Ch 01 Lan Design

8/3/2019 Ch 01 Lan Design

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LAN DesignLAN Design

Switched LAN ArchitectureSwitched LAN Architecture


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When building a LAN that satisfies the needs of a small orWhen building a LAN that satisfies the needs of a small ormediummedium--sized business, your plan is more likely to besized business, your plan is more likely to be

successful if asuccessful if a hierarchical design modelhierarchical design model is used.is used.

Divided into discrete layers.Divided into discrete layers.

Each layer has a specific purpose.Each layer has a specific purpose.

Becomes modularBecomes modular maintenance, performance.maintenance, performance.


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Access LayerAccess Layer

Interfaces with end devices.Interfaces with end devices.

Routers, switches, bridges, wireless access points.Routers, switches, bridges, wireless access points. Provides a means of connecting and controlling whichProvides a means of connecting and controlling which

devices are allowed to communicate on the network.devices are allowed to communicate on the network.


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Distribution LayerDistribution Layer

Aggregates (funnels) Access Layer traffic.Aggregates (funnels) Access Layer traffic.

Controls traffic flow with security or routing policies.Controls traffic flow with security or routing policies. Defines broadcast domains.Defines broadcast domains.

Routing of VLANs (Virtual LANs).Routing of VLANs (Virtual LANs).


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Core LayerCore Layer

High speed backboneHigh speed backbone of the network.of the network.

Must beMust be highly availablehighly available andand redundantredundant.. Must be capable ofMust be capable ofquickly forwarding large amountsquickly forwarding large amounts of data.of data.

Smaller networksSmaller networks collapsed model (Core and Distribution).collapsed model (Core and Distribution).


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Medium Sized BusinessMedium Sized Business

LogicalLogical

LayoutLayout

PhysicalPhysical

LayoutLayout


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Benefits of a Hierarchical NetworkBenefits of a Hierarchical Network

Benefits:Benefits:

ScalabilityScalability

RedundancyRedundancy

PerformancePerformance

ManageabilityManageability

MaintainabilityMaintainability


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ScalabilityScalability

Hierarchical Networks can be expanded easily.Hierarchical Networks can be expanded easily.


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RedundancyRedundancy

Redundancy at the core and distribution layersRedundancy at the core and distribution layers

ensure availability.ensure availability.


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PerformancePerformance

Link aggregation andLink aggregation and high performancehigh performance distribution and coredistribution and core

layer switches provide nearlayer switches provide near--wire speed at all layers.wire speed at all layers.


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SecuritySecurity

Port security at the access layer and policies at the distributionPort security at the access layer and policies at the distribution

layer make the network more secure.layer make the network more secure.


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ManageabilityManageability

ConfigurationsConfigurations

Consistency among switches at each layer makesConsistency among switches at each layer makes

management more simple.management more simple.

FunctionalityFunctionality

Rapid RecoveryRapid Recovery

Easier TroubleshootingEasier Troubleshooting


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MaintainabilityMaintainability

The modular design allows a network to scale easily withoutThe modular design allows a network to scale easily without

becoming overbecoming over--complicated or burdensome.complicated or burdensome.


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Principles of Hierarchical Network DesignPrinciples of Hierarchical Network Design

Just because a network is hierarchical, it doesnt mean itsJust because a network is hierarchical, it doesnt mean itswell designed.well designed.

Network Diameter:Network Diameter:

The number of devices that a packet has to crossThe number of devices that a packet has to cross

before it reaches its destination.before it reaches its destination.

Bandwidth Aggregation:Bandwidth Aggregation:

After the bandwidth requirements of the network areAfter the bandwidth requirements of the network are

known, links between specific switches can beknown, links between specific switches can be

aggregated or combined to provide higher bandwidth.aggregated or combined to provide higher bandwidth.

Redundancy:Redundancy: The practice of providing multiple paths to aThe practice of providing multiple paths to a

destination or multiple instances of a device.destination or multiple instances of a device.


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Network Diameter:Network Diameter:

For PC1 toFor PC1 to

communicatecommunicate

with PC3, thewith PC3, the

data mustdata must

raverseraverseintermediateintermediate

switches.switches.

