Home Page Icon
Home Page
Table of Contents for
Icons Used in This Book
Close
Icons Used in This Book
by Erum Frahim - CCIE No. 7549, Balaji Sivasubramanian, Richard Froom - CCIE No. 51
Authorized Self-Study Guide Building Cisco Multilayer Switched Networks (BCMSN)
Copyright
Dedications
About the Authors
About the Contributing Author
About the Technical Reviewers
Acknowledgments
Icons Used in This Book
Command Syntax Conventions
Foreword
Introduction
Goals and Purpose
Who Should Read This Book?
Methods
How to Read This Book
How This Book Is Organized
1. Introduction to Building Cisco Multilayer Switched Networks
Regulatory Standards Driving Enterprise Architectures
Hardware- and Software-Switching Terminology
Multilayer Switching Overview
Understanding Layers 2, 3, 4, and 7 Switching Terminology
Layer 2 Switching
Layer 3 Switching
Layer 4 Switching
Layer 7 Switching
Layer 2 Switching in Depth
Layer 3 Switching In-Depth
Multilayer Switching
Enterprise Network Architectures
Cisco Service-Oriented Network Architecture
Three Layers of Cisco SONA
Cisco Intelligent Information Network
The Cisco AVVID Framework
Purpose of Layer 3 Networks
The Enterprise Models
Enterprise Composite Network Model
Enterprise Campus
Enterprise Campus Infrastructure
Building Access, Building Distribution, and Campus Backbone Submodules
Network Management, Data Center, and Edge Distribution Submodules
How Enterprise Campus Modules Meet the Needs of Enterprise Networks
Enterprise Edge
E-Commerce Module
Internet Connectivity Module
Remote Access and VPN Module
WAN Module
Service Provider Edge
ISP Module
PSTN Module
Frame Relay, ATM, and PPP Module
The Cisco Enterprise Data Center
Server Fabrics
Storage Area Networks/Fabrics
Data Center Interconnect
Access Network
Introducing the Cisco Catalyst Switches
Catalyst 6500 Family of Switches
Catalyst 4500 and 4900 Families of Switches
Catalyst 3560 Family of Switches
Catalyst 2960 Family of Switches
Study Tips
Summary
Review Questions
2. The Roles of Switches in Designing Cisco Multilayer Switched Networks
Data Link Technologies
10-Mbps Ethernet
Fast Ethernet
Gigabit Ethernet
Fast Ethernet and Gigabit Ethernet Auto-Negotiation
10-Gigabit Ethernet
Gigabit Interface Converters
Cisco Long-Reach Ethernet
Metro Ethernet
Designing Cisco Multilayer Switched Networks Using the Cisco Catalyst Switches and Data Link Technologies
Reviewing the Campus Infrastructure Module of the Enterprise Composite Network Model
Selecting Layer 2 or Layer 3 Switches
Small Campus Network Design
Medium-Sized Campus Network Design
Large Campus Network Design
Data Center
Data Center Infrastructure Architecture
Enterprise Edge
Case Study: Designing a Cisco Multilayer Switched Campus Network
Study Tips
Summary
Review Questions
3. Initial Configuration and Troubleshooting of Cisco Multilayer Switches
Comparing Cisco CatOS and Cisco IOS
Initial Configuration of Management Parameters of Cisco Catalyst Switches
System Name
Management IP Configuration
Clock and NTP Settings
Telnet and SSH
DNS
System Logging
SNMP
SNMP Configuration
Managing Catalyst Switch Configurations
Understanding the Cisco IOS File System (IFS) and Software Images on Catalyst Switches
Determining the IFS Size and Contents
Cisco IOS Image Naming
Naming Conventions Used by Hybrid and Cisco IOS Images on the Catalyst 6500 Family of Switches
Upgrading Software Versions on Catalyst Switches
Overview of Converting Cisco CatOS to Cisco Native IOS
