Introduction Your Study Plan Part I Ethernet LANs Chapter 1 Implementing Ethernet Virtual LANs Foundation Topics Virtual LAN Concepts Creating Multiswitch VLANs Using Trunking Forwarding Data Between VLANs VLAN and VLAN Trunking Configuration and Verification Creating VLANs and Assigning Access VLANs to an Interface VLAN Trunking Protocol VLAN Trunking Configuration Implementing Interfaces Connected to Phones Chapter Summary Review Questions Chapter Review Chapter 2 Spanning Tree Protocol Concepts Foundation Topics Spanning Tree Protocol (IEEE 802.1D) The Need for Spanning Tree What IEEE 802.1D Spanning Tree Does How Spanning Tree Works Influencing and Changing the STP Topology Rapid STP (IEEE 802.1w) Concepts Comparing STP and RSTP RSTP and the Alternate (Root) Port Role RSTP States and Processes RSTP and the Backup (Designated) Port Role RSTP Port Types Optional STP Features EtherChannel PortFast BPDU Guard Chapter Summary Review Questions Chapter Review Chapter 3 Spanning Tree Protocol Implementation Foundation Topics Implementing STP Setting the STP Mode Connecting STP Concepts to STP Configuration Options Verifying STP Operation Configuring STP Port Costs Configuring Priority to Influence the Root Election Implementing Optional STP Features Configuring PortFast and BPDU Guard Configuring EtherChannel Implementing RSTP Identifying the STP Mode on a Catalyst Switch RSTP Port Roles RSTP Port States RSTP Port Types Chapter Summary Review Questions Chapter Review Chapter 4 LAN Troubleshooting Foundation Topics Troubleshooting STP Determining the Root Switch Determining the Root Port on Nonroot Switches Determining the Designated Port on Each LAN Segment STP Convergence Troubleshooting Layer 2 EtherChannel Incorrect Options on the channel-group Command Configuration Checks Before Adding Interfaces to EtherChannels Analyzing the Switch Data Plane Forwarding Predicting STP Impact on MAC Tables Predicting EtherChannel Impact on MAC Tables Choosing the VLAN of Incoming Frames Troubleshooting VLANs and VLAN Trunks Access VLAN Configuration Incorrect Access VLANs Undefined or Disabled Mismatched Trunking Operational States Mismatched Supported VLAN List on Trunks Mismatched Native VLAN on a Trunk Chapter Summary Chapter Review Chapter 5 VLAN Trunking Protocol Foundation Topics VLAN Trunking Protocol (VTP) Concepts Basic VTP Operation VTP Version 1 Versus Version 2 VTP Pruning Summary of VTP Features VTP Configuration and Verification Using VTP: Configuring Servers and Clients Verifying Switches Synchronized Databases Storing the VTP and Related Configuration Avoiding Using VTP VTP Troubleshooting Determining Why VTP Is Not Synchronizing Common Rejections When Configuring VTP Problems When Adding Switches to a Network Chapter Summary Review Questions Chapter Review Chapter 6 Miscellaneous LAN Topics Foundation Topics Securing Access with IEEE 802.1x AAA Authentication AAA Login Process TACACS+ and RADIUS Protocols AAA Configuration Examples DHCP Snooping DHCP Snooping Basics An Example DHCP-based Attack How DHCP Snooping Works Summarizing DHCP Snooping Features Switch Stacking and Chassis Aggregation Traditional Access Switching Without Stacking Switch Stacking of Access Layer Switches Switch Stack Operation as a Single Logical Switch Cisco FlexStack and FlexStack-Plus Chassis Aggregation Chapter Summary Review Questions Chapter Review Part I Review Part II IPv4 Routing Protocols Chapter 7 Understanding OSPF Concepts Foundation Topics Comparing Dynamic Routing Protocol Features Routing Protocol Functions Interior and Exterior Routing Protocols Comparing IGPs Administrative Distance OSPF Concepts and Operation OSPF Overview Becoming OSPF Neighbors Exchanging the LSDB Between Neighbors Calculating the Best Routes with SPF OSPF Area Design OSPF Areas How Areas Reduce SPF Calculation Time OSPF Area Design Advantages Chapter Summary Review Questions Chapter Review Chapter 8 Implementing