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200-301 Portable Command Guide
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TestPrep
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Lessons
27+ Lessons |
TestPrep
1
Introduction
- Private Addressing Used in This Course
- Who Should Read This Course
- Optional Sections
- Organization of This Course
2
IPv4 Addressing—How It Works
- What Are IPv4 Addresses Used For?
- What Does an IPv4 Address Look Like?
- Network and Subnetwork Masks
- Ways to Write a Network or Subnet Mask
- Network, Node, and Broadcast Addresses
- Classes of IPv4 Addresses
- Classless Addressing
- Lessons Learned
3
How to Subnet IPv4 Addresses
- Subnetting a Class C Network Using Binary
- Subnetting a Class B Network Using Binary
- Binary ANDing
4
Variable Length Subnet Masking (VLSM)
- IP Subnet Zero
- VLSM Example
5
Route Summarization
- Example for Understanding Route Summarization
- Route Summarization and Route Flapping
- Requirements for Route Summarization
6
IPv6 Addressing—How It Works
- IPv6: A Very Brief Introduction
- What Does an IPv6 Address Look Like?
- Reducing the Notation of an IPv6 Address
- Prefix Length Notation
- IPv6 Address Types
7
Cables and Connections
- Connecting a Rollover Cable to Your Router or Switch
- Using a USB Cable to Connect to Your Router or Switch
- Terminal Settings
- LAN Connections
- Serial Cable Types
- Which Cable to Use?
- ANSI/TIA Cabling Standards
8
The Command-Line Interface
- Shortcuts for Entering Commands
- Using the Tab Key to Complete Commands
- Console Error Messages
- Using the Question Mark for Help
- enable Command
- exit Command
- end Command
- disable Command
- logout Command
- Setup Mode
- Keyboard Help
- History Commands
- terminal Commands
- show Commands
- Using the Pipe Parameter ( | ) with the show or more Commands
- Using the no and default Forms of Commands
9
Configuring a Switch
- Help Commands
- Command Modes
- Verifying Commands
- Resetting Switch Configuration
- Setting Host Names
- Setting Passwords
- Setting IP Addresses and Default Gateways
- Setting Interface Descriptions
- The mdix auto Command
- Setting Duplex Operation
- Setting Operation Speed
- Managing the MAC Address Table
- Configuration Example
10
VLANs
- Creating Static VLANs
- Assigning Ports to VLANs
- Using the range Command
- Configuring a Voice VLAN
- Verifying VLAN Information
- Saving VLAN Configurations
- Erasing VLAN Configurations
- Configuration Example: VLANs
11
VLAN Trunking Protocol and Inter-VLAN Communication
- Dynamic Trunking Protocol (DTP)
- Setting the VLAN Encapsulation Type
- VLAN Trunking Protocol (VTP)
- Verifying VTP
- Inter-VLAN Communication Using an External Router: Router-on-a-Stick
- Inter-VLAN Communication on a Multilayer Switch Through a Switch Virtual Interface
- Inter-VLAN Communication Tips
- Configuration Example: Inter-VLAN Communication
12
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
- Enabling the Extended System ID
- Verifying STP
- Troubleshooting Spanning Tree Protocol
- Configuration Example: PVST+
- Spanning-Tree Migration Example: PVST+ to Rapid-PVST+
13
EtherChannel
- EtherChannel
- Configuration Example: EtherChannel
14
Cisco Discovery Protocol (CDP) and Link Layer Discovery Protocol (LLDP)
- Cisco Discovery Protocol
- Configuring CDP
- Verifying and Troubleshooting CDP
- CDP Design Tips
- Link Layer Discovery Protocol (802.1AB)
- Configuring LLDP (802.1AB)
- Verifying and Troubleshooting LLDP
15
Configuring a Cisco Router
- Router Modes
- Entering Global Configuration Mode
- Configuring a Router Name
- Configuring Passwords
- Password Encryption
- Interface Names
- Moving Between Interfaces
- Configuring a Serial Interface
- Assigning an IPv4 Address to a Fast Ethernet Interface
- Assigning an IPv4 Address to a Gigabit Ethernet Interface
- Assigning IPv6 Addresses to Interfaces
- Creating a Message-of-the-Day Banner
- Creating a Login Banner
- Mapping a Local Host Name to a Remote IP Address
- The no ip domain-lookup Command