Basic Troubleshooting Practices
show and debug Commands
Configurations and Commands Useful When Troubleshooting
The Impact of debug Commands and Recommended Use
Initial Configuration Troubleshooting Tips
What to Do When You Are Unable to Connect to the Switch via the Console Port
What to Do When You Are Unable to Establish IP Connectivity to or from a Switch Using Telnet or SSH
Study Tips
Summary
Configuration Exercise: Configuring a Cisco IOS–Based Catalyst Switch
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Establish Console (Out-of-Band) Connectivity and Configure the Switch Name
Task 2: Configure the Switch for IP Connectivity
Task 3: Configure the Switch Usernames and Passwords for Privileged and In-Band Access
Task 4: Configure the Switch for SSH and Disable Telnet Access
Task 5: Configure the Switch Time Settings, NTP Configuration, and System Logging Configuration
Task 6: Upgrade the Switch Cisco IOS Version to a Later Release
Review Questions
4. Implementing and Configuring VLANs
VLANs
Implementing VLANs in Multilayer Switched Networks
Understanding the Role and Benefits of VLANs in the Multilayer Switched Network Design
Benefits of End-to-End and Local VLANs in Campus Networks
Mapping VLANs to a Hierarchical Network
Static and Dynamic VLANs
VLAN Ranges
Configuring VLANs
Understanding the VLAN Configuration Modes in Cisco IOS
Configuring VLANs in Cisco CatOS
Verifying the VLAN Configuration
Troubleshooting VLANs
Troubleshooting Slow Throughput
Troubleshooting Communication Issues
Private VLANs
Configuring PVLANs in Cisco IOS
Configuring pVLANs in Cisco/CatOS
VLAN Trunking
Implementing Trunking in Multilayer Switched Networks
Trunking Protocols
ISL
IEEE 802.1Q
Understanding Native VLAN in 802.1Q Trunking
Understanding DTP
VLAN Ranges and Mappings
Service Provider–Managed VLAN Services
Cisco Trunking Modes and Methods
Configuring ISL and 802.1Q Trunking in Cisco IOS
Configuring VLAN Trunking in Cisco CatOS
Verifying Trunking Configurations
Troubleshooting Trunking
VLAN Trunking Protocol
VTP Pruning
VTP Versions
VTP Versions 1 and 2
VTP Version 3
VTP Authentication
Configuring VTP
Configuring VTP in Cisco IOS
Configuring VTP in Cisco CatOS
Verifying the VTP Configuration
Troubleshooting VTP
Case Study: Troubleshooting VLAN/Trunking Issues Across the Switches
Study Tips
Summary
Configuration Exercise: Configuring VLAN, Trunking, and VTP in Multilayer Switched Networks
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Create a VTP Management Domain
Task 2: Configure Trunking
Task 3: Configure VLANs
Task 4: Assign VLANs with Ports on Your Switch
Task 5: Add a New Switch to the Existing Network
Task 6: Verify the VLAN and VTP Status
Task 7: Configure pVLANs
Review Questions
5. Understanding and Configuring the 802.1D, 802.1s, and 802.1w Spanning Tree Protocols
Overview of the Spanning Tree Protocol
Identifying Bridging Loops
Preventing Bridging Loops
Building Loop-Free Networks
STP (IEEE 802.1D)
Bridge Identifier
Spanning-Tree Path Cost
Bridge Protocol Data Units
Spanning-Tree Port States and BPDU Timers
STP Operation
Root Bridge Election
Planning Root Bridge Selection
Selection of Root and Designated Port on Nonroot Bridges
Understanding Primary and Backup Root Bridges
Sample Scenario of STP Election Process
STP Topology Changes
Per VLAN Spanning Tree Plus
MAC Address Allocation and Reduction
STP and IEEE 802.1Q Trunks