In this case,In this case, the network diameter is 6the network diameter is 6..

Each switch introduces some latency.Each switch introduces some latency.

In a hierarchical network, network diameter is alwaysIn a hierarchical network, network diameter is always

going to be agoing to be a predictable number of hopspredictable number of hops between thebetween the

source and destination devices.source and destination devices.


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BandwidthBandwidthAggregation:Aggregation:

LinkLink

aggregationaggregation

allows multipleallows multiple

sw c por sw c por links to belinks to be

combined socombined so

as to achieve higher throughput between switches.as to achieve higher throughput between switches.

The determining factor is using link aggregation is theThe determining factor is using link aggregation is the

requirements of the user applications.requirements of the user applications.


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Redundancy:Redundancy:

Redundancy isRedundancy is

one part ofone part of

creating acreating a

highly availablehighly available

ne wor .ne wor .

Multiple linksMultiple links

betweenbetween

switches or multiple devices.switches or multiple devices.

It can get expensive and most likely will not be done onIt can get expensive and most likely will not be done on

the access layer because of the cost and variety ofthe access layer because of the cost and variety of

devices.devices.

It is feasible at the distribution and core layers.It is feasible at the distribution and core layers.


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What is a Converged Network?What is a Converged Network?

A Converged NetworkA Converged Network is one where voice and videois one where voice and videocommunications have been combined on a single datacommunications have been combined on a single data

network.network.

Legacy Equipment:Legacy Equipment:

Until now, mainly feasible on large enterpriseUntil now, mainly feasible on large enterprise

networks.networks.


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Advanced Technology:Advanced Technology:

More popular to medium and small sized businesses.More popular to medium and small sized businesses.

Can be a difficult decision considering currentCan be a difficult decision considering current

investments in technology.investments in technology.

Benefit:Benefit: Only one network to manage.Only one network to manage.


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New Options:New Options: You can now tie voice and video communications directlyYou can now tie voice and video communications directly

into an employee's personal computer system.into an employee's personal computer system.

Software integrated on a PC eliminates an expensiveSoftware integrated on a PC eliminates an expensive

handset.handset.

Add a webcam and video conference.Add a webcam and video conference.


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LAN DesignLAN Design

Matching Switches toMatching Switches toSpecific LAN FunctionsSpecific LAN Functions

Traffic Flow AnalysisTraffic Flow Analysis

User Community AnalysisUser Community Analysis

Data Stores and Data Servers AnalysisData Stores and Data Servers Analysis

Topology DiagramsTopology DiagramsSwitch FeaturesSwitch Features


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Considerations for Network SwitchesConsiderations for Network Switches

Traffic Flow Analysis:Traffic Flow Analysis: The process ofThe process of

measuring themeasuring the

bandwidth usagebandwidth usage

on a network andon a network and

ana yz ng e a a.ana yz ng e a a.

Performance tuning.Performance tuning.

Capacity planning.Capacity planning. Hardware improvement decisions.Hardware improvement decisions.


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User Community Analysis:User Community Analysis: The process of identifying various groupings of users andThe process of identifying various groupings of users and

their impact on network performance.their impact on network performance.


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Data Stores and Data Servers Analysis:Data Stores and Data Servers Analysis: When analyzing traffic on a network, consider the locationWhen analyzing traffic on a network, consider the location

of the data stores and data servers.of the data stores and data servers.

Consider bothConsider both clientclient--serverserverandand serverserver--serverservertraffic.traffic.


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Topology Diagram:Topology Diagram: A graphical representation of a network infrastructure.A graphical representation of a network infrastructure.

Switch connections with port numbers.Switch connections with port numbers.

Aggregated ports and redundant paths.Aggregated ports and redundant paths.

.. Could contain user information.Could contain user information.


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Switch FeaturesSwitch Features

Switch Form Factors:Switch Form Factors: When selecting a switch, you need to decide betweenWhen selecting a switch, you need to decide between

Fixed configuration or modular configuration.Fixed configuration or modular configuration.

Stackable or nonStackable or non--stackable.stackable.

depending upon where the switch will be installed.depending upon where the switch will be installed.

