[c-nsp] C6509 Fabric Switch Capacity

Azher Mughal azher at hep.caltech.edu
Wed Jan 13 10:10:09 EST 2016

For WS 6704 (with DFC3B), I was able to go close to 9Gbps per port
across the bus when using Iperf and jumbo frames. Single port on each of
the bus gives you line rate of 9.9Gbps.


On 1/13/2016 7:01 AM, Adam Vitkovsky wrote:
>> Chris Knipe
>> Sent: Wednesday, January 13, 2016 2:31 PM
>> On Wed, Jan 13, 2016 at 4:28 PM, Simon Lockhart <simon at slimey.org>
>> wrote:
>>> On Wed Jan 13, 2016 at 04:25:48PM +0200, Chris Knipe wrote:
>>>> Whilst I can understand over subscription (and subsequent drops) on
>>>> the WS-X6708, would the same hold true for the WS-X7604?
>>> The WS-X6704 has woefully underpowered ASICs on it. It has the dual
>>> 20G bus connections, with two 10G ports on each, so on paper it's not
>>> oversubscribed.
>>> However, you'll be lucky to get more than about 25Gbps aggregate
>>> throughput through the blade.
>> Ta!  Nexus it is then I suppose :-(
> Of course Nexus -it has VOQs so no head of the line blocking on those boxes.
> adam
>         Adam Vitkovsky
>         IP Engineer
> T:      0333 006 5936
> E:      Adam.Vitkovsky at gamma.co.uk
> W:      www.gamma.co.uk
> This is an email from Gamma Telecom Ltd, trading as “Gamma”. The contents of this email are confidential to the ordinary user of the email address to which it was addressed. This email is not intended to create any legal relationship. No one else may place any reliance upon it, or copy or forward all or any of it in any form (unless otherwise notified). If you receive this email in error, please accept our apologies, we would be obliged if you would telephone our postmaster on +44 (0) 808 178 9652 or email postmaster at gamma.co.uk
> Gamma Telecom Limited, a company incorporated in England and Wales, with limited liability, with registered number 04340834, and whose registered office is at 5 Fleet Place London EC4M 7RD and whose principal place of business is at Kings House, Kings Road West, Newbury, Berkshire, RG14 5BY.
> _______________________________________________
> cisco-nsp mailing list  cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/

More information about the cisco-nsp mailing list