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ZyXEL Communications 28641 user manual 7 TCP/IP Configuration, IP Subnet Mask

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7 TCP/IP Configuration

This chapter shows you how to configure the Prestige for TCP/IP. Depending on your particular applications, you will need to configure different menus. For instance, Internet access is the most common application of TCP/IP. For this application, you should configure Menu 4. We will illustrate the configuration for other applications in the following sections.

IP Subnet Mask

A subnet mask is a 32-bit quantity that, when logically ANDed with an IP address, yields the network number. For instance, the subnet masks for class A, B and C without subnetting are 255.0.0.0, 255.255.0.0 and 255.255.255.0, respectively.

To create more network numbers, you shift some bits from the host ID to the network ID. For instance, to partition a class C network number 192.68.135.0 into two, you shift 1 bit from the host ID to the network ID. Thus the new subnet mask will be 255.255.255.128; the first subnet will have network number 192.68.135.0 with hosts 192.68.135.1 to 129.68.135.126 and the second subnet will have network number 192.68.135.128 with hosts 192.68.135.129 to 192.68.135.254.

It is recommended that you use the same subnet mask for all physical networks that share an IP network number. The table below lists the additional subnet mask bits in dot decimal notations. To use to following table, write down the original subnet mask and substitute the higher order 0s with the dot decimal of the additional subnet bits. For instance,

TCP/IP Configuration 71

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ZyXEL Communications 28641 user manual 7 TCP/IP Configuration, IP Subnet Mask

