What is the difference between dfc and cfc

Did you mean:. All Community This category This board. Soon Kwan Kwon. But, after reading the datasheet or related forum, I wondered why CFC was existed fundamentally. CFC is a centralized forwarding card. Regards, Solved! Labels: Labels: Other Routing. I have this problem too. All forum topics Previous Topic Next Topic.

Accepted Solutions. Joseph W. Hall of Fame Expert. In response to Soon Kwan Kwon. Masoud Pourshabanian. In response to leshkamal. Thank you, But, I already read it. Please contact me. In response to Joseph W. Thank you expert! Then, I have a question. Can you explain it more easily.. In response to Masoud Pourshabanian. Excellent explanation!! I am glad it was helpful. Can I ask you last one question? Thanks to you guys' excellent comments, I can understand more easily than past.

Last question! Hello, I am not sure if I understood your question correctly. Let me know If I understood you wrong.

Thank you Masoud! I mentioned by my fault, I should have mentioned you ! Disclaimer The Author of this posting offers the information contained within this posting without consideration and with the reader's understanding that there's no implied or expressed suitability or fitness for any purpose.

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Posting "per system" means all the non-DFC line cards "share" the supervisor's forwarding capacity. Merry Christmas!! Thank your for the great answer! Delay of using central PFC is not comparable with other delays so if you have low traffic in your network, this delay is negligible; however, if you have high traffic, you should be concern It depends what kind of traffic and how much traffic you have in your network. If it is indeed mixed in practice, you need to restart the engine to recognize the DFC card.

Equipped with DFC, it can make good use of the large data capacity of 67 modules. Such as , the full line speed is 60Mpps, which is twice the processing capacity of CFC.

The forwarding performance of CFC is far from satisfactory. The equipped with a DFC card can also improve the forwarding performance of the entire card by another 48Mpps, and only provides this slot. Of course, the 65 series modules equipped with DFC cards have also been greatly improved. Varga Csaba. Usman Ali. Ed Calhe.

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