Configuring the Basic Parameters of PVST+
Configuring the Root Bridge
Configuring Port Cost
Verifying the STP Configuration
Rapid Spanning Tree Protocol
RSTP Port States
RSTP Port Roles
RSTP BPDU Format and BPDU Handling
Rapid Transition to Forwarding
RSTP Topology Change Mechanism
Compatibility with 802.1D
Multiple Spanning Tree
PVST+ Case
802.1Q Case
MST Case
MST Regions
IST Instances
MST Instances
Configuring Basic Parameters of MST
Study Tips
Summary
Configuration Exercise: Configuring and Verifying Spanning-Tree Bridge Priorities and Spanning-Tree Port Cost
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure and Verify Spanning Tree Root and Backup Bridges and STP Priorities
Task 2: Configure and Verify Spanning Tree Port Cost
Task 3: Identifying STP Topology Changes
Review Questions
6. Adding Resiliency to Spanning Tree Using Advanced Features and Troubleshooting STP Issues
Enhancements to 802.1D Spanning Tree Protocol
PortFast
Configuring the PortFast Feature
UplinkFast
Configuration and Verification of UplinkFast
BackboneFast
Configuration and Verification of BackboneFast
Improving Spanning-Tree Resiliency
BPDU Guard
BPDU Filtering
Root Guard
Preventing Forwarding Loops and Black Holes
Loop Guard
Comparison Between Aggressive Mode UDLD and Loop Guard
Troubleshooting STP
Potential STP Problems
Duplex Mismatch
Unidirectional Link Failure
Frame Corruption
Resource Errors
PortFast Configuration Error
Inappropriate STP Diameter Parameter Tuning
Troubleshooting Methodology for STP Problems
Know the Network
Identify a Bridging Loop
Restore Connectivity
Check Port Status
Look for Resource Errors
Disable Unneeded Features
Study Tips
Summary
Configuration Exercise: Configuring BackboneFast, UplinkFast, Root Guard, and PortFast
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure and Verify BackboneFast
Task 2: Configure and Verify UplinkFast
Task 3: Configure and Verify Root Guard
Task 4: Configure and Verify PortFast
Configuration Exercise: Identify and Resolve a Layer 2 Loop
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Identifying the Layer 2 Loop
Task 2: Divide and Conquer (Disconnect Redundancy)
Task 3: Find Root Cause of Layer 2 Loop (Investigate Network and Hardware)
Task 4 (optional): Check Software Statistics
Review Questions
7. Enhancing Network Stability, Functionality, Reliability, and Performance Using Advanced Features
EtherChannel
PAgP Modes
LACP Modes
EtherChannel Guidelines
EtherChannel Configuration Example
EtherChannel Load Balancing
CDP
Voice VLAN and CDP
Security Issues
Multiple Default Gateways
MAC Address Notification
Layer 3 Protocol Filtering
DHCP for Management IP Configuration
Debounce Timer Feature
Broadcast and Multicast Suppression
Baby Giants and Jumbo Frames
Error-Disable Feature
IEEE 802.3 Flow Control
UDLD and Aggressive Mode UDLD
Case Study: Function of Aggressive Mode UDLD
Study Tips
Summary
Configuration Exercise
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure and Verify EtherChannel
Task 2: Configure and Verify LACP EtherChannel
Task 3: Configure and Verify CDP
Task 4: Configure and Verify Aggressive Mode UDLD
Task 5: Configure and Verify Jumbo Frame
Task 6: Configure and Verify Error-Disable
Review Questions
8. Understanding and Configuring Inter-VLAN Routing
IP Address Hierarchy in a Multilayer Switched Network
Introduction to Inter-VLAN Routing
Connecting VLANs with Multilayer Catalyst Switches
Routed Ports
Switch Virtual Interfaces
