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CCNP Self-Study: Building Cisco Multilayer Switched Networks (BCMSN), 3rd Edition
- By Richard Froom, Balaji Sivasubramanian, Erum Frahim
- Published Jul 18, 2005 by Cisco Press.
Book
- Sorry, this book is no longer in print.
Description
- Copyright 2006
- Edition: 3rd
- Book
- ISBN-10: 1-58705-219-9
- ISBN-13: 978-1-58705-219-4
Cisco authorized self-study book for CCNP switching foundation learning
Prepare for the CCNP BCMSN exam 642-811 with a Cisco authorized self-study guide. This book teaches you how to:
- Configure basic parameters for Catalyst switches, including SSH, system host name, and IP address management in both Cisco IOS and Cisco CatOS
- Employ private VLANs, VTP, and 802.1Q trunking in Cisco multilayer switched networks
- Deploy 802.1D, 802.1D-2004, 802.1s, and 802.1w STP and utilize advanced spanning-tree features such as UplinkFast and root guard
- Enable Layer 2 features such as including aggressive-mode UDLD, CDP, and Jumbo Ethernet Frames
- Deploy Inter-VLAN routing
- Implement QoS on Catalyst switches at Layers 2 and 3
- Enable Layer 2 and Layer 3 multicasting features such as IGMP snooping
- Employ VRRP, HSRP, and Supervisor Engine redundancy for high availability
- Describe the requirements for IP telephony in multilayer switched networks
- Implement control plane and data plane security features such as 802.1X and DHCP snooping
- Deploy Ethernet over long distances with Metro Ethernet solutions such as DWDM and CDWM
CCNP Self-Study: Building Cisco Multilayer Switched Networks (BCMSN), Third Edition, is a Cisco® authorized, self-paced learning tool for CCNP® switching foundation learning. This book provides you with the knowledge needed to build scalable multilayer switched networks, to create and deploy a global intranet, and to implement basic troubleshooting techniques in environments that use Cisco multilayer switches for client hosts and services. By reading this book, you will learn how to improve traffic flow, reliability, redundancy, performance, and security for Layer 2 and Layer 3 switched networks.
This comprehensive book provides detailed information and easy-to-grasp tutorials on design, configuration, operation, and troubleshooting of modern multilayer switched networks. This book introduces Cisco Catalyst® switching architectures, including Cisco Express Fowarding, ternary content addressable memory (TCAM), and the Cisco 6500, 4500, 3750, 3550, and 2950 series of switches. The book places an emphasis on configuring Cisco Catalyst switches with Cisco IOS® Software, with many chapters covering both Cisco IOS and Cisco CatOS. You will also learn about emerging technologies such as multicasting, security, IP telephony, storage area networking, and quality of service (QoS) as additions to the campus network design. The book concludes with a discussion of troubleshooting methodologies and tools. Each chapter opens with a list of objectives to help focus your study. Lab exercises are offered throughout to help illuminate theoretical concepts. Each chapter concludes with a summary of key concepts as well as review questions to reinforce your understanding.
This revision to the popular second edition is fully updated to include designs using new Catalyst products, references to the Catalyst 6500 Sup720, security updates throughout the entire book as well as added coverage of Dynamic Host Configuration Protocol (DHCP) snooping, Address Resolution Protocol (ARP) inspection, ARP throttling, revised metro coverage, and new discussions on voice virtual LANs (VLAN) and Rapid Spanning Tree Protocol (RSTP).
CCNP Self-Study: Building Cisco Multilayer Switched Networks (BCMSN), Third Edition, is part of a recommended learning path from Cisco Systems® that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.
Sample Content
Online Sample Chapter
CCNP Self-Study: Understanding and Configuring Multilayer Switching
Downloadable Sample Chapter
Download - 161 KB -- Chapter 9: Understanding and Configuring Multilayer Switching
Table of Contents
Chapter 1 Introduction to Building Cisco Multilayer Switched Networks
Hardware-Switching and Software-Switching Terminology
Multilayer Switching Overview
Understanding Layers 2, 3, 4, and 7 Switching Terminology
Layer 2 Switching In-Depth
Layer 3 Switching In-Depth
Multilayer Switching
Enterprise Composite Network Model for Building Cisco Multilayer Switched Networks
The Cisco AVVID Framework
Why Build Layer 3 Networks?
