3com 3C840 Manual de usuario

®http://www.3com.com/OfficeConnect™ Remote 840 SDSL Router User’s GuideRelease 1.2.0Part No. 10031396 Rev. AAMay 2000840ug.book Page 1 Friday, July

Filtering Overview 12 - 1Filtering Capabilities 12 - 2Filter Classes 12 - 2Filter Types 12 - 2Data Filters 12 - 2Advertisement Filters 12 - 3Generic

8-4CHAPTER 8: CONFIGURING DNSConfiguring Static DNS Host EntriesThe OfficeConnect Remote 840 can function as a DNS server. 1 If you want to configure

9CONFIGURING IPX ROUTINGIntroductionThis chapter provides an overview on configuring IPX routing for the OfficeConnect Remote 840. “Overview” “Config

9-2CHAPTER 9: CONFIGURING IPX ROUTINGConfiguring IPX for the LAN To configure IPX over the LAN, assign an IPX network to the LAN port by providing a n

Configuring IPX for Remote Sites Connection9-3Modifying orDeleting an IPXNetworkTo modify information pertaining to an existing IPX network or to dele

9-4CHAPTER 9: CONFIGURING IPX ROUTINGIf you need to connect to multiple remote sites (i.e., two remote offices) you can set up a remote site profile f

Configuring IPX Static and Framed Routes9-55 Check the correct box in the IPX WAN Network Address box. Select Unnumbered to use the IPX address that

9-6CHAPTER 9: CONFIGURING IPX ROUTING3 Define the Route by entering the following fields: Network Address — The address of the network. Gateway Netwo

Configuring IPX Static and Framed Services9-7 IPX Network (address) — The IPX address of the network. Metric — The number of routers (1-15) through w

9-8CHAPTER 9: CONFIGURING IPX ROUTINGAdding a Static IPXService to a Local Site(LAN)To add a static IPX Service to a LAN:1 Select Configuration > G

Configuring IPX Static and Framed Services9-9Adding a Framed IPXService to a RemoteSite (WAN)To add, modify, or delete a framed service for a remote s

ABRIDGING AND ROUTINGIntroduction A -1Bridging and Routing Concepts A -1Guidelines for Choosing Bridging or Routing A -2How Bridges Learn A -2Bridgi

9-10CHAPTER 9: CONFIGURING IPX ROUTINGConfiguring IPX RIP and SAPRIP is utilized as a means of communicating routing information between routers. This

Configuring IPX RIP and SAP9-11Remote Site (WAN)RIP and SAPIPX RIP and SAP parameters can be configured on the remote site IPX Modify screen. Access t

9-12CHAPTER 9: CONFIGURING IPX ROUTINGIPX RoutingConfiguration toSupportMAC-EncapsulatedRoutingMedia Access Control (MAC)-Encapsulated Routing combine

IPX Testing9-13For more information on these monitoring screens, see “Monitoring the OfficeConnect Remote 840” in Chapter 11.840ug.book Page 13 Frid

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10UPGRADING OPERATIONAL SOFTWARE FOR THE OFFICECONNECT REMOTE 840IntroductionThis chapter details the updating of the OfficeConnect Remote 840 softwar

10-2CHAPTER 10: UPGRADING OPERATIONAL SOFTWARE FOR THE OFFICECONNECT REMOTE 840OfficeConnectRemote 840 CDIf you have obtained an updated OfficeConnect

Installing Operational Software to the OfficeConnect Remote 840 Unit10-3browser with the pathname of the new NAC file. The browser will then load this

10-4CHAPTER 10: UPGRADING OPERATIONAL SOFTWARE FOR THE OFFICECONNECT REMOTE 8405 Change to the directory containing the new operational software. If y

11MONITORING THE OFFICECONNECT REMOTE 840IntroductionThis chapter describes the details for performing the system monitoring on the OfficeConnect Remo

CADDRESS TRANSLATION TUTORIALOverview C -1Network Address Translation (NAT) C -2NAT Example C -2Dynamic NAT C -3Static NAT C -4Port Address Translatio

11-2CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840The throughput is displayed as line graphs that move from left to right across the screen. The

Ethernet Interface11-3Figure 11–1 Throughput GraphsEthernet InterfaceInterface Status The Interface Status screen provides real-time information abo

11-4CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840Ethernet Counters The Ethernet counters screen shows real-time counters based on data packets t

11-5Interface StatusATM Status The Interface Status screen provides real-time information about the interfaces. To bring up this screen, from the Offi

11-6CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840The information includes Cell Delineation status, Data and Idle Cell counters, and error detect

Remote Site Connection11-7Remote Site ConnectionConnectionTraffic/Error CountersYou can view remote site connection traffic and error counters. From t

11-8CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840Frame Relay VC SiteCountersRemote Site StatusTa bl eTo view a complete list of configured remot

IP11-9and the network address assigned to the connection. IP and IPX WAN network names incorporate the name of the remote site profile.Below is an exa