Wiring closet with limited space.Wiring closet with limited space.

Computer room with free standing racks.Computer room with free standing racks.

Shelf in a central area.Shelf in a central area.


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Fixed Configuration Switches:Fixed Configuration Switches: Fixed in their configuration.Fixed in their configuration.

YouYou cannot add features or optionscannot add features or options to the switch beyondto the switch beyond

those that originally came with the switch.those that originally came with the switch.


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Modular Switches:Modular Switches: Offer moreOffer more flexibilityflexibility..

Typically come withTypically come with different sized chassisdifferent sized chassis that allow forthat allow for

the installation of different numbers of modularthe installation of different numbers of modular line cardsline cards..

The line cards actuall contain the orts.The line cards actuall contain the orts.


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Stackable Switches:Stackable Switches: Interconnected using a specialInterconnected using a special backplane cablebackplane cable thatthat

provides highprovides high--bandwidth throughput between thebandwidth throughput between the

switches (Cisco StackWise).switches (Cisco StackWise).

The stacked switches effectivelyThe stacked switches effectively operate as a single,operate as a single,

larger switch.larger switch.

Desirable whenDesirable when fault tolerance and bandwidth availabilityfault tolerance and bandwidth availability

are criticalare critical and a modular switch is too costly toand a modular switch is too costly to

implement.implement.


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Switch PerformanceSwitch Performance

When selecting a switch for the access, distribution, or coreWhen selecting a switch for the access, distribution, or corelayer, consider the ability of the switch to support:layer, consider the ability of the switch to support:

Port Density.Port Density.

Forwarding Rate.Forwarding Rate.

Bandwidth A re ation Re uirements.Bandwidth A re ation Re uirements.


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Port Density:Port Density: Port density is the number of ports available on a singlePort density is the number of ports available on a single

switch.switch.

48 Port48 Port

Very high density.Very high density.

Catalyst 6500Catalyst 6500 -- 1,000 Ports1,000 Ports


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Forwarding Rate:Forwarding Rate: Defines the processing capabilities of a switch by ratingDefines the processing capabilities of a switch by rating

how much data the switch can process per second.how much data the switch can process per second.

If the switch forwarding rate is too low,If the switch forwarding rate is too low, it cannotit cannot

accommodate full wireaccommodate full wire--speedspeed communication across allcommunication across all

of its switch ports.of its switch ports.

A 48 port Gigabit switch is capable of switching 48A 48 port Gigabit switch is capable of switching 48

Gigabits of traffic.Gigabits of traffic.


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Forwarding Rate:Forwarding Rate: Access layer switches typically do not need to operate atAccess layer switches typically do not need to operate at

full wire speed because they are physically limited byfull wire speed because they are physically limited by

their uplinks to the distribution layer.their uplinks to the distribution layer.

Allows the use of:Allows the use of:

Less expensive, lower performing switches at theLess expensive, lower performing switches at the

access layeraccess layer..

More expensive, higher performing switches at theMore expensive, higher performing switches at the

distribution and core layersdistribution and core layers, where the forwarding rate, where the forwarding rate

makes a bigger difference.makes a bigger difference.


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Link Aggregation:Link Aggregation: As part of bandwidth aggregation, you should determineAs part of bandwidth aggregation, you should determine

if there are enough ports on a switch to aggregate toif there are enough ports on a switch to aggregate to

support the required bandwidth.support the required bandwidth.24 Port Gigabit24 Port Gigabit24 Port Gigabit24 Port Gigabit24 Port Gigabit24 Port Gigabit

Single PortSingle Port -- 1 Gigabit1 Gigabit

BOTTLE NECKBOTTLE NECK





p o por sp o por sbound together tobound together to

provide up toprovide up to

8 Gigabits.8 Gigabits.








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Power over Ethernet (PoE):Power over Ethernet (PoE): Allows the switch to deliver power to a device over theAllows the switch to deliver power to a device over the

existing Ethernet cabling.existing Ethernet cabling.

Adds considerable cost to the switch.Adds considerable cost to the switch.


