[c-nsp] Is the 6704 really as terrible as everyone says?

[Drew Weaver]

No,

I was using Extreme back then, hahaa =)

-Drew


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Jared Mauch
Sent: Thursday, December 02, 2010 12:51 PM
To: Nick Hilliard
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Is the 6704 really as terrible as everyone says?

You must not have actually had any first gen cards in 6500s. Those were the 1 port 10g that had 8g fabric link. 

Jared Mauch

On Dec 2, 2010, at 11:02 AM, Nick Hilliard <nick at foobar.org> wrote:

> On 02/12/2010 15:41, Drew Weaver wrote:
>> I've read several posts on here that lead me to believe that the
>> WS-6704-10G is essentially the worst linecard ever produced.
>> 
>> The problem is, I only need 2 ports of 10G and just to replace 2x1Gbps
>> uplinks that almost never get anywhere near their line rate capacity.
> 
> If that's what you need, it will work perfectly.  Get a unit off ebay with a couple of LR XENPAKs (don't pay too much for these - they are cheap on the aftermarket).
> 
>> If they are really, really, awful.
> 
> They aren't really, really awful - they're just first generation 10G cards and are showing their age at this stage (they were first fabricated in 2002).  They have a number of known limitations, but if these limitations aren't relevant to you, then they're fine.  For < 1G traffic, you won't have any problems at all.
> 
> If you're having packet loss due to shallow buffers on any other line cards, make sure you have "mls qos" disabled.  By default, this will carve up the buffers on all line cards in a way that would make you weep.
> 
> Nick
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