Errata

The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version	Location	Description	Submitted By	Date submitted	Date corrected
PDF, ePub	Page 28 Last paragraph	In the text the MAC address for spanning tree is given as 01:80:2c:00:00:00, but in the captured frame it is shown as 01:80:c2:00:00:00. I think the one in the description has the 'c' and '2' reversed, which I assume is a typo. Note from the Author or Editor: The comment was correct - fixed.	Nick Hilhorst	Jul 13, 2013
Printed	Page 74 United States	In the Review Answers for question 4, the 3rd word is "request". I believe it should be reply. Note from the Author or Editor: Yes, this should be reply.	Bill de la Vega	Feb 19, 2015
Printed	Page 83 first example SAT table	In the first SAT table MAC address 00...97 is listed an is VLAN 11 with no Port. I believe the digits of 11 should be spaced out so that it is VLAN 1 and Port 1 (as in the 2nd SAT table). Note from the Author or Editor: Yes, this is a typo and it should be VLAN 1 port 1.	Bill de la Vega	Feb 19, 2015
PDF	Page 123 table 7.2, clolumn Class C Mask	Column seems to be missing last digit as in "255.255.255.19" should be "255.255.255.192", "255.255.255.22" should be "255.255.255.224",.... Note from the Author or Editor: The report is correct. Table 7-2 has a formatting problem that cut off the last digit in the column.	Anonymous	Jun 09, 2011
Printed, PDF, , Other Digital Version	Page 123 table 7-2	The format error for this table has been addressed.	Bruce Hartpence	Apr 16, 2012