Bridge Virtual Interfaces
Router on a Stick (External Router)
Verifying the Inter-VLAN Routing Configuration
IP Broadcast Forwarding
DHCP Relay Agent
UDP Broadcast Forwarding
Study Tips
Summary
Configuration Exercise: Configuring Inter-VLAN Routing on Cisco IOS–Based Catalyst Switches
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure Inter-VLAN Routing Using SVIs on a Building Distribution Switch
Task 2: Configure Simple Routing Using EIGRP
Task 3: Configure Inter-VLAN Routing Using a Router on a Stick
Task 4: Configure SVI Interfaces for DHCP Forwarding
Review Questions
9. Understanding and Configuring Multilayer Switching
Understanding Traditional MLS
Understanding CEF-Based MLS
Centralized and Distributed Switching
Address Resolution Protocol Throttling
Switching Table Architectures
CAM
TCAM
CEF-Based MLS Operation and Use of TCAM
Sample CEF-Based MLS Operation
CEF-Based MLS Load Sharing
CEF-Based MLS Configuration, Verification, and Troubleshooting
CEF-Based MLS Configuration
CEF-Based MLS Verification and Troubleshooting
Viewing the Layer 3 Engine CEF Table
Viewing the Layer 3 Engine Adjacency Table
Debugging CEF on the Layer 3 Engine
CEF-Based MLS Troubleshooting Methodology
Study Tips
Summary
Configuration Exercise: Troubleshooting CEF-Based MLS
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Establish Console (Out-of-Band) Connectivity or Telnet or SSH Connectivity to the Switch
Task 2: Determine the IP Routing Entry or Subnet That Is Experiencing Connectivity Problems or a CEF-Based MLS Issue
Task 3: Verify the Cisco IOS IP Routing Table and ARP Entries for the Route
Task 4: Verify the IP CEF FIB and Adjacency Entries for the Route
Task 5: Debug the CEF FIB and Adjacency Table’s Downloads to the Centralized Switching and Distributed Switching Engines, and Verify the TCAM Contents for FIB and Adjacency Tables
Review Questions
10. Understanding and Implementing Quality of Service in Cisco Multilayer Switched Networks
The Need for QoS
Latency
Jitter
Packet Loss
QoS-Enabled Solutions
QoS Service Models
Integrated Services Architecture
Differentiated Services
Assured Forwarding and Expedited Forwarding
Assured Forwarding
Expedited Forwarding
Catalyst QoS Fundamentals
Classification
Trust Boundaries and Configurations
NBAR
Marking
Traffic Conditioning: Policing and Shaping
Shaping
Policing
Congestion Management
FIFO Queuing
Weighted Round Robin Queuing
Shaped Round Robin (SRR)
Priority Queuing
Custom Queuing
Other Congestion-Management Features and Components
Congestion Avoidance
Tail Drop
Weighted Random Early Detection
QoS in the Multilayer Switched Network
QoS in the Building Access Submodule
QoS in the Building Distribution Submodule
QoS in the Campus Backbone
Auto QoS
Study Tips
Summary
Configuration Exercise: Configuring QoS on Cisco IOS–Based Catalyst Switches
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Globally Enable QoS
Task 2: Configure the Switch to Trust DSCP on Interfaces FastEthernet0/1 Through 0/10 if a Cisco IP Phone Is Attached
Task 3: Configure the Switch to Classify All Incoming Frames on Interface FastEthernet 0/11 with a CoS Value of 4 for Untagged Frames
Task 4: Configure a Policy Map, a Class Map, and the Interface Such That All Ingress TCP Port 30000 Packets on FastEthernet0/11 Have Their DSCP Set to 16
Task 5: Configure All Egress Queues Such That CoS Values 4, 6, and 7 Use Queue 3 and a CoS Value 5 Uses Queue 4
