Posted on June 6, 2019 6:21 pm
 |  Asked by vij aana
 |  61 views
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Hi,

I would like to know if a Arista switch uses DMA (Direct memory access) to copy a control packet (e.g OSPF) or a packet for which there is no entry in FIB to CPU? If not how does it happen?

I’m not familiar with the internal architecture/ packet path (ASIC cpu), so any good reference docs on the same would be helpful too.

Thank you

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