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Layer 3 Functionality:Layer 3 Functionality: Switches typically operate at Layer 2 of the OSI Model.Switches typically operate at Layer 2 of the OSI Model.


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Switch FeaturesSwitch Features Hierarchical NetworkHierarchical Network

Access Layer Switch Features:Access Layer Switch Features:

Port SecurityPort SecurityLink AggregationLink Aggregation

VLANsVLANsFastEthernet/GigabitFastEthernet/Gigabit

PoEPoE

Quality of Service (QoS)Quality of Service (QoS)


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Distribution Layer Switch Features:Distribution Layer Switch Features:

Layer 3 SupportLayer 3 Support

High Forwarding RateHigh Forwarding Rate

Link AggregationLink Aggregation

Gigabit/10 GigabitGigabit/10 GigabitRedundant ComponentsRedundant Components


Security PoliciesSecurity Policies


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Core Layer Switch Features:Core Layer Switch Features:

Layer 3 SupportLayer 3 Support

Link AggregationLink Aggregation

Very High Forwarding RateVery High Forwarding Rate

Gigabit/10 GigabitGigabit/10 Gigabit

Redundant ComponentsRedundant Components



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SwitchesSwitches Small and Medium Business (SMB)Small and Medium Business (SMB)

Cisco has seven switch product lines. Each product lineCisco has seven switch product lines. Each product lineoffersoffers different characteristics and featuresdifferent characteristics and features, allowing you to, allowing you to

find the right switch to meet the functional requirements offind the right switch to meet the functional requirements of

your network.your network.

The Cisco switch product lines are:The Cisco switch product lines are:

Catalyst Express 500Catalyst Express 500

Catalyst 2960Catalyst 2960



Catalyst 4500Catalyst 4500 Catalyst 4900Catalyst 4900



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For Small and Medium Sized Business (SMB)For Small and Medium Sized Business (SMB)

The Catalyst Express 500 is Cisco's entryThe Catalyst Express 500 is Cisco's entry--layer switch. It offers:layer switch. It offers:Forwarding rates from 8.8Forwarding rates from 8.8 GbGb/s to 24/s to 24 GbGb/s/sLayer 2 port securityLayer 2 port securityWebWeb--based managementbased managementConverged data/IP communications supportConverged data/IP communications support

This switch series is appropriate for access layerThis switch series is appropriate for access layerimplementations where high port density is not required. Theimplementations where high port density is not required. The

Catalyst Express 500Catalyst Express 500

business environments ranging from 20 to 250 employees. Thebusiness environments ranging from 20 to 250 employees. TheCatalyst Express 500 series switches are available in differentCatalyst Express 500 series switches are available in differentfixed configurations:fixed configurations:

Fast Ethernet and Gigabit Ethernet connectivityFast Ethernet and Gigabit Ethernet connectivityUp to 24 10/100 ports with optionalUp to 24 10/100 ports with optional PoEPoE or 12 10/100/1000 portsor 12 10/100/1000 ports

Catalyst Express 500 series switches do not allow managementCatalyst Express 500 series switches do not allow managementthrough the Cisco IOS CLIthrough the Cisco IOS CLI. They are managed using a built. They are managed using a built--ininweb management interface, the Cisco Network Assistant or theweb management interface, the Cisco Network Assistant or thenew Cisco Configuration Manager developed specifically for thenew Cisco Configuration Manager developed specifically for the

Catalyst Express 500 series switches. The Catalyst ExpressCatalyst Express 500 series switches. The Catalyst Expressdoes not support console access.does not support console access.

To learn more about the Cisco Express 500 series of switches,To learn more about the Cisco Express 500 series of switches,go to http://www.cisco.com/en/US/products/ps6545/index.html.go to http://www.cisco.com/en/US/products/ps6545/index.html.


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The Catalyst 2960 series switches enable entryThe Catalyst 2960 series switches enable entry--layerlayerenterprise, mediumenterprise, medium--sized, and branch office networks tosized, and branch office networks toprovide enhanced LAN services.provide enhanced LAN services.

The Catalyst 2960 series switches are appropriate for accessThe Catalyst 2960 series switches are appropriate for accesslayer implementations where access to power and space islayer implementations where access to power and space islimited.limited.