Contents

ZyXEL ACCESSING THE INTERNET & INTRANETPrestige User’s Manual VersionZyXEL Limited Warranty Acknowledgments Copyright 1997 by ZyXELFCC Part 15 Information Information for Canadian Users Page ∙ E-mail Contacting ZyXEL∙ FTP Information , such as ZyXEL software and ROM updates for 1 Introduction Contents2 Before You Begin 3 Installation5 Remote Node Configuration 4 Configuring for Internet Access6 Dial-In Configuration 7 TCP/IP Configuration10 Filter Configuration 9 Bridging Configuration11 SNMP 12 System Security14 System Maintenance 13 Telnet Configuration and Capabilities15 Troubleshooting 17 Index 16 ISDN Switch TypesProblems with the LAN Interface Provisioning For U.S. SwitchesPage Ease of Installation Features1 Introduction Built-in V.34 Modem ISDN Basic Rate Interface BRIMultiple Networking Protocol Support Standard Phone JackDHCP Support Dynamic Host Configuration Protocol RADIUS Remote Authentication Dial In User ServiceBandwidth On Demand Full Network ManagementApplications For Your Prestige Internet AccessCall Control Data CompressionMultiprotocol LAN-to-LAN Connection What This Manual CoversTelecommuting Server Mobile Users with V.34 ModemsOther Resources What This Manual Doesn’t CoverPacking List Additional Installation Requirements∙ No parity, 8 Data bits, 1 Stop bit ∙ VT100 terminal emulation ∙ 9600 Baud rate8 Introduction Road Map and Flow 2 Before You BeginOrdering Your ISDN Line Completing the WorksheetCollecting General Setup Information Switch Type Collecting ISDN Phone Line InformationGeography No of Phone #s∙ B Channel Usage - Determine which connection is appropriate for your B channel and check the corresponding option on the worksheet 14 Before You Begin Collecting Ethernet Setup InformationNumber of Host IDs IP Subnet MaskNumber of Bits Before You BeginISDN Setup Information General Setup InformationPrestige Setup and Installation Worksheet 16 Before You BeginDSS1 ISDN North America ISDN∙ 1st Telephone Number ∙ Analog Call check one∙ A/B Adapter Number & Subaddress 1TR6 ISDN∙ Outside Line Prefix Number ∙ PBX Number S/T Bus NumberEAZ Don’t Care Ethernet Setup InformationModem A/B Ignore AUI UTP20 Before You Begin Figure 3-1 Rear Panel Diagram 3 InstallationInstallation Connecting the RS-232 Cable to your Prestige Connecting Your Computer and Your PrestigeConnecting an ISDN Line to your Prestige A Warning On Connection CablesConnecting an Ethernet Cable to your Prestige Connecting a Telephone/Fax to your Prestige∙ UTP Prestige Front Panel Connecting a Power Adapter to your PrestigeAA - This LED auto answer indicates when auto answer is turned on Figure 3-3 Power on Messages Powering On Your PrestigeFigure 3-4 Login Screen Navigating Through the System Management Terminal Interface System Management Terminal Interface Summary Installation General SetupMenu Title Description30 Installation Figure 3-6 Menu 1 - General SetupNorth American ISDN ISDN Setup32 Installation DSS1 & 1TR6 ISDN 34 Installation Page General Ethernet Setup Ethernet SetupFigure 3-11 Menu 3.1 - General Ethernet Setup TCP/IP Ethernet Setup and DHCP38 Installation Figure 3-12 Menu 3.2 - TCP/IP Ethernet SetupPage Bridge Ethernet Setup Novell IPX Ethernet SetupRefer to the chapter on Novell IPX configuration Refer to the chapter on Bridging configuration4 Configuring for Internet Access Figure 4-1 Internet Access IP Addresses and the InternetInternet Access Configuration 5. My Login Name - Enter the login name given to you by your ISP ∙ Modem - The Prestige will place Modem data calls 46 Configuring for Internet Access Single User AccountIn summary Configuring Backup ISP Accounts Configuration for Single User Account2. Enter Menu 11, then select the number of an unused remote node 50 Configuring for Internet Access 5 Remote Node Configuration 52 Remote Node Configuration Figure 5-1 Menu 11 - Remote Node SetupFigure 5-2 Menu 11.1 - Remote Node Profile Page ∙ PAP sends the user name and password in plain text if available. Once connected, the Prestige will use the BACP Bandwidth Allocation Control Protocol to establish the second B- channel if Multilink PPP is enabled, and the Remote Node supports MP and BACP 56 Remote Node Configuration Bandwidth on Demand 58 Remote Node Configuration Editing PPP Options ∙ 64 - At most one channel can be used 60 Remote Node Configuration∙ 128 - A maximum of two channels can be used Dial-In Configuration 6 Dial-In ConfigurationDial-In Server Application TelecommutingFigure 6-1 Example of Remote User Telecommuter Figure 6-2 Example of a Dial-In Server Application Default Dial-In Setup∙ None - No CLID is required 3. PPP