OSPF for IPv4 Foundation Topics Implementing Single-Area OSPFv2 OSPF Single-Area Configuration Matching with the OSPF network Command Verifying OSPFv2 Single Area Configuring the OSPF Router ID OSPF Passive Interfaces Implementing Multiarea OSPFv2 Single-Area Configurations Multiarea Configuration Verifying the Multiarea Configuration Additional OSPF Features OSPF Default Routes OSPF Metrics (Cost) OSPF Load Balancing OSPFv2 Interface Configuration Chapter Summary Review Questions Chapter Review Chapter 9 Understanding EIGRP Concepts Foundation Topics EIGRP and Distance Vector Routing Protocols Introduction to EIGRP Basic Distance Vector Routing Protocol Features EIGRP as an Advanced DV Protocol EIGRP Concepts and Operation EIGRP Neighbors Exchanging EIGRP Topology Information Calculating the Best Routes for the Routing Table EIGRP Convergence Chapter Summary Review Questions Chapter Review Chapter 10 Implementing EIGRP for IPv4 Foundation Topics Core EIGRP Configuration and Verification EIGRP Configuration Configuring EIGRP Using a Wildcard Mask Verifying EIGRP Core Features EIGRP Metrics, Successors, and Feasible Successors Viewing the EIGRP Topology Table Examining the Metric Components Other EIGRP Configuration Settings Load Balancing Across Multiple EIGRP Routes Tuning the EIGRP Metric Calculation Autosummarization and Discontiguous Classful Networks Chapter Summary Review Questions Chapter Review Chapter 11 Troubleshooting IPv4 Routing Protocols Foundation Topics Perspectives on Troubleshooting Routing Protocol Problems Interfaces Enabled with a Routing Protocol EIGRP Interface Troubleshooting OSPF Interface Troubleshooting Neighbor Relationships EIGRP Neighbor Verification Checks EIGRP Neighbor Troubleshooting Example OSPF Neighbor Troubleshooting Other OSPF Issues Chapter Summary Chapter Review Chapter 12 Implementing External BGP Foundation Topics BGP Concepts Advertising Routes with BGP Internal and External BGP Choosing the Best Routes with BGP eBGP and the Internet Edge eBGP Configuration and Verification BGP Configuration Concepts Configuring eBGP Neighbors Using Link Addresses Injecting BGP Table Entries with the network Command Learning a Default Route from the ISP Chapter Summary Review Questions Chapter Review Part II Review Part III Wide-Area Networks Chapter 13 Implementing Point-to-Point WANs Foundation Topics Leased-Line WANs with HDLC Layer 1 Leased Lines Layer 2 Leased Lines with HDLC Configuring HDLC Leased-Line WANs with PPP PPP Concepts Implementing PPP Implementing PPP CHAP Implementing PPP PAP Implementing Multilink PPP Troubleshooting Serial Links Troubleshooting Layer 1 Problems Troubleshooting Layer 2 Problems Troubleshooting Layer 3 Problems Chapter Summary Review Questions Chapter Review Chapter 14 Private WANs with Ethernet and MPLS Foundation Topics Metro Ethernet Metro Ethernet Physical Design and Topology Ethernet WAN Services and Topologies Layer 3 Design Using Metro Ethernet Ethernet Virtual Circuit Bandwidth Profiles Multiprotocol Label Switching (MPLS) MPLS VPN Physical Design and Topology MPLS and Quality of Service Layer 3 with MPLS VPN Chapter Summary Review Questions Chapter Review Chapter 15 Private WANs with Internet VPN Foundation Topics Internet Access and Internet VPN Fundamentals Internet Access Internet VPN Fundamentals GRE Tunnels and DMVPN GRE Tunnel Concepts Configuring GRE Tunnels Verifying a GRE Tunnel Troubleshooting GRE Tunnels Multipoint Internet VPNs Using DMVPN PPP over Ethernet PPPoE Concepts PPPoE Configuration PPPoE Verification PPPoE Troubleshooting Chapter Summary Review Questions Chapter Review Part III Review Part IV IPv4 Services: ACLs and QoS Chapter 16 Basic IPv4 Access Control Lists Foundation Topics IPv4 Access Control List Basics ACL Location and Direction Matching Packets Taking Action When a Match Occurs Types of IP ACLs Standard Numbered IPv4 ACLs List Logic with IP ACLs Matching Logic and Com.