Enterprise Composite Network Model
Enterprise Campus
Enterprise Edge
Service Provider Edge
Introducing the Cisco Catalyst Switches
Catalyst 6500 Family of Switches
Catalyst 4500 Family of Switches
Catalyst 3550, 3560, and 3750 Family of Switches
Catalyst 2950, 2955, and 2970 Family of Switches
Study Tips
Summary
Review Questions
Chapter 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
Server Farm Module
Enterprise Edge
Case Study: Designing a Cisco Multilayer Switched Network
Study Tips
Summary
Review Questions
Chapter 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
Managing Catalyst Switch Configurations
Understanding the Cisco IOS File System (IFS) and Software Images on Catalyst Switches
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 a Switch via 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 Switch Name
Task 2: Configure Switch for IP Connectivity
Task 3: Configure Switch Usernames and Passwords for Privileged and In-Band Access
Task 4: Configure Switch for SSH and Disable Telnet Access
Task 5: Configure the Switch Time Settings, NTP Configuration, and System Logging Configuration
Task 6: Upgrade Switch Cisco IOS Version to a Later Release
Review Questions
Chapter 4 Implementing and Configuring VLANs
VLANs
Implementing VLANs in Campus Networks
Understanding the Role and Benefits of VLANs in the Multilay
Benefits of End-to-End and Local VLANs in Campus Networks
Static and Dynamic VLANs
VLAN Ranges
Configuring VLANs
Verifying the VLAN Configuration
Troubleshooting VLANs
Troubleshooting Slow Throughput
Troubleshooting Communication Issues
Private VLANs
VLAN Trunking
Implementing Trunking in Multilayer Switched Networks
Trunking Protocols
VLAN Ranges and Mappings
Service Provider—Managed VLAN Services
Cisco Trunking Modes and Methods
Configuring ISL and 802.1Q Trunking
Verifying Trunking Configurations
Troubleshooting Trunking
VLAN Trunking Protocol
VTP Pruning
VTP Versions
VTP Authentication
Configuring VTP
Verifying the VTP Configuration
Troubleshooting VTP
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
Chapter 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
Chapter 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
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
Chapter 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
Chapter 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
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
Chapter 9 Understanding and Configuring Multilayer Switching
Understanding Traditional MLS
Understanding CEF-Based MLS
Centralized and Distributed Switching
Address Resolution Protocol Throttling
Switching Table Architectures
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
CEF-Based MLS Troubleshooting Methodology
Study Tips
Summary
Configuration Exercise: Troubleshooting CEFBased 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
Chapter 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
Catalyst QoS Fundamentals
Classification
Marking
Traffic Conditioning: Policing and Shaping
Congestion Management
Congestion Avoidance
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 FastEthernet 0/1 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, 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 of 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
Chapter 11 Deploying Multicast in the Multilayer Switched Network
Introduction to Multicast
Multicast IP Address Structure
Multicast MAC Address Structure
Reverse Path Forwarding
Multicast Forwarding Tree
IP Multicast Protocols
PIM
IGMP
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
Chapter 12 Implementing High Availability Options in Multilayer Switches
Achieving High Availability in Multilayer Switches
Implementing Redundant Supervisor Engines in Catalyst Switches
Route Processor Redundancy
Route Processor Redundancy Plus
Stateful Switchover (SSO)
Configuring and Verifying SSO
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
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
Virtual Router Redundancy Protocol
VRRP Scenarios
Gateway Load Balancing Protocol
Cisco IOS Server Load Balancing
Cisco IOS SLB Modes of Operation
Configuring the Server Farm 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
Chapter 13 Introduction to Deploying Cisco IP Telephony
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
Chapter 14 Implementing Management and Data Plane Security Features on Cisco Catalyst Switches
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
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
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
Chapter 15 Introduction to the Catalyst Switching Architectures
Catalyst 6500
Catalyst 6500 Supervisor Engine I
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 3550
Catalyst 2950
Study Tips
Summary
Review Questions
Chapter 16 Designing, Building, and Connecting Cisco Multilayer Switched Networks Using Metro Solutions
Introduction to Cisco Metro Solutions
Metro Ethernet
Metro Ethernet Connectivity and Transport
Metro Ethernet over SONET
Metro Ethernet over Wave Division Multiplexing Optical Solutions
Optical Distance Challenges
Summary
Review Questions
Chapter 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
Monitoring Performance with RSPAN
Monitoring Performance Using VACLs with the Capture Option
Troubleshooting Using L2 Traceroute
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
Appendix A In-Depth Review of 802.3u and 802.3ad Auto-Negotiation
Appendix B Answers to Review Questions
Appendix C Introduction to Storage Networking (Only Available Online at ciscopress.com)
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Appendix
Download - 396 KB - Appendix C: Introduction to Storage Networking
Index
Download - 89 KB -- Index