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Garmin HM210DP/DI manual Overview of DNS Relay, Configuring DNS Relay, Learned through PPP

Models: HM210DP/DI

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Configuring DNS Server Addresses

9.2Overview of DNS Relay

When you specify the HM210dp/di’s LAN port IP address as the DNS address, then the device automatically performs “DNS relay”; i.e. because the device itself is not a DNS server, it forwards domain name lookup requests it receives from the LAN PCs to a DNS server at the ISP. It then relays the DNS server’s response to the PC.

When performing DNS relay, the HM210dp/di must maintain the IP addresses of the DNS servers it contacts. It can learn these addresses in either or both of the following ways:

Learned through PPP;

If the device uses a PPP connection to the ISP, the primary and secondary DNS addresses can be learned via the PPP protocol. To use this method, the “Use DNS” checkbox must be selected in the PPP interface properties.

Using this option provides the advantage that you will not need to reconfigure the PCs or the HM210dp/di if the ISP changes their DNS addresses.

Configured on the HM210dp/di;

You can use the device’s DNS feature to specify the ISP’s DNS addresses. If the device also uses a PPP interface with the “Use DNS” property enabled, then these configured addresses will be used in addition to the two addresses learned through PPP. If “Use DNS” is not enabled, or if a protocol other than PPP is used (such as EoA), then these configured addresses will be used as the primary and secondary DNS addresses.

9.3Configuring DNS Relay

Follow these steps to configure DNS Relay:

1.Configure the LAN PCs as DHCP clients of the HM210dp/di.

2.Go to LAN > DHCP Server, enter the LAN IP address (e.g. 192.168.1.1) or 0.0.0.0 as the DNS address in the DHCP server pool.

By default, 0.0.0.0 is already set as the DNS of the DHCP pool.

3.Determine how the HM210dp/di will learn the DNS server address:

Option 1 – Using a PPP connection to learn the DNS

Use DNS must be enabled in the PPP interface properties. Go to Routing > PPP and check the PPP interface details:

EN/LZT 108 6492 R2 - October 2003

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Garmin HM210DP/DI manual Overview of DNS Relay, Configuring DNS Relay, Learned through PPP, Configured on the HM210dp/di