11-10CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840IP, TCP, UDP, ICMPCounters and TablesThe OfficeConnect Remote 840 Manager provides various cou

Address Translation11-11Each lease table entry lists the IP address and lease duration assigned to each client hardware (MAC) address. DHCP Counters Y

Step 6: Configuring a Local Bridge Network E - 13Using the Configuration Audit E - 13Saving the Configuration E - 14Testing the Configuration E - 14FT

11-12CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840location. The mapped addresses table keeps track of private-to-public address mappings. Ta bl

IPX11-13IPXIPX Networks IPX networks are created when you configure IPX over the LAN and when a remote site connection is established that is configur

11-14CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840configured statically. The protocol type of RIP indicates routes that were learned from IPX RI

Events Logs11-15The screen capture below provides an example of the network status table.Forwarding Table The bridge forwarding table is used for forw

11-16CHAPTER 11: MONITORING THE OFFICECONNECT REMOTE 840Connection Event Log The connection event log contains a text description of WAN interface eve

12CONFIGURING FILTERS IntroductionThe OfficeConnect Remote 840 provides an extensive set of data filtering capabilities. For instance, filters can acc

12-2CHAPTER 12: CONFIGURING FILTERSFiltering CapabilitiesThe OfficeConnect Remote 840 provides an extensive set of data filtering capabilities. The Of

Filtering Capabilities12-3Table 12–1 Data FiltersAdvertisement Filters Advertisement filters operate on network protocol packets that contain varyin

12-4CHAPTER 12: CONFIGURING FILTERSCreating generic filters can be a complex task. Only experienced users should employ generic filters, and strictly

Creating Filters Using the OfficeConnect Remote 840 Manager12-5The first is the direction/location of the packet. There are four static direction/loca

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12-6CHAPTER 12: CONFIGURING FILTERSExample: To prevent seven individual PCs on the LAN from accessing a remote site, create the following two filters:

Creating Filters Using the OfficeConnect Remote 840 Manager12-7to. This allows you to go beyond the bounds of the “canned” condition sentences. An ove

12-8CHAPTER 12: CONFIGURING FILTERS Enable or disable the filter. (You may want to create a disabled filter, then enable it when you are satisfied tha

Creating Filters Using the OfficeConnect Remote 840 Manager12-9Basic IPX Condition has the following condition sentences to select from:Table 12–5 Ba

12-10CHAPTER 12: CONFIGURING FILTERS*whose length is 2x Length field: two mask numbers for each byte)** whose length is not greater than 2x Length fie

Creating Filters Using the OfficeConnect Remote 840 Manager12-11 Use the Cancel button to cancel any changes since the last time you saved.When you ha

12-12CHAPTER 12: CONFIGURING FILTERSStep-by-Step Guide to Creating Filters Using the OfficeConnect Remote 840 ManagerFilters can be tricky to define s

Step-by-Step Guide to Creating Filters Using the OfficeConnect Remote 840 Manager12-13As before, select the condition sentence, choose the keyword and

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13TROUBLESHOOTINGIntroductionThis chapter contains information on the troubleshooting tools and the troubleshooting areas for your OfficeConnect Remot

ABOUT THIS GUIDE IntroductionThis guide describes the features and advanced configuration of the OfficeConnectRemote 840 SDSL Router. The guide is int

13-2CHAPTER 13: TROUBLESHOOTING CLI Traces — Tracing can be turned on for various OfficeConnect Remote 840 software components using the CLI set facil

LAN Connection Problems13-3LAN Connection ProblemsIP Wizard and Web Browser Problems Symptom Possible Causes Corrective ActionThe LAN LED is Off. The

13-4CHAPTER 13: TROUBLESHOOTINGThe workstation does not have an IP address.If the workstation is supposed to learn its address from the OfficeConnect

IP Wizard and Web Browser Problems13-5The Web browser does not find the OfficeConnect Remote 840 using its DNS name (DHCP Smart Mode in use).There is

13-6CHAPTER 13: TROUBLESHOOTINGWAN Connection Problems Symptom Possible Causes Corrective ActionSDSL LED is Off. OfficeConnect Remote 840 Manager Inte

General Network Connection Problems13-7General Network Connection Problems Symptom Possible Cause Correction ActionRemote network is not responding (e

13-8CHAPTER 13: TROUBLESHOOTINGIf your Network Service is PPP, the PPP Authentication information may be incorrect. Check connection event log (Monito

IP Network Connection Problems13-9IP Network Connection ProblemsAccessing remote information is slower than expected.The SDSL settings indicate that a

13-10CHAPTER 13: TROUBLESHOOTINGSymptom Possible Cause Corrective ActionSome remote sites use the RIP protocol to advertise your IP address to other r

IP Network Connection Problems13-11Symptom Possible Cause Corrective ActionMy video application does not run when Port Address Translation (PAT) is en

2ABOUT THIS GUIDEHow to Use This GuideThis table shows where to find specific information in this guide.These and other user guides and release notes

