage.
Posting
The 67xx cards are LAN oriented cards, meaning they generally are weak on QoS features. I haven't worked with the 7600-ES cards but I believe their QoS features are more featured. If you expect managing congestion is important, the ES+ would be a better choice (although probably more expensive).
