O'Reilly logo

Cisco LAN Switching Fundamentals by Basir Sakandar - CCIE No. 6040, David Barnes - CCIE No. 6563

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Command Syntax Conventions

The conventions used to present command syntax in this book are the same conventions used in the Cisco IOS Command Reference, as follows:

  • Boldface indicates commands and keywords that are entered literally as shown. In examples (not syntax), boldface indicates user input (for example, a show command).

  • Italics indicates arguments for which you supply values.

  • Square brackets ([ and ]) indicate optional elements.

  • Braces ({ and }) contain a choice of required keywords.

  • Vertical bars (|) separate alternative, mutually exclusive elements.

  • Braces and vertical bars within square brackets—for example, [x {y | z}]—indicate a required choice within an optional element. You do not need to enter what is in the brackets, but if you do, ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required