Cisco Catalyst LAN Switching

All well-documented equipment uses a standard representation for interpreting commands. The Catalyst is no exception. Cisco documents how to interpret the printed commands of its documentation. Table 4-1 summarizes the command syntax conventions used in the Catalyst documentation and in this book.

Table 4-1. Catalyst Syntax Conventions

Command Presentation

Interpretation

Boldface

Commands and keywords that are entered literally as shown are in boldface.

Italic

Arguments for which you supply values are in italics.

[ ]

Elements in square brackets are optional.

{x | y | z}

Alternative required keywords are grouped in braces and separated by vertical bars.

[x | y | z]

Optional alternative keywords are grouped in brackets and separated by vertical bars.

String

A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks.