CCNA Portable Command Guide, Second Edition

Chapter 26. HDLC and PPP

This chapter provides information and commands concerning the following topics:

• Configuring HDLC encapsulation on a serial line
• Configuring PPP on a serial line (mandatory commands)
• Configuring PPP on a serial line (optional commands), including those commands concerning the following

  —Compression

  —Link quality

  —Multilink

  —Authentication

• Verifying or troubleshooting a serial link/PPP encapsulation
• Configuration example: PPP

Configuring HDLC Encapsulation on a Serial Line

Note

HDLC is the default encapsulation for synchronous serial links on Cisco routers. You would only use the encapsulation hdlc command to return ...