[c-nsp] Speed problem and router seems to sluggish

[Phil Mayers]

On 06/28/2010 08:10 AM, Nick Hilliard wrote:
> On 28 Jun 2010, at 03:14, Rudy Setiawan<rudy at rudal.com>  wrote:
>
>> I'm hoping to get in touch with the vendor on Monday and try to get
>> a DFC3BXL sent over.
>
> Do you actually need DFCs on this box?  A pfc3bxl will happily switch
> up to 16m pps before adding a dfc makes a difference. And if your
> traffic rates are such that you've only just noticed that software
> switching no longer works, it sounds unlikely that using dfcs will do
> anything at all for you - other than cost money.
>
> Unless you're shifting many millions of pps on this box, I'd just
> take out the dfcs completely.

I don't know what the OPs needs are, but for the archives it's worth 
emphasising that DFCs do more than just speed the box up. One example: 
many LAN cards have very different QoS queueing options with a CFC 
versus a DFC. In addition we've hit IOS bugs in the past which only show 
on CFC cards.