Contents

HM210dp/di ADSL ModemUser Guide Trademark List CopyrightDisclaimer AbstractIntroduction Hardware Description and InstallationLocal PC Configuration Getting Started with the Configuration ManagerConfiguring IP Routes Basic ConfigurationConfiguring DHCP Configuring DNS Server Addresses Configuring NATConfiguring RIP Viewing DSL Line Information Configuring Firewall SettingsAdministration Tasks TroubleshootingGlossary Page 1.2 About the ADSL Modem HM210d 1.2.1 Features1 Introduction 1.1 About this User Guide2.1 Before You Start Hardware Description and Installation2.1.1 Package Contents 2.1.2 Subscription for ADSL ServiceStatus/Description 2.2.1 Front Panel and LED Indicators2.2 Physical Appearance Label2.3 Choosing a Place for the Router 2.2.2 Back Panel and ConnectorsFigure 2 - Back Panel of the HM210dp/di to a hub/switch’s uplink port 2.4 Connecting the Hardware2. Connect to a PC or hub/switch to a single PC to a hub/switch192.168.1.1 Local PC Configuration3.1 Configuring PCs as DHCP Clients 3.1.1 In Windows 95, 98/98SE and Me3.1.3 In Windows XP 3.1.2 In Windows3.2.1 In Windows 95, 98/98SE and Me 3.2 Assigning Static IP Addresses to your PCs3.2.3 In Windows XP 3.2.2 In Windowshttp//192.168.1.1 Getting Started with the Configuration4.1 Accessing the Configuration Manager ManagerTask bar 4.2 Functional Layout4.2.1 Commonly Used Buttons and Icons Button / SymbolDescription 4.3 The Home Page and System View Table Device DSL WAN Interfaces LAN Interfaces Services Summary Table HeadingDescription 4.4 Commiting Changes and Rebooting Setting 4.4.1 Rebooting the HM210dp/di using OptionsDescription Getting Started with the Configuration Manager Reboot from Minimum ConfigurationEN/LZT 108 6492 R2 - October 4.5 Quick Configuration Enabled/Disabled FieldUse DHCP Default Route Gateway IP Address Username Password Use DNSPrimary/Secondary DNS Server Getting Started with the Configuration ManagerField Description5.1.1 Adding ATM VCs Basic Configuration5.1 Configuring the ATM Virtual Circuit 1. Select ATM ATM VC to display the ATM VC Configuration pageDescription FieldSelect a VC interface from the available interfaces, e.g. aal5-0 5.1.2 Modifying ATM VCs 5.2.1 Adding PPP Interfaces 5.2 Configuring PPP InterfacesPPP Interface FieldDescription This setting defines the type of firewallStart - To establish a connection whenever you turn on the HM210dp/di Status Protocol Service Name Use DHCP Use DNS Default RouteSecurity Information 5.2.2 Checking Your Connection StatusSelect PAP or CHAP as required by your ISP 5.2.3 Modifying and Deleteing PPP Interfaces 5.3.1 Adding EoA Interfaces 5.3 Configuring EoA InterfacesDescription This setting defines the type of firewallavailable for both public and in-network accesses FieldSelect an ATM VC interface previously created, e.g. aal5-0 EN/LZT 108 6492 R2 - October Basic ConfigurationField 5.4 Configuring IPoA Interfaces1. Select WAN IPoA to display the IPoA Configuration page 5.4.1 Adding IPoA InterfacesGateway IP Address Interface Sec Type Netmask RFC Use DHCP Default RouteEnable / Disable Enable / DisableBasic Configuration 5.4.2 Checking Your Connection Status5.5.1 Defining Bridge Interfaces 5.5 Bridging Connection Mode5.5.3 Deleting a Bridge Interface 5.5.2 Check Your Connection Status6.1 Overview of IP Routes Configuring IP Routes6.2 Viewing the IP Routing Table Displays and icon you can click to delete a route FieldDescription Destination Netmask NextHop IFName Route Type Route Origin Action6.3 Adding IP Routes DHCP Server 7 Configuring DHCP7.1 Overview of DHCP 7.2 DHCP ModesDHCP Relay Agent 7.3 Configuring DHCP ServerDHCP Client 7.3.1 Creating DHCP Server Address Pools Description FieldStart IP Address End IP Address Mac Address 7.3.2 Enabling DHCP Server Mode 7.3.4 Viewing, Modifying and Deleting Address Pools 7.3.3 Configuring Your PCs as DHCP Clients7.3.6 Viewing Current DHCP Address Assignments 7.3.5 Excluding IP Addresses from a PoolDescription 7.4 Configuring DHCP Relay7.4.1 Defining the DHCP Relay Interfaces Field7.4.2 Enabling DHCP Relay Mode 7.4.3 Configuring Your PCs as DHCP Clients 8.1 Overview of NAT 8 Configuring NATConfiguration page appears 8.2 Viewing NAT ConfigurationField Enable/Disable radio buttons, which allow you to turn on or off theDescription 8.3 Viewing NAT Rules and Rule Statistics The NAT Rule Configuration table displays a row containing basic information for each rule. For a description of these fields, refer to the instructions for adding rules in section 0 “Adding NAT