... alt="" © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0— 7-2 © 2002, Cisco Systems, Inc. All rights reserved. 2 Configuring Serial Point-to-Point Encapsulation© 2002, Cisco Systems, Inc. ... 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0— 7-1 2 Configuring PPP and Authentication Overview© 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0— 7-1 3Router(config-if)#encapsulation ... network layer protocol. © 2002, Cisco Systems, Inc. All rights reserved.© 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0— 7-2 0Summary (Cont.)•When configuring PPP authentication,...