Task 6: Configure Queue 4 as a Strict-Priority Queue
Task 7: Configure WRR Weights Such That Queue 3 Receives Twice as Much Service as Any Other Single Queue
Task 8: Verify All Configurations by Viewing Interface Statistics
Review Questions
11. Deploying Multicast in the Multilayer Switched Network
Introduction to Multicast
Multicast IP Address Structure
Reserved Link Local Addresses
Globally Scoped Addresses
Source-Specific Multicast Addresses
GLOP Addresses
Limited-Scope Addresses
Multicast MAC Address Structure
Reverse Path Forwarding
Multicast Forwarding Tree
Source Trees
Shared Trees
Comparing Source Trees and Shared Trees
IP Multicast Protocols
PIM
PIM Dense Mode
PIM Sparse Mode
PIM Sparse-Dense Mode
PIM Bidirectional
Automating Distribution of RP
Auto-RP
Bootstrap Router
Comparison and Compatibility of PIM Version 1 and Version 2
IGMP
IGMPv1
IGMPv2
IGMPv3
IGMPv3 Lite
Multicast Hardware-Based Switching Methods
MMLS
CEF-Based MMLS
MFIB
Layer 2 Multicast Protocols
IGMP Snooping
Cisco Group Management Protocol
IP Multicast in the Multilayer Switched Network
Configuring Multicast
Monitoring and Verifying IP Multicast Traffic
Study Tips
Summary
Configuration Exercise: Configuring and Verifying Multicast in the Multilayer Switched Network to Support Stock Ticker Video Applications
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure Multicast Routing with Sparse-Dense Mode on Distribution Switches
Task 2: Configure the RP/Mapping Agent for Auto-RP on the Core Switches
Review Questions
12. Design Network Resiliency, Redundancy, and High Availability in Multilayer Switched Networks
Achieving High Availability in Multilayer Switches
Implementing Redundant Supervisor Engines in Catalyst Switches
Route Processor Redundancy
Route Processor Redundancy Plus
Configuring and Verifying RPR+ Redundancy
Stateful Switchover (SSO)
Configuring and Verifying SSO
NSF with SSO
Configuring and Verifying NSF with SSO
Router Redundancy Using Single Router Mode on the Catalyst 6500 Series of Switches
SRM Failure Scenario with a Catalyst 6500 Supervisor Engine II and MSFC2
SRM Failure Scenario with Supervisor Engine IA
SRM Configuration
Understanding Cisco IOS Software Modularity and In-Service Software Upgrade (ISSU)
Implementing Redundant Supervisor Uplink Modules in Catalyst Switches
Implementing Redundant Power Supplies
Implementing Default Gateway Router Redundancy in Multilayer Switched Networks
Proxy ARP
IRDP
Static Default Gateway Configuration
Hot Standby Routing Protocol
HSRP States
HSRP Virtual MAC Address
HSRP Load Balancing
Configuring HSRP
Defining the HSRP Group
Configuring Router HSRP Group Priority
Configuring HSRP Preempt
Configuring HSRP Group Timers
Configuring HSRP Interface Tracking
Verifying HSRP
HSRP Debugging
Virtual Router Redundancy Protocol
VRRP Scenarios
VRRP Operation Details
Configuring and Verifying VRRP
Gateway Load Balancing Protocol
Configuring and Verifying GLBP
Cisco IOS Server Load Balancing
Cisco IOS SLB Modes of Operation
Configuring the Server Farm in a Data Center with Real Servers
Configuring Virtual Servers
Study Tips
Summary
Configuration Exercise: Configuring and Verifying RPR+ and HSRP
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure and Verify RPR+
Task 2: Configure and Verify HSRP
Review Questions
13. Best Practices for Deploying Cisco IP Telephony Using Cisco Catalyst Switches
Why Include VoIP When Building a Converged Network?
