D-Link DFL-200 manual Enable Dhcp Server, Enable Dhcp Relay, Disable Dhcp Server/Relayer

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Enable DHCP Server

To enable the DHCP Server on an interface, click on Servers in the menu bar, and then click DHCP Server below it.

Follow these steps to enable the DHCP Server on the LAN interface.

Step 1. Choose the LAN interface from the Available interfaces list.

Step 2. Enable by checking the Use built-in DHCP Server box.

Step 3. Fill in the IP Span, the start and end IP for the range of IP addresses that the DFL- 200 can assign.

Step 4. Fill in the DNS servers DHCP server will assigns to the clients, at least one should be provided. If the DNS relayer is configured the DHCP server can assign those.

Step 5. Optionally type in the WINS servers the DHCP server assigns to the clients.

Step 6. Optionally type in the domain that the DHCP server assigns to the clients.

Step 7. Choose for how long the DHCP server will give out leases before the client have to renew them.

Click the Apply button below to apply the setting or click Cancel to discard changes

Enable DHCP Relay

To enable the DHCP Relay on an interface, click on Servers in the menu bar, and then click DHCP Server below it.

Follow these steps to enable the DHCP Relayer on the LAN interface.

Step 1. Choose the LAN interface from the Available interfaces list.

Step 2. Enable by checking the Relay DHCP Requests to other DHCP server box.

Step 3. Fill in the IP of the DHCP Server; note that it should be on another interface then where the DHCP request is coming from, i.e. a server on the DMZ.

Click the Apply button below to apply the setting or click Cancel to discard changes

Disable DHCP Server/Relayer

To disable the DHCP Server on an interface, click on Servers in the menu bar, and then click DHCP Server below it. Here click on the interface that you want to disable the DHCP server or relayer on.

Follow these steps to disable the DHCP Server or Relayer on the LAN interface.

Step 1. Choose the LAN interface from the Available interfaces list.

Step 2. Disable by checking the No DHCP processing box.

Click the Apply button below to apply the setting or click Cancel to discard changes

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Contents Link DFL-200 Contents VPN Servers 111 122 125Features and Benefits Access Control supportedIntroduction Introduction to FirewallsIntroduction to Local Area Networking LEDs Physical ConnectionsPackage Contents System RequirementsResetting the DFL-200 Managing D-Link DFL-200Administration Settings Administrative AccessAdd ping access to an interface Add Admin access to an interfaceAdd Read-only access to an interface Enable Snmp access to an interfaceSystem InterfacesChange IP of the LAN or DMZ interface WAN Interface Settings Using Static IP WAN Interface Settings Using DhcpIP Address The IP address of the WAN interface. This is WAN Interface Settings Using PPPoE PasswordWAN Interface Settings Using Pptp WAN Interface Settings Using BigPond MTU ConfigurationPassword The password supplied to you by your ISP Routing Add a new Static Route Remove a Static RouteGo to System and Routing Logging Enable Logging Enable Audit LoggingEnable E-mail alerting for ISD/IDP events Page Time Using NTP to sync time Setting time and date manuallyChanging time zone Checking the Set the system time boxFirewall PolicyPolicy modes Action TypesService Filter Source and Destination FilterSchedule Intrusion Detection / Prevention Add a new policyConfigure Intrusion Detection Enable the Delete policy checkboxEnable the Intrusion Detection / Prevention checkbox Change order of policyConfigure Intrusion Prevention Port mapping / Virtual Servers Add a new mappingEnable the Delete mapping checkbox Delete mappingUsers DFL-200 Radius SupportEnable User Authentication via Http / Https Enable Radius SupportChange User Password Enable the Change password checkboxAdd User Enable the Delete user checkbox Delete UserSchedules Add new recurring scheduleServices Adding TCP, UDP or TCP/UDP ServiceGrouping Services Adding IP ProtocolProtocol-independent settings VPN Introduction to IPSecIntroduction to Pptp Introduction to L2TPPoint-to-Point Protocol Authentication Protocols MPPE, Microsoft Point-To-Point EncryptionAuthentication protocol L2TP/PPTP ClientsAuthentication Protocol Introduction chapter L2TP/PPTP ServersMppe encryption VPN between two networks Creating a LAN-to-LAN IPSec VPN TunnelVPN between client and an internal network Creating a Roaming Users IPSec VPN TunnelAdding a L2TP/PPTP VPN Client Adding a L2TP/PPTP VPN ServerVPN Advanced Settings Proposal Lists IKE Proposal ListIPSec Proposal List Certificates Trusting CertificatesLocal identities Certificates of remote peersIdentities Content Filtering Active content handlingEdit the URL Global Whitelist Edit the URL Global Blacklist Active content handling Dhcp Server Settings ServersEnable Dhcp Server Enable Dhcp RelayDisable Dhcp Server/Relayer Enable by checking the Use built-in Dhcp Server boxDNS Relayer Settings Enable DNS RelayerEnable by checking the Enable DNS Relayer box Disable DNS Relayer Tools PingAdd Dynamic DNS Settings Dynamic DNSPing Example Backup Exporting the DFL-200’s ConfigurationRestoring the DFL-200’s Configuration Restart/Reset Restarting the DFL-200Restoring system settings to factory defaults Page Upgrade Upgrade FirmwareUpgrade IDS Signature-database Status SystemCPU Load Interfaces VPN Connections Click Connections below it. a window willDhcp Server Logging How to read the logs Usage eventsDrop events Conn eventsOpen Example Close ExampleStep by step guides LAN-to-LAN VPN using IPsec LAN IP 192.168.4.1, Subnet maskEnable Automatically add a route for the remote network Remote Net 192.168.1.0/24LAN IP 192.168.1.1, Subnet mask Local net 192.168.1.0/24Remote Net 192.168.4.0/24 LAN-to-LAN VPN using Pptp Username BranchOffice Click Global policy parameters Settings for Main office Page Select Local database Under Users in local database click Add newPage LAN-to-LAN VPN using L2TP Username BranchOffice Check Use IPsec encryption Setup interfaces, System-Interfaces WAN IP193.0.2.20 Page Select Local database Under Users in local database click Add new More secure LAN-to-LAN VPN solution Page Page Settings for Main office Settings for the Windows XP client Windows XP client and Pptp serverSelect Connect to the network at my workplace and click Next Select Virtual Private Network connection and click Next Name the connection MainOffice and click Next 104 Select Do not dial the initial connection and click Next Page Click Properties Page Name the new user HomeUser Enter password Retype password Page Windows XP client and L2TP server 112 Settings for Main office Page Content filtering Firewall-Services Select HTTP/HTML Content Filtering in the ALG dropdownPage Page Intrusion detection and prevention Page Check Enable E-mail alerting for IDS/IDP events Appendixes Appendix a Icmp Types and CodesPage Appendix B Common IP Protocol Numbers ESPLimited Warranty What Is Not Covered Wichtige Sicherheitshinweise CE Mark Warning WarnungAdvertencia de Marca de la CE AttenzioneVcci Warning Offices Singapore D-LINK International 132

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