[c-nsp] Redundant SUP32-10G

Konstantin Barinov sbr at infonet.ee
Thu Mar 5 09:17:16 EST 2009


Thank you for answers! Subject is now clear.

--
Konstantin Barinov



On 05-Mar-09 16:00, Håvard Nyhus wrote:
>> Please help me to understand, if there are redundant SUP32-10GE's
>> in chassis, is it possible to use all 4 10G ports at wire speed
>> simultaneously? What type of interconnection do supervisors use
>> between them?
>
>
> All four ports can be used at the same time - however, they will be
> oversubscribed 2:1 on each supervisor. There is also a limit at 15mpps
> ipv4 traffic (64-byte packets).
>
> The SUP32 connects to the classic bus - that is the shared 32gbps bus,
> which is also used between the two supervisors. This means that a
> SUP32-system cannot forward more than 32gbps in total, no matter which
> linecards you use.
>
>


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