[c-nsp] Flow tools

[Mack McBride]

The 6708 non-upgradability was a decision by Cisco.
They could have created an appropriate DFC but chose not to do so.
The DFC is replaceable but most people don't since the only options are
XL/non-XL and it seems most production was XL.
The fact that the DFC is not compatible with the other 67xx series seems to be the issue.

The decision not to support a number of common cards with DFCs was
bad on Cisco's part.

The 6516A doesn't work
The 6708 doesn't work

They also dropped a number of bus cards even though the 61xx series cards are supported.
This would tend to indicate it isn't really a bus issue and they could have supported more bus cards.
The lack of support for CEF256 cards is more understandable.

Having said all of that, if you need robust netflow go to an ASR1000 or ASR9000.

Mack

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Phil Mayers
Sent: Wednesday, January 18, 2012 7:35 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Flow tools

On 18/01/12 14:07, Nick Hilliard wrote:
>
> Gert, hardware upgrades need to happen; otherwise we would all be 
> stuck using bus interfaces designed in the early 1990s.  Nobody likes 
> paying for upgrades, but Cisco's 67xx line cards have been properly 
> supported since
> 2003 - 9 years ago.  If you bought them then on a 4Y depreciation basis,
> you would now have had 5 years of free operation.   In a fast-moving world
> like networking, this really is unusually stable and a very good 
> investment.  Moreover, they still have good resale value.

[spin]

First: 6708. One-off mistake (DFC can't be upgraded) but if you bought into this linecard, I imagine you'd be irate...

[snip]