The CCNA Exploration 3 LAN Switching and Wireless labs areThe CCNA Exploration 3 LAN Switching and Wireless labs arebased on the features of the Cisco 2960 switch.based on the features of the Cisco 2960 switch.


The Catalyst 2960 series switches offers the following:The Catalyst 2960 series switches offers the following:Forwarding rates from 16Forwarding rates from 16 GbGb/s to 32/s to 32 GbGb/s/sMultilayered switchingMultilayered switchingQoSQoS features to support IP communicationsfeatures to support IP communicationsAccess control lists (ACLs)Access control lists (ACLs)Fast Ethernet and Gigabit Ethernet connectivityFast Ethernet and Gigabit Ethernet connectivityUp to 48 10/100 ports or 10/100/1000 ports with additional dualUp to 48 10/100 ports or 10/100/1000 ports with additional dualpurpose gigabit uplinkspurpose gigabit uplinks

The Catalyst 2960 series of switches do not supportThe Catalyst 2960 series of switches do not support PoEPoE..

The Catalyst 2960 series supports the Cisco IOS CLI,The Catalyst 2960 series supports the Cisco IOS CLI,integrated web management interface, and Cisco Networkintegrated web management interface, and Cisco NetworkAssistant. This switch series supports console and auxiliaryAssistant. This switch series supports console and auxiliaryaccess to the switch.access to the switch.

To learn more about the Catalyst 2960 series of switches, visitTo learn more about the Catalyst 2960 series of switches, visithttp://www.cisco.com/en/US/products/ps6406/index.html.http://www.cisco.com/en/US/products/ps6406/index.html.


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The Cisco Catalyst 3560 series is a line of enterpriseThe Cisco Catalyst 3560 series is a line of enterprise--classclassswitches that include support forswitches that include support for PoEPoE,, QoSQoS, and advanced, and advancedsecurity features such as ACLs.security features such as ACLs.

These switches are ideal access layer switches for smallThese switches are ideal access layer switches for smallenterprise LAN access or branchenterprise LAN access or branch--office converged networkoffice converged networkenvironments.environments.

The Cisco Catalyst 3560 Series supports forwarding rates ofThe Cisco Catalyst 3560 Series supports forwarding rates of


-- .. The Catalyst 3560 series switches are available in differentThe Catalyst 3560 series switches are available in different

fixed configurations:fixed configurations:Fast Ethernet and Gigabit Ethernet connectivityFast Ethernet and Gigabit Ethernet connectivityUp to 48 10/100/1000 ports, plus four small formUp to 48 10/100/1000 ports, plus four small form--factorfactorpluggable (SFP) portspluggable (SFP) portsOptional 10 Gigabit Ethernet connectivity in the Catalyst 3560Optional 10 Gigabit Ethernet connectivity in the Catalyst 3560--EEmodelsmodelsOptional IntegratedOptional Integrated PoEPoE (Cisco pre(Cisco pre--standard and IEEE 802.3af);standard and IEEE 802.3af);up to 24 ports with 15.4 watts or 48 ports with 7.3 wattsup to 24 ports with 15.4 watts or 48 ports with 7.3 watts

To learn more about the Catalyst 3560 series of switches, visitTo learn more about the Catalyst 3560 series of switches, visithttp://www.cisco.com/en/US/products/hw/switches/ps5528/indhttp://www.cisco.com/en/US/products/hw/switches/ps5528/index.html.ex.html.


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The Cisco Catalyst 3750 series of switches are ideal for accessThe Cisco Catalyst 3750 series of switches are ideal for accesslayer switches in midsize organizations and enterprise branchlayer switches in midsize organizations and enterprise branchoffices.offices.

This series offers forwarding rates from 32This series offers forwarding rates from 32 GbGb/s to 128/s to 128 GbGb/s/s(Catalyst 3750(Catalyst 3750--E switch series).E switch series).