Options Mutual Authen. - Some vendors, e.g. Cisco, implement a type of mutual authentication. That is, the node that initiates the call will request a user name and password from the far end that they are dialing to. If the Remote Node that is dialing in implements this type of authentication, set this field to Yes 11. IP Pool IP Start Addr - This field is active only if you selected Dial-In Users Setup 68 Dial-In Configuration Figure 6-4 Menu 14 - Dial-in User SetupFigure 6-5 Menu 14.1 - Edit Dial-in User 3. Password - Enter the password for the Remote Dial-in User More on CLID IP Subnet Mask 7 TCP/IP Configuration72 TCP/IP Configuration LAN-to-LAN ApplicationRemote Node Setup 5. Rem IP Subnet Mask - Enter the subnet mask for the remote network Static Route Setup Figure 7-4 Static Routing Example 76 TCP/IP ConfigurationFigure 7-6 IP Static Route Setup Figure 7-5 Menu 12 - Static Route Setup - Main Menu78 TCP/IP Configuration IPX Network Environment 8 Novell IPX ConfigurationFrame Type Network NumbersPrestige on LAN without Server Prestige on LAN with ServerFigure 8-1 Prestige Operating in IPX Environment IPX Spoofing IPX Ethernet Setup∙ ∙ ∙ Ethernet ∙ SNAP LAN-to-LAN Application Remote Node SetupFigure 8-3 LAN-to-LAN application 1. Route - Make sure IPX is among the protocols in the Route field Static Route Setup Figure 8-5 NetWare Servers on Both Sides of the Link 86 Novell IPX ConfigurationFigure 8-6 Menu 12.2 - Edit IPX Static Route 88 Novell IPX Configuration Bridge Ethernet Setup 9 Bridging ConfigurationBridging Configuration IPX Spoofing∙ If it is set to None, nothing is done to IPX traffic LAN-to-LAN Application Remote Node SetupIPX. Set it to Client if there are only client workstations on the Figure 9-2 Remote Node Bridging Configuration Default Dial-In Setup for BridgeFigure 9-3 Menu 12.4 - Bridge Static Route Bridge Static Route Setup94 Bridging Configuration About Filtering 10 Filter ConfigurationPrestige’s Filter Structure Configuring a Filter Set96 Filter Configuration ∙ # - Refers to the filter rule number ∙ Pr - Protocol ∙ SA - Source Address ∙ SP - Source Port number TCP/IP Filter Rule Configuring a Filter Rule∙ Yes ∙ No ∙ None ∙ Less ∙ Greater ∙ Equal ∙ Not Equal 102 Filter Configuration Figure 10-5 Menu 21.1.1 - Generic Filter Rule Generic Filter Rule104 Filter Configuration Novell IPX Filter Rule∙ None ∙ RIP Request ∙ RIP Response ∙ SAP Request ∙ SAP Response 11 SNMP Configuring Your Prestige For SNMP SupportAbout SNMP 108 SNMP Figure 11-1 Menu 22 - SNMP Configurationleave the field blank default, then the Prestige will respond to all SNMP messages it receives, regardless of origin 110 SNMP Installing a RADIUS Server Using RADIUS Authentication12 System Security Configuring the Prestige for RADIUS Authentication # Client Name Adding Users to the RADIUS Database Using RADIUS Authentication for CLIDConfiguring the SMT Password 116 System Security About Telnet Configuration 13 Telnet Configuration and CapabilitiesSystem Timeout Single AdministratorTelnet Capabilities System Status 14 System Maintenance2. From this menu, select option 1. System Status 10. Error - the number of error packets on this channel Figure 14-3 LAN Packet Which Triggered Last Call Terminal Baud RateLog and Trace View Error LogSyslog And Accounting Diagnostic 126 System Maintenance Figure 14-6 Menu 24.4 - System Maintenance - Diagnosticworking properly, the test will succeed. Otherwise, note the error message that you receive and consult your network administrator 128 System Maintenance Backup ConfigurationSoftware Update Restore ConfigurationFigure 14-9 Example of uploading RAS using PCPLUS Command Interpreter ModeCall Control Parameters Call ControlFigure 14-11 Blacklist BlacklistModem/ISDN TA Emulation Budget ManagementFigure 14-12 Budget Management 134 System Maintenance Problems Starting Up the Prestige 15 TroubleshootingNone of the LEDs are on when you power up the Prestige Connecting the RS-232 cable, cannot access the SMTThe ISDN initialization failed Problems With the ISDN LineThe ISDN loopback test failed Problems Connecting to a Remote Node or ISP Problems with the LAN InterfaceCan’t PING any station on the LAN 138 Troubleshooting Problems Connecting to a Remote UserProvisioning For U.S. Switches 16 ISDN Switch TypesProvisioning Feature Provisioning For the AT&T 5ESS SwitchesSetting Provisioning FeatureProvisioning Feature Provisioning For the Northern Telecom SwitchSetting Provisioning FeatureSetting Provisioning Feature142 ISDN Switch Types 17 Index See IPX IP Address, 14 IP Subnet Mask, 15, 39, 71, 74Simple Network Management Protocol. See SNMP