How to let an author of a book of Cisco or video know that they made a mistake?

I would like to know if anyone knows how to politely approach the author of a Cisco supported the publication on an erroneous interpretation of a topic.

I'll give you two examples; do not attempt to disrespect the authors, but to help anyone who may be prepare for the CCNP ROUTE exam. (I certainly know more than the great authors.)

(1)  Rohit Pardasani erred when he explained what the command "ip multicast of PNDH card { |}". dynamic}' is for CCNP routing and switching ROAD 300-101 Exam Prep video. Other documents that I found and experience true 'laboratory' goes against his understanding or explanation of the command. It's still a rough cut, so it can be changed in time. It's a great resource otherwise.

(2) Kevin Wallace also erred in CCNP routing and switching ROAD 300 - 101 full video course made a mistake in explaining how to calculate the bandwidth * delay product. What I found explains that the delay IS round-trip (RTT), including RFC 1072 time.

If I'm wrong, please correct me. Also, I'm doing this because I'm sick and tired of questions wrong or ambiguous in various Cisco exams.

Thank you

Daniel

Contact the editors.  If it's by Cisco Press, you can attach them here:

http://www.CiscoPress.com/about/contact_us/

I reported an error before and after about three months the Publisher and the author of the book contacted me on this subject.

Tags: Cisco Support

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