[c-nsp] C6509 Fabric Switch Capacity

[Azher Mughal]

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.

-Azher

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
>
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