Enterasys Networks 9034385 manual Figures, Tables

Page 7

	Unregistered Policy	5-28
Inline NAC Design Procedures		5-28
1.	Determine NAC Controller Location	5-28
2.	Determine the Number of NAC Controllers	5-30
3.	Identify Backend RADIUS Server Interaction	5-32
4.	Define Policy Configuration	5-32
	Failsafe Policy and Accept Policy Configuration	5-32
	Assessment Policy and Quarantine Policy Configuration	5-32
	Unregistered Policy	5-33
Additional Considerations		5-33
NAC Deployment With an Intrusion Detection System (IDS)		5-33
NAC Deployment With NetSight ASM		5-33

Figures

3-1	Intelligent Wired Access Edge with Enterasys Policy-Enabled Devices	3-2
3-2	Intelligent Wired Access Edge with RFC 3580 Capable Devices	3-3
3-3	Intelligent Wireless Access Edge - Thin APs with Wireless Switch	3-6
3-4	Intelligent Wireless Access Edge - Intelligent AP (RFC 3580 Compliant	3-7
3-5	Non-intelligent Access Edge (Wired and Wireless)	3-10
3-6	VPN Remote Access	3-12
4-1	Network with Intelligent Edge	4-3
4-2	Network with Non-Intelligent Edge	4-4
5-1	Security Domain	5-3
5-2	NAC Configuration	5-4
5-3	NAC Configuration for a Security Domain	5-6
5-4	MAC and User Override Configuration	5-13
5-5	NAC Gateway Redundancy	5-21
5-6	Policy Role Configuration in NetSight Policy Manager	5-26
5-7	Service for the Assessing Role	5-27
5-8	Service for the Quarantine Role	5-28
5-9	Layer 2 NAC Controller Redundancy	5-31
5-10	Layer 3 NAC Controller Redundancy	5-31

Tables

1-1	Component Requirements for NAC Deployment Models	1-4
1-2	Comparison of Appliance Functionality	1-7
1-3	Comparison of Appliance Advantages and Disadvantages	1-8
2-1	Component Requirements for Detection and Tracking	2-3
2-2	Component Requirements for Authorization	2-7
2-3	Component Requirements for Authorization with Assessment	2-12
2-4	Component Requirements for Authorization with Assessment and Remediation	2-15
2-5	Enterasys NAC Deployment Models	2-16
3-1	Use Scenario Summaries	3-13
5-1	Security Domain Configuration Guidelines	5-7
5-2	Security Domain Configuration Guidelines for Assessment	5-10
5-3	MAC Override Configuration Guidelines	5-14
5-4	End-System Limits for NAC Gateways	5-20
5-5	End-System Limits for NAC Controllers	5-30

v

Image 7

Contents Enterasys Page Page Page Contents Use Scenarios Design ProceduresDesign Planning Tables FiguresPage Related Documents Intended AudienceSupport@enterasys.com Getting HelpDetection NAC Solution OverviewAuthentication Key FunctionalityRemediation AuthorizationDeployment Models AssessmentModel 3 End-System Authorization with Assessment Model 2 End-System AuthorizationModel 1 End-system Detection and Tracking NAC Appliance NAC Solution ComponentsNAC Controller Appliance NAC Gateway ApplianceNAC Controller is available in two models NAC Gateway NAC Controller Appliance ComparisonDisadvantage Advantage NetSight NAC Manager NetSight ManagementRadius 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 Required and Optional Components Model 2 End-System AuthorizationInline NAC Device-Based Authorization Location-Based AuthorizationMAC Registration User-Based AuthorizationComponent 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 Use Scenarios Scenario 1 Intelligent Wired Access EdgeNAC Functions Policy-Enabled EdgeVLAN=Production RFC 3580 Capable EdgeScenario 1 Implementation Thin Wireless Edge Scenario 2 Intelligent Wireless Access EdgeRemediation Web User Laptop Thick Wireless Edge Scenario 2 Implementation Scenario 3 Non-intelligent Access Edge Wired and Wireless Layer 2 Wired LAN Scenario 3 Implementation Scenario 4 VPN Remote AccessScenario 4 Implementation VPN Remote Access EnterasysUse Scenario Summaries Summary and Appliance Requirements VPN remote access Identify the NAC Deployment Model Design PlanningIdentify the Intelligent Edge of the Network Survey the NetworkNetwork with Intelligent Edge Case #1 No authentication method is deployed on the network Evaluate Policy/VLAN and Authentication ConfigurationOverview of Supported Authentication Methods Case #2 Authentication methods are deployed on the networkEnd-System Capabilities Support of Multiple Authentication MethodsSupport for Multiple End-System Connection Authentication Considerations Authentication Support on Enterasys DevicesIdentify the Strategic Point for End-System Authorization Identify Network Connection Methods Wired LANWireless LAN Thick Wireless DeploymentsThin Wireless Deployments Remote Access WANSite-to-Site VPN Identify Inline or Out-of-band NAC Deployment Remote Access VPNSummary Identify Required NetSight Applications Procedures for Out-of-Band and Inline NACDefine Network Security Domains Security Domain NAC ConfigurationsNAC 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 MAC Overrides Identify Required MAC and User OverridesMAC and User Override Configuration Procedures for Out-of-Band and Inline NAC Procedures for Out-of-Band and Inline NAC User Overrides Determine the Number of Assessment Servers Assessment Design ProceduresDetermine Assessment Server Location Identify Assessment Server ConfigurationIdentify Network Authentication Configuration Out-of-Band NAC Design ProceduresDetermine the Number of NAC Gateways NAC Gateway Redundancy Determine NAC Gateway Location Determine End-System Mobility Restrictions Identify Backend Radius Server InteractionPolicy Role Configuration Vlan ConfigurationDefine NAC Access Policies Assessment Policy and Quarantine Policy Configuration Failsafe Policy and Accept Policy ConfigurationAssessment Policy Policy Role Configuration in NetSight Policy ManagerQuarantine Policy Service for the Assessing RoleDetermine 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