- The logging synchronous Command
- The exec-timeout Command
- Saving Configurations
- Erasing Configurations
- The write Command
- Verifying Your Configurations Using show Commands
- EXEC Commands in Configuration Mode: The do Command
- Configuration Example: Basic Router Configuration
16
Static Routing
- Configuring an IPv4 Static Route
- Static Routes and Recursive Lookups
- The permanent Keyword
- Floating Static Routes in IPv4 and Administrative Distance
- Configuring an IPv4 Default Route
- Verifying IPv4 Static Routes
- Configuration Example: IPv4 Static Routes
- Configuring an IPv6 Static Route
- Floating Static Routes in IPv6
- Configuring an IPv6 Default Route
- Verifying IPv6 Static Routes
17
Open Shortest Path First (OSPF)
- OSPFv2 Versus OSPFv3
- Configuring OSPF
- Using Wildcard Masks with OSPF Areas
- Loopback Interfaces
- Router ID
- DR/BDR Elections
- Timers
- Verifying OSPFv2 Configurations
- Troubleshooting OSPFv2
- Configuration Example: Single-Area OSPF
18
DHCP
- Configuring a DHCP Server on an IOS Router
- Using Cisco IP Phones with a DHCP Server
- Verifying and Troubleshooting DHCP Configuration
- Configuring a DHCP Helper Address
- Configuring a DHCP Client on a Cisco IOS Software Ethernet Interface
- Configuration Example: DHCP
19
Network Address Translation (NAT)
- Private IP Addresses: RFC 1918
- Configuring Dynamic NAT: One Private to One Public Address Translation
- Configuring PAT: Many Private to One Public Address Translation
- Configuring Static NAT: One Private to One Permanent Public Address Translation
- Verifying NAT and PAT Configurations
- Troubleshooting NAT and PAT Configurations
- Configuration Example: PAT
20
Configuring Network Time Protocol (NTP)
- NTP Configuration
- NTP Design
- Securing NTP
- Verifying and Troubleshooting NTP
- Setting the Clock on a Router
- Using Time Stamps
- Configuration Example: NTP
21
Layer Two Security Features
- Setting Passwords on a Switch
- Configuring Static MAC Addresses
- Configuring Switch Port Security
- Configuring Sticky MAC Addresses
- Verifying Switch Port Security
- Recovering Automatically from Error-Disabled Ports
- Verifying Autorecovery of Error-Disabled Ports
- Configuring DHCP Snooping
- Configuring Dynamic ARP Inspection (DAI)
- Configuration Example: Switch Security
22
Managing Traffic Using Access Control Lists (ACLs)
- Access List Numbers
- Using Wildcard Masks
- ACL Keywords
- Creating Standard ACLs
- Applying Standard ACLs to an Interface
- Verifying ACLs
- Removing ACLs
- Creating Extended ACLs
- Applying Extended ACLs to an Interface
- The established Keyword
- The log Keyword
- Creating Named ACLs
- Using Sequence Numbers in Named ACLs
- Removing Specific Lines in Named ACLs Using Sequence Numbers
- Sequence Number Tips
- Including Comments About Entries in ACLs
- Restricting Virtual Terminal Access
- Tips for Configuring ACLs
- IPv6 ACLs
- Verifying IPv6 ACLs
- Configuration Examples: IPv4 ACLs
- Configuration Examples: IPv6 ACLs
23
Device Monitoring and Hardening
- Device Monitoring
- Configuration Backups
- Implementing Logging
- Device Hardening
24
Configuring and Securing a WLAN AP
- Initial Setup of a Wireless LAN Controller (WLC)
- Monitoring the WLC
- Configuring a VLAN (Dynamic) Interface
- Configuring a DHCP Scope
- Configuring a WLAN
- Defining a RADIUS Server
- Exploring Management Options
- Configuring a WLAN Using WPA2 PSK
Appendix A: How to Count in Decimal, Binary, and Hexadecimal
- How to Count in Decimal
- How to Count in Binary
- How to Count in Hexadecimal
- Representing Decimal, Binary, and Hexadecimal Numbers
Appendix B: How to Convert Between Number Systems
- How to Convert from Decimal to Binary
- How to Convert from Binary to Decimal
- How to Convert from Decimal IP Addresses to Binary and from Binary IP Addresses to Decimal
- How to Convert from Hexadecimal to Binary
- How to Convert from Binary to Hexadecimal
- How to Convert from Decimal to Hexadecimal
- How to Convert from Hexadecimal to Decimal
