Mtu, MTU size | Planet Technology VRT-401 guide

VRT-401 User Manual

MTU

MTU size	MTU (Maximum Transmission Unit) value should only be
	changed if advised to do so by Technical Support.
	∙ Enter a value between 1 and 1500.
	∙ This device will still auto-negotiate with the remote server, to
	set the MTU size. The smaller of the 2 values (auto-
	negotiated, or entered here) will be used.
	∙ For direct connections (not PPPoE or PPTP), the MTU used
	is always 1500.

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Planet Technology VRT-401 user manual Mtu, MTU size

Contents

Broadband VPN Router Copyright Table of Contents 106 Using Certificates 101Remote Administration 111 107 VRT-401 Features Internet Access Features Security Features LAN FeaturesConfiguration & Management Advanced Internet Functions Package Contents Physical Details Front-mounted LEDs To Clear All Data and restore the factory default values Rear Panel Requirements ProcedureChoose an Installation Site Connect LAN Cables Connect WAN Cable Using the DMZ PortPower Up Check the LEDs Overview To Do this Refer to Using your Web Browser Configuration ProgramUsing UPnP Preparation Password Dialog If you cant connect Cable Modems Config WizardCommon Connection Types DSL Modems Other Modems e.g. Broadband Wireless Big Pond Cable AustraliaSingTel RAS Home Screen Navigation & Data Input LAN Screen Data LAN Screen To Configure your PCs to use Dhcp Using VRT-401’s Dhcp ServerUsing another Dhcp Server What Dhcp Does TCP/IP Settings Overview Windows Clients Checking TCP/IP Settings Windows 9x/ME Using DhcpUsing Specify an IP Address Gateway Tab Win 95/98 Checking TCP/IP Settings Windows NT4.0 Windows NT4.0 TCP/IP Obtain an IP address from a Dhcp Server Specify an IP Address Windows NT4.0 Add Gateway Windows NT4.0 DNS Checking TCP/IP Settings Windows Network Configuration Win Using a fixed IP Address Use the following IP Address TCP/IP Properties Win Checking TCP/IP Settings Windows XP Network Configuration Windows XP TCP/IP Properties Windows XP For Windows 9x/ME/2000 Internet AccessAccessing AOL For Windows XP Other Unix Systems Macintosh ClientsLinux Clients Fixed IP Address Operation Status Screen Data Status Screen Connection Physical Address Connection Status PPPoEData PPPoE Screen PPPoE Link Status Connection Log Messages Operation and Status Connection Physical Ad Connection Status PptpData Pptp Screen Dress Connection Status Telstra Big Pond Data Telstra Big Pond Screen Connection Details SingTel RAS Connection Status Data SingTel RAS Screen Connection Details Fixed/Dynamic IP Address Data Fixed/Dynamic IP address ScreenInternet Physical Ad Buttons Release/Renew Advanced Internet Screen Internet Screen Communication Applications Special ApplicationsSpecial Applications Screen Using a Special Application Data Special Applications ScreenCheckbox Name Incoming Ports Outgoing Ports DMZ URL Filter URL Filter Screen Data URL Filter Screen Service works as follows Dynamic DNS Domain Name ServerDynamic DNS Screen Data Dynamic DNS Screen Ddns ServicePassword Domain Name Ddns Data User Name Virtual Servers IP Address seen by Internet Users Using the DMZ port for Virtual Servers Virtual Servers ScreenData Virtual Servers Screen Options Connecting to the Virtual ServersBackup DNS IP Address Defining your own Virtual Servers MTU MTU size Admin Login Admin Login Screen Password Dialog Access Control Access Control ScreenTo use this feature Data Access Control Screen View Log Access Control Log Group Members Screen Security Configuration This feature is for advanced administrators only Firewall RulesFirewall Rules Screen Data Firewall Rules Screen Type Define Firewall RuleData Define Firewall Rule Screen Source IP Dest IP ActionLog Data Logs Screen Enable Logs DoS AttacksLogs Internet Connec Firewall Rules Access ControlSyslog Server Enable Syslog Timezone Include Data Security Options Screen SPI Firewall Enable DoSSecurity Options Firewall Allow Pptp Options Respond toAllow IPsec Allow L2TP Scheduling Define Schedule ScreenData Define Schedule Screen Services Data Services Screen Buttons Delete VRT-401 does not support Transport Mode VRT-401 always uses Tunnel ModeIPSec VPN Configuration Policies Common VPN Situations VPN Pass-throughClient PC to VPN Gateway Connecting 2 LANs via VPN Connecting 2 VPN Gateways VPN Configuration VPN Policies ScreenData VPN Policies Screen Able/Disable Copy Adding a New PolicyOperations Add Endpoint General SettingsEnable Policy Keys VPN Wizard Traffic Selector Local IP addresses Type Remote IP addresses Type Manual Key Exchange ESP Encryption Tication is enabledManually assigned Keys ESP Authentica IKE Phase Local IdentityRemote Identity IKE Exchange AuthenticationEncryption Mode Time IKE Phase 2 IPsec SA IPsec SA LifeAH Authentication IPSec PFS Setting LAN a Gateway LAN B Gateway Example 1 Connecting 2 VRT-401sConfiguration Settings Examples DES IPSec SA Parameters VRT-401 Configuration Setting ValueExample 2 Windows 2000/XP Client to LAN Windows Client Configuration Windows 2000/XP Local Security Settings Windows 2000/XP Policy Properties Filter Properties Addressing New Rule Properties Filter Action VPN Setting Windows Setting Modify Security Method Tunnel Setting Windows 2000/XP Client to VRT-401 Filter List Filter Action Modify Security Method DUT to Win2K Properties Properties General Tab Key Exchange Security Methods IKE Security Algorithms Setting Single Client Server/Gateway Example 3 Windows 2000 Server to VPN Gateway Windows 2000 Server Configuration Windows 2000 Server Addressing Using Certificates Adding a Trusted Certificate Adding a Self Certificate Signature Key Hash AlgorithmSignature Algorithm Length CRLs To add a New CRL Upload CRL PC Database Administra Tion RoutingUpgrade Remote PC Database PC Database Screen Data PC Database Screen PC Database Admin Data PC Database Admin ScreenPC Properties Name Buttons Add as New Update Se∙ Dchp Client Reserved IP Address Select this if the PC Entry Remote Administration Data Remote Administration ScreenTo connect from a remote PC via the Internet Overview Using this ScreenRouting Routing Screen Enable RIP Data Routing ScreenStatic Routing Static Routing Table Entries Configuring Other Routers on your LAN Local Router Other Routers on the Local LAN For Router As Default RouteStatic Routing Example For VRT-401’s Routing Table Firmware Upgrade For Router Bs Default RouteTo perform the Firmware Upgrade Data Upnp Screen General Problems Internet AccessProblem 1 Cant connect to VRT-401 to configure it 119 VRT-401 FCC Statement CE Marking Warning FCC Radiation Exposure Statement