PrefaceThe H3C S12500 documentation set includes 17 command references. These references describe thecommands and command syntax options available for the H3C S12500 Series 10G Core RoutingSwitches.The OAA Command Reference describes OAP and OAP module configuration commands on the switch.This preface includes:• Audience• Conventions• About the H3C S12500 documentation set• Obtaining documentation• Technical support• Documentation feedbackAudienceThis documentation is intended for:• Network planners• Field technical support and servicing engineers• Network administrators working with the S12500 seriesConventionsThis section describes the conventions used in this documentation set.Command conventionsConvention DescriptionBoldface Bold text represents commands and keywords that you enter literally as shown.Italic Italic text represents arguments that you replace with actual values.[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.{ x | y | ... } Braces enclose a set of required syntax choices separated by vertical bars, from whichyou select one.[ x | y | ... ] Square brackets enclose a set of optional syntax choices separated by vertical bars, fromwhich you select one or none.{ x | y | ... } * Asterisk marked braces enclose a set of required syntax choices separated by verticalbars, from which you select at least one.[ x | y | ... ] * Asterisk marked square brackets enclose optional syntax choices separated by verticalbars, from which you select one choice, multiple choices, or none.&<1-n> The argument or keyword and argument combination before the ampersand (&) sign can