Introduction to IP Telephony Components
Network Design Recommendations for IP Telephony
QoS
Voice (Auxiliary) VLANs
Network Bandwidth Provisioning
Power Considerations
Network Management
IP Telephony High Availability
Security
Best Practices for Deploying IP Telephony in the Enterprise Composite Network Model
Study Tips
Summary
Configuration Exercise: Configuring Voice VLANs on a Catalyst Switch
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Configure Access and Voice VLAN
Task 2: Configure Interfaces for Access and Voice VLANs
Task 3: Configure Interface FastEthernet 0/1 Through 0/10 for a Recommended QoS Configuration for Congestion Management
Task 4: Configure Interface FastEthernet 0/1 for a Classification Based on Trusting CoS
Task 5: Configure Interface FastEthernet 0/2 for Classification Based on Trusting DSCP
Task 6: Configure Interfaces FastEthernet 0/3 Through 0/10 for Trusting CoS Based on Whether an IP Phone Is Attached to the Interface
Task 7: Verify the Voice VLAN Configuration of the FastEthernet Interfaces
Review Questions
14. Securing Your Multilayer Switched Network to Minimize Service Loss and Data Theft
Introduction to Layer 2 Security and Types of Layer 2 Attacks
Understand How a Rogue Device Gains Unauthorized Access
Categories of Layer 2 Attacks
Catalyst Switch Configurations for Security in Multilayer Switched Networks
Configuring Strong System Passwords
Restricting Management Access Using Access Control Lists
Securing Physical Access to the Console
Securing Access to vty Lines
Configuring System Warning Banners
Disabling Unneeded or Unused Services
Trimming and Minimizing Use of CDP
Disabling the Integrated HTTP Daemon
Configuring Basic System Logging
Securing SNMP
Limiting Trunking Connections and Propagated VLANs
Securing the Spanning-Tree Topology
Configuring AAA
Authentication
Authorization
Accounting
Configuring AAA Authentication
Configuring AAA Authorization
Configuring AAA Accounting
A Step-by-Step Example of Configuring Cisco AAA on a Cisco IOS-Based Catalyst Switch
Additional Resources for Understanding and Configuring AAA
Port Security
Allowing Traffic Based on Host MAC Addresses
Restricting Traffic Based on Host MAC Addresses
Blocking Unicast Flooding on Desired Ports
Port Security Summary
Network Access Security Using IEEE 802.1X
Configuring IEEE 802.1X
Understanding Cisco Network Admission Control on Catalyst Switches
Applying Security Using Access Control Lists
RACLs
VACLs
Port ACLs
Securing Networks Using Firewalls
Security Through Network Address Translation (NAT)
DHCP Snooping
IP Source Guard
Configuring IPSG
Dynamic ARP Inspection
Understanding the Role of Private VLANs as a Security Feature
Understanding the Role of QoS as a Security Feature
STP Security Mechanisms Review
Case Study: Understanding and Preventing VLAN Hopping Attacks
Study Tips
Summary
Configuration Exercise 1: AAA, 802.1X, and VACLs
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Enable AAA, Disable Telnet, and Enable SSH
Task 2: Configure AAA Authentication for VTY Access Using RADIUS and the Local Username and Password Database if the Radius Server Is Unavailable
Task 3: Configure 802.1X on a Per-Interface Basis
Task 4: Configure VACL to Drop All Ingress Frames on TCP Port 8889
Configuration Exercise 2: Securing a Cisco Multilayer Switched Network Using DHCP Snooping, IPSG, and DAI
Required Resources
Exercise Objective
Network Diagram
Command List
Task 1: Enable DHCP Snooping
Task 2: Verify DHCP Snooping, IPSG, and DAI Status
Task 3: Simulate an IP Source Guard and DAI Violation
Review Questions
15. Introduction to the Catalyst Switching Architectures
Catalyst 6500
Catalyst 6500 Supervisor Engine 32
Catalyst 6500 with Supervisor Engine II
Catalyst 6500 with Supervisor Engine 720
Catalyst 6500 Modules
Catalyst 6500 Service Modules
Catalyst 6500 Summary
Catalyst 4500
Catalyst 3750
Catalyst 3560
Catalyst 2960
Study Tips
Summary
Review Questions
16. Designing, Building, and Connecting Cisco Multilayer Switched Networks Using Metro Solutions
Introduction to Cisco Metro Solutions
Metro Ethernet