The Catalyst 3750 series supports CiscoThe Catalyst 3750 series supports Cisco StackWiseStackWisetechnology.technology. StackWiseStackWise technology allows you to interconnecttechnology allows you to interconnectup to nine physical Catalyst 3750 switches into one logicalup to nine physical Catalyst 3750 switches into one logical


sw c us ng a gsw c us ng a g --per ormanceper ormance s , re un an ,s , re un an ,backplane connection.backplane connection.

The Catalyst 3750 series switches are available in differentThe Catalyst 3750 series switches are available in differentstackable fixed configurations:stackable fixed configurations:

Fast Ethernet and Gigabit Ethernet connectivityFast Ethernet and Gigabit Ethernet connectivityUp to 48 10/100/1000 ports, plus four SFP portsUp to 48 10/100/1000 ports, plus four SFP portsOptional 10 Gigabit Ethernet connectivity in the Catalyst 3750Optional 10 Gigabit Ethernet connectivity in the Catalyst 3750--EEmodelsmodelsOptional IntegratedOptional Integrated PoEPoE (Cisco pre(Cisco pre--standard and IEEE 802.3af);standard and IEEE 802.3af);up to 24 ports with 15.4 watts or 48 ports with 7.3 wattsup to 24 ports with 15.4 watts or 48 ports with 7.3 watts

To learn more about the Catalyst 3750 series of switches, visitTo learn more about the Catalyst 3750 series of switches, visithttp://www.cisco.com/en/US/products/hw/switches/ps5023/indehttp://www.cisco.com/en/US/products/hw/switches/ps5023/index.html.x.html.


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The Catalyst 4500 is the first midrange modular switchingThe Catalyst 4500 is the first midrange modular switchingplatform offering multilayer switching for enterprises, smallplatform offering multilayer switching for enterprises, small-- totomediummedium--sized businesses, and service providers.sized businesses, and service providers.

With forwarding rates up to 136With forwarding rates up to 136 GbGb/s, the Catalyst 4500 series/s, the Catalyst 4500 seriesis capable of managing traffic at the distribution layer.is capable of managing traffic at the distribution layer.

The modular capability of the Catalyst 4500 series allows forThe modular capability of the Catalyst 4500 series allows forvery high port densities through the addition of switch port linevery high port densities through the addition of switch port linecards to its modular chassis.cards to its modular chassis.


..

The Catalyst 4500 series offers multilayerThe Catalyst 4500 series offers multilayer QoSQoS andandsophisticated routing functions.sophisticated routing functions.

The Catalyst 4500 series switches are available in differentThe Catalyst 4500 series switches are available in differentmodular configurations:modular configurations:

Modular 3, 6, 7, and 10 slot chassis offering different layers ofModular 3, 6, 7, and 10 slot chassis offering different layers ofscalabilityscalabilityHigh port density: up to 384 Fast Ethernet or Gigabit EthernetHigh port density: up to 384 Fast Ethernet or Gigabit Ethernetports available in copper or fiber with 10 Gigabit uplinksports available in copper or fiber with 10 Gigabit uplinksPoEPoE (Cisco pre(Cisco pre--standard and IEEE 802.3af)standard and IEEE 802.3af)

Dual, hotDual, hot--swappable internal AC or DC power suppliesswappable internal AC or DC power suppliesAdvanced hardwareAdvanced hardware--assisted IP routing capabilitiesassisted IP routing capabilities

To learn more about the Catalyst 4500 series of switches, visitTo learn more about the Catalyst 4500 series of switches, visithttp://www.cisco.com/en/US/products/hw/switches/ps4324/indehttp://www.cisco.com/en/US/products/hw/switches/ps4324/index.html.x.html.


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The Catalyst 4900 series switches are designed and optimizedThe Catalyst 4900 series switches are designed and optimizedfor server switching by allowing very high forwarding rates.for server switching by allowing very high forwarding rates.

The Cisco Catalyst 4900 is not a typical access layer switch. ItThe Cisco Catalyst 4900 is not a typical access layer switch. Itis a specialty access layer switch designed for data centeris a specialty access layer switch designed for data centerdeployments where many servers may exist in close proximity.deployments where many servers may exist in close proximity.

