Enterasys Networks 9034385 manual Policy-Enabled Edge, NAC Functions

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Scenario 1: Intelligent Wired Access Edge

within the same Quarantine VLAN because the authorization point is usually implemented at the exit point of the VLAN via Access Control Lists (ACLs).

Policy-Enabled Edge

The following figure illustrates how the NAC Gateway and the other Enterasys NAC components work together in a network with policy‐enabled edge switches to provide a comprehensive NAC solution.

Figure 3-1 Intelligent Wired Access Edge with Enterasys Policy-Enabled Devices

Enterasys

NAC Manager

Remediation

Web Page

Enterasys	5
Matrix/SecureStack	5	NAC Gateway
Switch		(out-of-band appliance)
		(out-of-band appliance)
5	1
3	4
	4

Policy Role=Quarantine

3 2

3

NAC Functions
NAC Functions
1	Detect
2	Authenticate
3	Assess
3	Assess
4	Authorize	Assessment				Authentication
5	Remediate		Server				Server
5	Remediate	(optionally integrated
		(optionally integrated

in NAC Gateway)

3-2 Use Scenarios

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Contents Enterasys Page Page Page Contents Use Scenarios Design ProceduresDesign Planning Figures TablesPage Intended Audience Related DocumentsGetting Help Support@enterasys.comNAC Solution Overview AuthenticationKey Functionality DetectionAuthorization Deployment ModelsAssessment RemediationModel 3 End-System Authorization with Assessment Model 2 End-System AuthorizationModel 1 End-system Detection and Tracking NAC Solution Components NAC ApplianceNAC Gateway Appliance NAC Controller ApplianceNAC Controller is available in two models Appliance Comparison NAC Gateway NAC ControllerDisadvantage Advantage NetSight Management NetSight NAC ManagerRadius Server SummaryAssessment Server Summary Summary Overview Implementation Model 1 End-System Detection and TrackingOut-of-Band NAC Inline NAC Layer Features and ValueEnd-System and User Tracking Model 2 End-System Authorization Required and Optional ComponentsInline NAC Location-Based Authorization Device-Based AuthorizationUser-Based Authorization MAC RegistrationComponent Requirements for Authorization Model 3 End-System Authorization with Assessment Inline NAC Extensive Security Posture Compliance Verification Diverse Security Posture Compliance Verification Component Requirements for Authorization with Assessment Implementation Self-Service Remediation Required and Optional Components Enterasys NAC Deployment Models Value Scenario 1 Intelligent Wired Access Edge Use ScenariosPolicy-Enabled Edge NAC FunctionsRFC 3580 Capable Edge VLAN=ProductionScenario 1 Implementation Scenario 2 Intelligent Wireless Access Edge Thin Wireless EdgeRemediation Web User Laptop Thick Wireless Edge Scenario 2 Implementation Scenario 3 Non-intelligent Access Edge Wired and Wireless Layer 2 Wired LAN Scenario 4 VPN Remote Access Scenario 3 ImplementationVPN Remote Access Enterasys Scenario 4 ImplementationUse Scenario Summaries Summary and Appliance Requirements VPN remote access Design Planning Identify the NAC Deployment ModelSurvey the Network Identify the Intelligent Edge of the NetworkNetwork with Intelligent Edge Evaluate Policy/VLAN and Authentication Configuration Case #1 No authentication method is deployed on the networkCase #2 Authentication methods are deployed on the network Overview of Supported Authentication MethodsEnd-System Capabilities Support of Multiple Authentication MethodsSupport for Multiple End-System Connection Authentication Support on Enterasys Devices Authentication ConsiderationsIdentify the Strategic Point for End-System Authorization Wired LAN Wireless LANThick Wireless Deployments Identify Network Connection MethodsThin Wireless Deployments Remote Access WANSite-to-Site VPN Remote Access VPN Identify Inline or Out-of-band NAC DeploymentSummary Procedures for Out-of-Band and Inline NAC Identify Required NetSight ApplicationsDefine Network Security Domains NAC Configurations Security DomainNAC Configuration Authorization NAC Configuration for a Security Domain Procedures for Out-of-Band and Inline NAC To the network Procedures for Out-of-Band and Inline NAC Procedures for Out-of-Band and Inline NAC Security Domain Configuration Guidelines for Assessment Identify Required MAC and User Overrides MAC OverridesMAC and User Override Configuration Procedures for Out-of-Band and Inline NAC Procedures for Out-of-Band and Inline NAC User Overrides Assessment Design Procedures Determine the Number of Assessment ServersIdentify Assessment Server Configuration Determine Assessment Server LocationOut-of-Band NAC Design Procedures Identify Network Authentication ConfigurationDetermine the Number of NAC Gateways NAC Gateway Redundancy Determine NAC Gateway Location Identify Backend Radius Server Interaction Determine End-System Mobility RestrictionsPolicy Role Configuration Vlan ConfigurationDefine NAC Access Policies Failsafe Policy and Accept Policy Configuration Assessment Policy and Quarantine Policy ConfigurationPolicy Role Configuration in NetSight Policy Manager Assessment PolicyService for the Assessing Role Quarantine PolicyDetermine NAC Controller Location Inline NAC Design ProceduresUnregistered Policy Inline NAC Design Procedures Determine the Number of NAC Controllers Layer 2 NAC Controller Redundancy Define Policy Configuration NAC Deployment With an Intrusion Detection System IDS Additional ConsiderationsNAC Deployment With NetSight ASM Additional Considerations Design Procedures