Metro Ethernet Connectivity and Transport
Transparent LAN Services
Directed VLAN Service
Metro Ethernet over SONET
Metro Ethernet over Wavelength Division Multiplexing Optical Solutions
Metro Ethernet over DWDM
Metro Ethernet over CDWM
Optical Distance Challenges
Summary
Review Questions
17. Performance and Connectivity Troubleshooting Tools for Multilayer Switches
Techniques to Enhance Performance
Monitoring Performance with SPAN and VSPAN
Using SPAN to Monitor the CPU Interface of Switches
Case Study: Troubleshooting a Catalyst 6500 Using a SPAN Session to Monitor the sc0 Interface
Monitoring Performance with RSPAN
Monitoring Performance with ERSPAN
Monitoring Performance Using VACLs with the Capture Option
Troubleshooting Using L2 Traceroute
Enhancing Troubleshooting and Recovery Using Cisco IOS Embedded Event Manager
Performance Monitoring Using the Network Analysis Module in the Catalyst 6500 Family of Switches
Verification of the NAM Configuration
Troubleshooting Common Problems with the NAM
Study Tips
Summary
Review Questions
18. Introducing Wireless into the Campus Network
WLANs Explained
WLAN and Ethernet Similarities
WLAN and Ethernet Differences
Privacy Concerns
Environmental Concerns
Compression Concerns
Mobility Concerns
Regulatory Concerns
WLAN Components
Autonomous APs
Lightweight APs
Wireless Network Implementations
Building Blocks of AP WLAN Topologies
Building Blocks of a Bridging WLAN
Topology Implementation
Wireless Theory and Standards
RF Basics
WLAN: RF Math
Antennas
Regulatory Agencies and Standards
802.11 Operational Standards
IEEE 802.11 Standards in the 2.4-GHz Band
802.11a Standards in the 5-GHz Band
Comparing the 802.11 Standards
Implementing WLANs
802.11b/g Channel Reuse
802.11a Channel Reuse
Best Practices
Bridge Path Considerations
Power Implementation
Cisco WLANs
Enterprise WLAN Issues
Overview of Cisco WLAN
Comparing Autonomous and Lightweight APs
Wireless LAN Management
Cisco Wireless Control System
Cisco Catalyst 6500 Series Wireless Services Module (WiSM)
Cisco Wireless LAN Controller Module (WLCM) for Integrated Services Routers (ISR)
CiscoWorks Wireless LAN Solution Engine (WLSE)
CiscoWorks WLSE Express
Cisco Wireless Location Appliance
Comparing Core and Advanced Feature Roaming
Cisco Airespace Roaming
Cisco Airespace Layer 2 Roaming
Cisco Airespace Layer 3 Roaming
Split MAC
LWAPP AP Association
Layer 2 Lightweight AP Protocol
Layer 3 Lightweight AP Protocol
Access Point Association
Access Point Association Order
Access Point Association Layer 2 Controller Response
Access Point Association Layer 3 Controller Response
Mixing LWAPP with Autonomous APs
Cisco Wireless Clients
Wireless Client Association
Open Authentication
Pre-shared Key Authentication (WEP)
Introducing WLAN Security
Cisco Client Cards
Cisco Compatible Extensions
Configuring a Basic WLAN
Available Interfaces for WLAN Configuration
Management Interface
AP-Manager Interface
Virtual Interface
Service-Port Interface
Dynamic Interface
Connecting to the Controller
Configuring the Controller
Verifying Controller Configuration
show 802.11 Commands
show advanced 802.11 Commands
show ap Commands
show stats Commands
show client Commands
show radius Commands
show rogue ap Commands
show rogue client Commands
Summary
Review Questions
A. Answers to Review Questions
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
Chapter 18
Search in book...
Toggle Font Controls
Playlists
Add To
Create new playlist
Name your new playlist
Playlist description (optional)
Cancel
Create playlist
Sign In
Email address
Password
Forgot Password?
Create account
Login
or
Continue with Facebook
Continue with Google
Sign Up
Full Name
Email address
Confirm Email Address
Password
Login
Create account
or
Continue with Facebook
Continue with Google
Prev
Previous Chapter
Acknowledgments
Next
Next Chapter
Command Syntax Conventions
Icons Used in This Book
Add Highlight
No Comment
..................Content has been hidden....................
You can't read the all page of ebook, please click
here
login for view all page.
Day Mode
Cloud Mode
Night Mode
Reset