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Part VII: Overlays and Virtualization
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Part VII: Overlays and Virtualization
by Scott Empson, Patrick Gargano
CCNP and CCIE Enterprise Core & CCNP Advanced Routing Portable Command Guide: All ENCOR (350-401) and ENARSI (300-410) Commands in One Compact, Portable Resource
Cover Page
About This eBook
Title Page
Copyright Page
Reader Services
Contents at a Glance
Table of Contents
About the Authors
About the Technical Reviewer
Dedications
Acknowledgments
Command Syntax Conventions
Introduction
Who Should Read This Book?
Strategies for Exam Preparation
How This Book Is Organized
Chapter 1. VLANs
Virtual LANs
Layer 2 Link Aggregation
Chapter 2. Spanning Tree Protocol
Spanning Tree Protocol Definition
Enabling Spanning Tree Protocol
Changing the Spanning-Tree Mode
Configuring the Root Switch
Configuring a Secondary Root Switch
Configuring Port Priority
Configuring the Path Cost
Configuring the Switch Priority of a VLAN
Configuring STP Timers
Configuring Optional Spanning-Tree Features
Configuring and Verifying Port Error Conditions
Enabling Rapid Spanning Tree
Rapid Spanning Tree Link Types
Enabling Multiple Spanning Tree
Verifying the Extended System ID
Verifying STP
Troubleshooting Spanning Tree Protocol
Configuration Example: PVST+
Spanning-Tree Migration Example: PVST+ to Rapid-PVST+
Chapter 3. Implementing Inter-VLAN Routing
Inter-VLAN Communication Using an External Router: Router-on-a-Stick
Inter-VLAN Communication Tips
Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface
Configuration Example: Inter-VLAN Communication
Configuration Example: IPv6 Inter-VLAN Communication
Chapter 4. EIGRP
Enhanced Interior Gateway Routing Protocol (EIGRP)
Enabling EIGRP for IPv4 Using Classic Mode Configuration
Enabling EIGRP for IPv6 Using Classic Mode Configuration
EIGRP Using Named Mode Configuration
EIGRP Named Mode Subconfiguration Modes
Upgrading Classic Mode to Named Mode Configuration
EIGRP Router ID
Authentication for EIGRP
Auto-Summarization for EIGRP
IPv4 Manual Summarization for EIGRP
IPv6 Manual Summarization for EIGRP
Timers for EIGRP
Passive Interfaces for EIGRP
“Pseudo” Passive EIGRP Interfaces
Injecting a Default Route into EIGRP: Redistribution of a Static Route
Injecting a Default Route into EIGRP: ip default-network
Injecting a Default Route into EIGRP: Summarize to 0.0.0.0/0
Accepting Exterior Routing Information: default-information
Equal-cost Load Balancing: maximum-paths
Unequal-cost Load Balancing: variance
EIGRP Traffic Sharing
Bandwidth Use for EIGRP
Stub Routing for EIGRP
EIGRP Unicast Neighbors
EIGRP Wide Metrics
Adjusting the EIGRP Metric Weights
Verifying EIGRP
Troubleshooting EIGRP
Configuration Example: EIGRP for IPv4 and IPv6 Using Named Mode
Chapter 5. OSPF
Comparing OSPFv2 and OSPFv3
Configuring OSPF
Configuring Multiarea OSPF
Using Wildcard Masks with OSPF Areas
Configuring Traditional OSPFv3
OSPFv3 Address Families
Authentication for OSPF
Optimizing OSPF Parameters
Propagating a Default Route
Route Summarization
OSPF Route Filtering
OSPF Special Area Types
Virtual Links
Verifying OSPF Configuration
Troubleshooting OSPF
Configuration Example: Single-Area OSPF
Configuration Example: Multiarea OSPF
Configuration Example: Traditional OSPFv3
Configuration Example: OSPFv3 with Address Families
Chapter 6. Redistribution and Path Control
Defining Seed and Default Metrics
Redistributing Connected Networks
Redistributing Static Routes
Redistributing Subnets into OSPF
Assigning E1 or E2 Routes in OSPF
Redistributing OSPF Internal and External Routes
Configuration Example: Route Redistribution for IPv4
Configuration Example: Route Redistribution for IPv6
Verifying Route Redistribution
Route Filtering Using the distribute-list Command
Route Filtering Using Prefix Lists
Using Route Maps with Route Redistribution
Manipulating Redistribution Using Route Tagging
Changing Administrative Distance
Path Control with Policy-Based Routing
Verifying Policy-Based Routing
Configuration Example: PBR with Route Maps
Cisco IOS IP SLA
PBR with Cisco IOS IP SLA
Chapter 7. BGP
Configuring BGP: Classic Configuration
Configuring Multiprotocol BGP (MP-BGP)
Configuring BGP: Address Families
Configuration Example: Using MP-BGP Address Families to Exchange IPv4 and IPv6 Routes
BGP Support for 4-Byte AS Numbers
BGP Timers
BGP and update-source
IBGP Next-Hop Behavior
EBGP Multihop
Attributes
Verifying BGP
Troubleshooting BGP
Default Routes
Route Aggregation
Route Reflectors
Regular Expressions
Regular Expressions: Examples
BGP Route Filtering Using Access Lists and Distribute Lists
Configuration Example: Using Prefix Lists and AS Path Access Lists
BGP Peer Groups
Authentication for BGP
Chapter 8. IP Services
Network Address Translation (NAT)
First-Hop Redundancy Protocols
Dynamic Host Control Protocol (DHCP)
Chapter 9. Device Management
Configuring Passwords
Password Encryption Algorithm Types
Boot System Commands
The Cisco IOS File System
Viewing the Cisco IOS File System
Commonly Used URL Prefixes for Cisco Network Devices
Deciphering IOS Image Filenames
Backing Up Configurations to a TFTP Server
Restoring Configurations from a TFTP Server
Backing Up the Cisco IOS Software to a TFTP Server
Restoring/Upgrading the Cisco IOS Software from a TFTP Server
Restoring the Cisco IOS Software Using the ROM Monitor Environmental Variables and tftpdnld Command
Secure Copy Protocol (SCP)
Disabling Unneeded Services
Useful Device Management Options
Chapter 10. Infrastructure Security
IPv4 Access Control Lists (ACLs)
Configuring and Applying Extended IPv4 ACLs
IPv6 ACLs
Implementing Authentication Methods
Control Plane Policing (CoPP)
Unicast Reverse Path Forwarding (uRPF)
Chapter 11. Network Assurance
Internet Control Message Protocol Redirect Messages
The ping Command
Examples of Using the ping and the Extended ping Commands
The traceroute Command
The debug Command
Conditionally Triggered Debugs
Configuring Secure SNMP
Implementing Logging
Configuring NetFlow
Configuring Flexible NetFlow
Verifying NetFlow
Implementing Port Mirroring
Configuring Network Time Protocol
Tool Command Language (Tcl)
Embedded Event Manager (EEM)
Chapter 12. Wireless Security and Troubleshooting
Authenticating Wireless Clients
Troubleshooting from the Wireless LAN Controller
Troubleshooting Wireless Client Connectivity
Chapter 13. Overlay Tunnels and VRF
Generic Routing Encapsulation (GRE)
Site-to-Site GRE over IPsec
Site-to-Site Virtual Tunnel Interface (VTI) over IPsec
Cisco Dynamic Multipoint VPN (DMVPN)
VRF-Lite
Appendix A. Create Your Own Journal Here
Index
Code Snippets
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Chapter 12. Wireless Security and Troubleshooting
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Chapter 13. Overlay Tunnels and VRF
Part VII: Overlays and Virtualization
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