Rules” Field 8.4 Viewing Current NAT TranslationsDescription Translated InAddress In Address Out Address In/Out Pckets In Ports FieldDescription NAT Direction Entry Age8.5.1 The NAPT Rule 8.5 Adding NAT Rules8.5.2 The RDR Rule 2. In the ”Rule Flavor” dropdown list, select RDR 8.5.3 The BASIC Rule 2. In the ”Rule Flavor” dropdown list, select BASIC 8.5.4 The FILTER Rule 2. In the ”Rule Flavor” dropdown list, select FILTER 8. Enter a “Destination Address From/To” … 8.5.5 The BIMAP Rule2. In the ”Rule Flavor” dropdown list, select NAPT 8.5.6 The PASS Rule 5. In the “Local Address From/To” fields, type the lowest and highest IP addresses that define the range of private addresses you want to be passed without translation Dynamically from a DHCP pool 9 Configuring DNS Server Addresses9.1 Assigning DNS Addresses Statically9.2 Overview of DNS Relay 9.3 Configuring DNS RelayConfigured on the HM210dp/di Option 1 - Using a PPP connection to learn the DNSConfiguring DNS Server Addresses Option 2 - Configuring DNS on the HM210dp/diEN/LZT 108 6492 R2 - October Configuring DNS Server Addresses Go to Service DNS to display the DNS Configuration page10.1 Overview of RIP 10 Configuring RIP1. Select Services RIP and the RIP Configuration page appears 10.2 Configuring the RIP10.3 Viewing RIP Statistics EN/LZT 108 6492 R2 - October Configuring RIP11.1 Global Firewall Settings 11 Configuring Firewall SettingsMax Half open TCP Conn FieldDescription Blacklist Status Blacklist Periodmin Attack Protection DOS Protectionformat, e.g. j.smith@onecompany.xom 11.2 Configuring IP Filters11.2.1 Viewing Your IP Filter Configuration 11.2.3 Creating IP Filter Rules 11.2.2 Configuring IP Filter Global Settings2. Enter or select data for each field that applies to your rule Configuring Firewall SettingsEN/LZT 108 6492 R2 - October Security Level Blacklist Status Log Tag FieldDescription Rule ID Action Direction Interface In Interface Log OptionStart/End Time Src IP Address Dest IP Address Protocol Enable if you configure a Log TagApply Stateful Inspection Yes The rule will be applied only to packets that contain fragments Source Port Dest Port TCP Flag ICMP Type ICMP Code IP Frag PktEnable Default The rule is in effect for the specified time period 11.2.3.1 IP Filter Rule Examples 11.2.4 Viewing IP Filter StatisticsSession Index 11.2.5 Managing Current IP Filter SessionsField Description11.3 Blocking Specific Protocols The following list describes each of the available protocols ProtocolDescription AppleTalk NetBEUI Field 12 Administration Tasks12.1 Changing the System Date and Time 1. Select Home Modify to display the System - Modify pageManager http//myrouter 12.2 Configuring User Names and Passwordshttp//myrouter.mydomain.com To add login User Id or change the login password, proceed as follows 12.3 Upgrading the Software 12.4 Using Diagnostics Select the VC on which you want to execute diagnostics and then click the Submit button 12.5.1 Accessing a Server with a Non-Standard Port Number 12.5 Modifying Port Settings12.6 Viewing System Alarms Viewing DSL Line Information 13 Viewing DSL Line InformationYou can click the Clear button to reset all counters to zero, and the The DSL Statistics page reports error data relating to the last 15 minutes interval, the current day, and the previous day 14.1 TroubleshootingIndication/Symptom Troubleshooting SuggestionIndication/Symptom 14.2 Internet AccessTroubleshooting Suggestion Indication/Symptom 14.3 Configuration Manager Program14.4 Diagnosing Problem Using IP Utilities 14.4.1 How to use WINIPCFG14.4.2 How to use IPCONFIG 14.4.3 How to use PING 15 Important Information 15.1 Product Care and Maintenance15.2.2 Term 15.2.3 Limited Warranty15.2 License Agreement 15.2.1 License15.2.5 Limitation of Liability 15.2.4 Intended Use15.2.6 Governing Law 15.3.1.1 Declaration of Conformity 15.3.2 Safety Approvals15.3 Regulatory Information 15.3.1 EU Directives15.3.2.1 UL 1950 Statement 15.3.3 EMC Approvals15.3.3.1 FCC Part 15 Statement 15.3.4.1 FCC Part 68 Statement 15.3.4 Telecom ApprovalFor EU 15.3.6 Power Supply15.3.5 Caution 15.3.7 Environmental InformationEN/LZT 108 6492 R2 - October 15.3.8 Intended UseThe HM210dp/di is intended for indoor public and private use Important InformationBridging Authenticate16 Glossary ADSLDevice BroadbandBroadcast CHAPEthernet Domain nameDownstream EncapsulationG.lite FirmwareGateway G.dmtIGMP HostHTTP ICMPNAT rule MAC addressPOTS PacketPING PortSNMP RemoteRouting SDNSTFTP T1.413TCP/IP TelnetVPI and VCI Upstream