This switch series supports dual, redundant power supplies andThis switch series supports dual, redundant power supplies andfans that can be swapped out while the switch is still running.fans that can be swapped out while the switch is still running.This allows the switches to achieve hi her availabilit which isThis allows the switches to achieve hi her availabilit which is


,,critical in data center deployments.critical in data center deployments.

The Catalyst 4900 series switches support advancedThe Catalyst 4900 series switches support advanced QoSQoSfeatures, making them ideal candidates for the backfeatures, making them ideal candidates for the back--end IPend IPtelephony hardware. Catalyst 4900 series switches do nottelephony hardware. Catalyst 4900 series switches do notsupport thesupport the StackWiseStackWise feature of the Catalyst 3750 series norfeature of the Catalyst 3750 series nordo they supportdo they support PoEPoE..

The Catalyst 4900 series switches are available in differentThe Catalyst 4900 series switches are available in differentfixed configurations:fixed configurations:

Up to 48 10/100/1000 ports with four SFP ports or 48Up to 48 10/100/1000 ports with four SFP ports or 48

10/100/1000 ports with two 10GbE ports10/100/1000 ports with two 10GbE portsDual, hotDual, hot--swappable internal AC or DC power suppliesswappable internal AC or DC power suppliesHotHot--swappable fan traysswappable fan trays

To learn more about the Catalyst 4900 series of switches, visitTo learn more about the Catalyst 4900 series of switches, visithttp://www.cisco.com/en/US/products/ps6021/index.html.http://www.cisco.com/en/US/products/ps6021/index.html.


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The Catalyst 6500 series modular switch is optimized forThe Catalyst 6500 series modular switch is optimized forsecure, converged voice, video, and data networks.secure, converged voice, video, and data networks.

The Catalyst 6500 is capable of managing traffic at theThe Catalyst 6500 is capable of managing traffic at thedistribution and core layers. The Catalyst 6500 series is thedistribution and core layers. The Catalyst 6500 series is thehighest performing Cisco switch, supporting forwarding rates uphighest performing Cisco switch, supporting forwarding rates upto 720to 720 GbGb/s./s.

The Catalyst 6500 is ideal for very large network environmentsThe Catalyst 6500 is ideal for very large network environmentsfound in enter rises mediumfound in enter rises medium--sized businesses and servicesized businesses and service


,, ,,providers.providers.

The Catalyst 6500 series switches are available in differentThe Catalyst 6500 series switches are available in differentmodular configurations:modular configurations:

Modular 3, 4, 6, 9, and 13 slot chassisModular 3, 4, 6, 9, and 13 slot chassisLAN/WAN service modulesLAN/WAN service modulesPoEPoE up to 420 IEEE 802.3af Class 3 (15.4W)up to 420 IEEE 802.3af Class 3 (15.4W) PoEPoE devicesdevicesUp to 1152 10/100 ports, 577 10/100/1000 ports, 410 SFPUp to 1152 10/100 ports, 577 10/100/1000 ports, 410 SFPGigabit Ethernet ports, or 64 10 Gigabit Ethernet portsGigabit Ethernet ports, or 64 10 Gigabit Ethernet portsDual, hotDual, hot--swappable internal AC or DC power suppliesswappable internal AC or DC power supplies

Advanced hardwareAdvanced hardware--assisted IP routing capabilitiesassisted IP routing capabilities To learn more about the Catalyst 6500 series of switches, visitTo learn more about the Catalyst 6500 series of switches, visit

http://www.cisco.com/en/US/products/hw/switches/ps708/index.http://www.cisco.com/en/US/products/hw/switches/ps708/index.htmlhtml


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SwitchesSwitches Small and Medium Business (SMB)Small and Medium Business (SMB)

AccessAccess DistributionDistribution CoreCore

Bandwidth (Link) Aggregation

FastEthernet/Gigabit Ethernet

Gigabit Ethernet/10 Gigabit Ethernet

High Forwarding Rate

La er 3 Su ort

u u u

u

u u

u

u u

SummarySummary

Port Security

Power Over Ethernet (PoE)

Quality of Service (QoS)

Redundant Components

Security Policies/Access Control Lists

Very High Forwarding Rate

VLANs

u

u

u u u

u u

u

u

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Ch 01 Lan Design

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