sup720

Unanswered Question
Jun 23rd, 2008

Dear all

I want to use sup720 with maximum throughtput, but when I looked into SUP720 datasheet,it was "DFC required"

my question is that how should I use DFC.

I want to select sup720-3bxl to achive

(400mpps)

regards

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n.nandrekar Tue, 06/24/2008 - 00:09

hi!

The "DFC required" condition means that the linecard that you are using for the traffic should be equipped with a DFC. A DFC is a distributed forwarding engine which sits on the linecards and maintains tables (like mac-table, CEF etc) on the Linecard so that the decision can be made locally for the traffic and doesnot have to be sent to the sup.


http://www.cisco.com/en/US/products/hw/switches/ps708/products_qanda_item09186a00809a7673.shtml


Above is a link for more info.

So the requirement states that a DFC equipped linecards are required to achieve that performance level.


Regards,

Niranjan

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