|  | 9.3 | Router Commands
| 9.3.5 | PPP encapsulation with PAP and CHAP
The commands listed below are to assist you in setting up your router. The commands are only examples and do not reflect the configuration of any actual network. Your actual commands, IP addresses, network addresses, passwords, etc., will depend upon your network design. PPP Encapsulation between LabB and LabC routers PPP encapsulation Note: The default encapsulation on serial interfaces on Cisco Routers is HDLC. PPP with PAP authentication PPP with CHAP authentication