Part II : Building a Campus Network
Chapter 2: Switch Operation
Layer 2 Switch Operation
Transparent Bridging
Follow That Frame!
Multilayer Switch Operation
Types of Multilayer Switching
Follow That Packet!
Multilayer Switching Exceptions
Tables Used in Switching
Content-Addressable Memory
Ternary Content-Addressable Memory
Monitoring Switching Tables
CAM Table Operation
TCAM Operation
Define Key Terms
Chapter 3: Switch Port Configuration
Ethernet Concepts
Ethernet (10 Mbps)
Fast Ethernet
Gigabit Ethernet
10-Gigabit Ethernet
Connecting Switches and Devices
Ethernet Port Cables and Connectors
Gigabit Ethernet Port Cables and Connectors
Switch Port Configuration
Selecting Ports to Configure
Identifying Ports
Port Speed
Port Duplex Mode
Managing Error Conditions on a Switch Port
Enable and Use the Switch Port
Troubleshooting Port Connectivity
Define Key Terms
Chapter 4: VLANs and Trunks
Virtual LANs
VLAN Membership
Deploying VLANs
VLAN Trunks
VLAN Frame Identification
Dynamic Trunking Protocol
VLAN Trunk Configuration
VLAN Trunk Configuration
Troubleshooting VLANs and Trunks
Define Key Terms
Chapter 5: VLAN Trunking Protocol
VLAN Trunking Protocol
VTP Domains
VTP Modes
VTP Advertisements
VTP Configuration
Configuring a VTP Management Domain
Configuring the VTP Mode
Configuring the VTP Version
VTP Configuration Example
VTP Status
VTP Pruning
Enabling VTP Pruning
Troubleshooting VTP
Define Key Terms
Chapter 6: Aggregating Switch Links
Switch Port Aggregation with EtherChannel
Bundling Ports with EtherChannel
Distributing Traffic in EtherChannel
Configuring EtherChannel Load Balancing
EtherChannel Negotiation Protocols
Port Aggregation Protocol
Link Aggregation Control Protocol
EtherChannel Configuration
Configuring a PAgP EtherChannel
Configuring a LACP EtherChannel
Troubleshooting an EtherChannel
Define Key Terms
Chapter 7: Traditional Spanning Tree Protocol
IEEE 802.1D Overview
Bridging Loops
Preventing Loops with Spanning Tree Protocol
Spanning-Tree Communication: Bridge Protocol Data Units
Electing a Root Bridge
Electing Root Ports
Electing Designated Ports
STP States
STP Timers
Topology Changes
Types of STP
Common Spanning Tree
Per-VLAN Spanning Tree
Per-VLAN Spanning Tree Plus
Define Key Terms
Chapter 8: Spanning-Tree Configuration
STP Root Bridge
Root Bridge Placement
Root Bridge Configuration
Spanning-Tree Customization
Tuning the Root Path Cost
Tuning the Port ID
Tuning Spanning-Tree Convergence
Modifying STP Timers
Redundant Link Convergence
PortFast: Access-Layer Nodes
UplinkFast: Access-Layer Uplinks
BackboneFast: Redundant Backbone Paths
Monitoring STP
Define Key Terms
Chapter 9: Protecting the Spanning Tree Protocol Topology
Protecting Against Unexpected BPDUs
Root Guard
BPDU Guard
Protecting Against Sudden Loss of BPDUs
Loop Guard
UDLD
Using BPDU Filtering to Disable STP on a Port
Troubleshooting STP Protection
Define Key Terms
Chapter 10: Advanced Spanning Tree Protocol
Rapid Spanning Tree Protocol
RSTP Port Behavior
BPDUs in RSTP
RSTP Convergence
Topology Changes and RSTP
RSTP Configuration
Rapid Per-VLAN Spanning Tree Protocol
Multiple Spanning Tree Protocol
MST Overview
MST Regions
Spanning-Tree Instances Within MST
MST Configuration
Define Key Terms
Chapter 11: Multilayer Switching
InterVLAN Routing
Types of Interfaces
Configuring InterVLAN Routing
Multilayer Switching with CEF
Traditional MLS Overview
CEF Overview
Forwarding Information Base
Adjacency Table
Packet Rewrite
Configuring CEF
Verifying Multilayer Switching
Verifying InterVLAN Routing
Verifying CEF
Using DHCP with a Multilayer Switch
Configuring an IOS DHCP Server
Configuring a DHCP Relay
Define Key Terms
Part III: Designing Campus Networks
Chapter 12: Enterprise Campus Network Design
Hierarchical Network Design
Predictable Network Model
Access Layer
Distribution Layer
Core Layer
Modular Network Design
Switch Block
Core Block
Define Key Terms
Chapter 13: Layer 3 High Availability
Router Redundancy in Multilayer Switching
Packet-Forwarding Review
Hot Standby Router Protocol
Virtual Router Redundancy Protocol
Gateway Load Balancing Protocol
Verifying Gateway Redundancy
Supervisor and Route Processor Redundancy
Redundant Switch Supervisors
Configuring the Redundancy Mode
Configuring Supervisor Synchronization
Nonstop Forwarding
Define Key Terms
Part IV: Campus Network Services
Chapter 14: IP Telephony
Power over Ethernet
How PoE Works
Cisco Inline Power (ILP)
Cisco proprietary method developed before the IEEE 802.3af
IEEE 802.3af
A standards-based method that offers vendor interoperability
Detecting a Powered Device
IEEE 802.3af Power Classes.png
Supplying Power to a Device
Configuring PoE
Verifying PoE
Voice VLANs
Voice VLAN Configuration
Verifying Voice VLAN Operation
Voice QoS
QoS Overview
Best-Effort Delivery
Integrated Services Model
Differentiated Services Model
DiffServ QoS
Implementing QoS for Voice
Configuring a Trust Boundary
Using Auto-QoS to Simplify a Configuration
Verifying Voice QoS
Define Key Terms
Chapter 15: Integrating Wireless LANs
Wireless LAN Basics
Comparing Wireless and Wired LANs
Avoiding Collisions in a WLAN
WLAN Building Blocks
Access Point Operation
Wireless LAN Cells
WLAN Architecture
Traditional WLAN Architecture
Cisco Unified Wireless Network Architecture
WLC Functions
Lightweight AP Operation
Traffic Patterns in a Cisco Unified Wireless Network
Roaming in a Cisco Unified Wireless Network
Intracontroller Roaming
Intercontroller Roaming
Mobility Groups
Configuring Switch Ports for WLAN Use
Configuring Support for Autonomous APs
Configuring Support for LAPs
Configuring Support for WLCs
Define Key Terms
Part V: Securing Switched Networks
Chapter 16: Securing Switch Access
Port Security
Port-Based Authentication
802.1x Configuration
802.1x Port-Based Authentication Example
Mitigating Spoofing Attacks
DHCP Snooping
IP Source Guard
Dynamic ARP Inspection
Best Practices for Securing Switches
Define Key Terms
Chapter 17: Securing with VLANs
VLAN Access Lists
VACL Configuration
Private VLANs
Private VLAN Configuration
Configure the Private VLANs
Associate Ports with Private VLANs
Associate Secondary VLANs to a Primary VLAN SVI
Securing VLAN Trunks
Switch Spoofing
VLAN Hopping
Define Key Terms