CCNP7 Switch



Cisco , cursos

Part I Designing Campus Networks


Chapter 1 Enterprise Campus Network Design


Hierarchical Network Design


Predictable Network Model

Access Layer

Distribution Layer

Core Layer


Modular Network Design


Sizing a Switch Block

Switch Block Redundancy

Network Core

Collapsed Core

Core Size in a Campus Network

Cisco Products in a Hierarchical Network Design


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

            TCAM Structure

            TCAM Example

            Port Operations in TCAM

From the Library of Outcast Outcast


Managing Switching Tables


CAM Table Operation

TCAM Operation

Managing Switching Table Sizes


Chapter 3 Switch Port Configuration


Ethernet Overview


Scaling Ethernet

            Fast Ethernet

            Gigabit Ethernet

            10-Gigabit Ethernet

            Beyond 10-Gigabit Ethernet

            Duplex Operation over Ethernet Links


Connecting Switches and Devices


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

            Detecting Error Conditions

            Automatically Recover from Error Conditions

Enable and Use the Switch Port

Troubleshooting Port Connectivity

            Looking for the Port State

            Looking for Speed and Duplex Mismatches


Discovering Connected Devices


Cisco Discovery Protocol

Link Layer Discovery Protocol


Using Power over Ethernet


How PoE Works

Detecting a Powered Device

Configuring PoE


Verifying PoE


Part II Building a Campus Network

Chapter 4 VLANs and Trunks


Virtual LANs


VLAN Membership

            Static VLANs

            Configuring Static VLANs

            Dynamic VLANs

Deploying VLANs

            End-to-End VLANs

            Local VLANs


VLAN Trunks


VLAN Frame Identification

            Inter-Switch Link Protocol

            IEEE 802.1Q Protocol

Dynamic Trunking Protocol


VLAN Trunk Configuration


Configuring a VLAN Trunk

Trunk Configuration Example

Troubleshooting VLANs and Trunks

Voice VLANs


Voice VLAN Configuration

Verifying Voice VLAN Operation


Wireless VLANs


Chapter 5 VLAN Trunking Protocol


VLAN Trunking Protocol


VTP Domains

VTP Modes

VTP Advertisements

VTP Synchronization


VTP Configuration


Configuring the VTP Version

Configuring a VTP Management Domain

Configuring the VTP Mode

VTP Configuration Example

VTP Status


VTP Pruning


Enabling VTP Pruning


Troubleshooting VTP


Part III Working with Redundant Links

Chapter 6 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

            Direct Topology Changes

            Indirect Topology Changes

            Insignificant Topology Changes


Types of STP


Common Spanning Tree

Per-VLAN Spanning Tree

Per-VLAN Spanning Tree Plus


Chapter 7 Spanning-Tree Configuration


STP Root Bridge


Root Bridge Placement

Root Bridge Configuration

Tuning the Root Path Cost

Tuning the Port ID


Tuning Spanning-Tree Convergence


Modifying STP Timers

            Manually Configuring STP Timers

            Automatically Configuring STP Timers


Redundant Link Convergence


PortFast: Access Layer Nodes

UplinkFast: Access Layer Uplinks

BackboneFast: Redundant Backbone Paths


Monitoring STP


Chapter 8 Protecting the Spanning Tree Protocol Topology


Protecting Against Unexpected BPDUs


Root Guard

BPDU Guard


Protecting Against Sudden Loss of BPDUs


Loop Guard



Using BPDU Filtering to Disable STP on a Port

Troubleshooting STP Protection


Chapter 9 Advanced Spanning Tree Protocol


Rapid Spanning Tree Protocol


RSTP Port Behavior


RSTP Convergence

            Port Types


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

            IST Instances

            MST Instances

MST Configuration


Chapter 10 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

Avoiding Misconfiguration with EtherChannel Guard


Troubleshooting an EtherChannel


Part IV Multilayer Switching

Chapter 11 Multilayer Switching


Inter-VLAN Routing


Types of Interfaces

Configuring Inter-VLAN Routing

            Layer 2 Port Configuration

            Layer 3 Port Configuration

            SVI Port Configuration

Multilayer Switching with CEF

            Traditional MLS Overview

            CEF Overview

            Forwarding Information Base

Adjacency Table

Packet Rewrite

Configuring CEF


Verifying Multilayer Switching


Verifying Inter-VLAN Routing

Verifying CEF


Chapter 12 Configuring DHCP


Using DHCP with a Multilayer Switch


Configuring an IPv4 DHCP Server

            Configuring a Manual Address Binding

            Configuring DHCP Options

            Configuring a DHCP Relay


Configuring DHCP to Support IPv6


Stateless Autoconfiguration


DHCPv6 Lite

Configuring a DHCPv6 Relay Agent

Verifying IPv6 DHCP Operation


Part V Monitoring Campus Networks

Chapter 13 Logging Switch Activity


Syslog Messages


Logging to the Switch Console

Logging to the Internal Buffer

Logging to a Remote Syslog Server


Adding Time Stamps to Syslog Messages


Setting the Internal System Clock

Using NTP to Synchronize with an External Time Source

Securing NTP

Using SNTP to Synchronize Time

Adding Time Stamps to Logging Messages


Chapter 14 Managing Switches with SNMP


SNMP Overview

Configuring SNMP


Configuring SNMPv1

Configuring SNMPv2C

Configuring SNMPv3


Chapter 15 Monitoring Performance with IP SLA


IP SLA Overview

Configuring IP SLA

Using IP SLA


Chapter 16 Using Port Mirroring to Monitor Traffic


Using Local SPAN


Local SPAN Configuration


Remote SPAN


Remote SPAN Configuration


Managing SPAN Sessions


Part VI Implementing High Availability

Chapter 17 Understanding High Availability


Leveraging Logical Switches



Virtual Switching System


Supervisor and Route Processor Redundancy


Redundant Switch Supervisors

Configuring the Redundancy Mode

Configuring Supervisor Synchronization

Nonstop Forwarding


Chapter 18 Layer 3 High Availability


Packet-Forwarding Review

Hot Standby Router Protocol


HSRP Router Election

Plain-Text HSRP Authentication

MD5 Authentication

Conceding the Election

HSRP Gateway Addressing

Load Balancing with HSRP


Virtual Router Redundancy Protocol

Gateway Load Balancing Protocol


Active Virtual Gateway

Active Virtual Forwarder

GLBP Load Balancing

Enabling GLBP


Verifying Gateway Redundancy


Part VII Securing Switched Networks

Chapter 19 Securing Switch Access


Port Security

Port-Based Authentication


802.1X Configuration

802.1X Port-Based Authentication Example


Using Storm Control


Chapter 20 Securing 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


Chapter 21 Preventing Spoofing Attacks


DHCP Snooping

IP Source Guard

Dynamic ARP Inspection


Chapter 22 Managing Switch Users


Configuring Authentication

Configuring Authorization

Configuring Accounting

Exam Preparation Tasks

From the Library of Outcast Outcast

Review All Key Topics

Complete Tables and Lists from Memory

Define Key Terms

Use Command Reference to Check Your Memory