13-12CHAPTER 13: TROUBLESHOOTINGIPX Network Connection ProblemsSymptom Possible Cause Corrective ActionRemote IPX network is not responding (ex., can&

Bridge Connection Problems13-13Bridge Connection ProblemsSymptom Possible Cause Corrective ActionRemote network is not responding.LAN or WAN connectio

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ABRIDGING AND ROUTINGIntroductionDuring the initial configuration of the OfficeConnect Remote 840, you must decide whether to configure the unit as a

A-2APPENDIX A: BRIDGING AND ROUTINGGuidelines forChoosing Bridging orRoutingThe list below outlines some of the reasons you might choose to configure

How Bridges LearnA-3address table, the bridge knows the destination is on the LAN and therefore discards or filters the frame.If the destination addre

A-4APPENDIX A: BRIDGING AND ROUTINGFigure A–1 Simple Remote BridgingThe OfficeConnect Remote 840 uses RFC 1483 or PPP encapsulation to connect with

How Bridges LearnA-5not be placed on LAN A. Therefore, frames passing between LAN B and LANs C or D will not impact the overall performance of the LAN

A-6APPENDIX A: BRIDGING AND ROUTINGother bridges detect this and reconfigure their ports so that there is once again an active data path through the n

Network Organization, Structure, and Physical LayoutA-7The Internet The protocol adopted by the Defense Data Network (DDN) for the Internet, is based

Document Notation3Table 2 Text ConventionDocument NotationReferences to specific OfficeConnect Remote 840 Manager pages in this document will use a

A-8APPENDIX A: BRIDGING AND ROUTINGare able to share the same Class B network address, regardless of their location on the bridged network.Figure A–4

IP RoutingA-9Once the packet is received by the Router A, attached to LAN 1, it strips off the network header (refer to Figure above) and examines the

A-10APPENDIX A: BRIDGING AND ROUTINGThe algorithm will automatically select to forward the data packet via Router A, as this route contains the least

BIP ADDRESSING Introduction to IP Addressing This section contains a brief introduction to the IP addressing scheme for administrators that are new to

B-2APPENDIX B: IP ADDRESSINGbe host 28 on subnetwork 63 of that network. The network itself would be called 128.5.0.0 (Class B network number 5). Noti

IP Addressing BasicsB-3Class B network described above, an address of 128.5.255.255 is a broadcast address meaning the packet is destined for all node

B-4APPENDIX B: IP ADDRESSINGcan be, but does not have to be, the same as the netmask for any other supernet.As in subnetting, a netmask creates a divi

IP Addressing BasicsB-5with OfficeConnect Remote 840. The first option permits you to set the subnet via numerical (8-30 bits) designation. For exampl

B-6APPENDIX B: IP ADDRESSINGTo route IP, the two networks to be linked by the OfficeConnect Remote 840 (local LAN and the ISP's or remote site&ap

IP Addressing BasicsB-72xx.xxx.188.176, and the subnet mask, 255.255.255.248, together to determine the number of addresses we had to work with.First,

4ABOUT THIS GUIDEwould access the IP sub-menu. Finally, from the IP sub-menu, you would access the ARP Table page. This is specified as Monitor > N

B-8APPENDIX B: IP ADDRESSINGexists when an IP address identifies the interface as belonging to a specific IP network or subnet (See Figure B-1). Figur

IP Addressing BasicsB-9Ethernet interface. This IP address is the source IP address for router-generated packets going out unnumbered interfaces. The

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CADDRESS TRANSLATION TUTORIALOverviewPublic IP addresses are registered and can be used within a public network, such as the Internet. Due to the limi

C-2APPENDIX C: ADDRESS TRANSLATION TUTORIALNetwork Address Translation (NAT)With NAT, a pool of public addresses is configured and dynamically mapped

Network Address Translation (NAT)C-3provides a firewall and hides the private local network from the outside world. Figure C–1 NAT ExampleDynamic NA

C-4APPENDIX C: ADDRESS TRANSLATION TUTORIALStatic NAT Static NAT operates like Dynamic NAT except you may add entries to the address translation table

Port Address Translation (PAT)C-5Doing this provides a firewall and hides the private local network from the outside world. Figure C–2 PAT ExampleDyna

C-6APPENDIX C: ADDRESS TRANSLATION TUTORIALworld. You would select the port numbers based on the type of access needed. For example, if you had a loca

DUSING THE CLI GUIDEOverviewThe preferred method of configuring and managing the OfficeConnect Remote 840 SDSL Router is the Web Browser based Remote

Year 2000 Compliance5 Do not use a telephone that is connected to the unit (other than a cordless type) during an electrical storm. There may be a rem

D-2APPENDIX D: USING THE CLI GUIDE840ug.book Page 2 Friday, July 7, 2000 2:23 PM

ECONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840This chapter describes the details for performing the initial configuration of a Offi

E-2APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840If your unit is using Frame Relay, this will access the Remote Sites Ge

Instructions for Internet AccessE-3If your unit is using ATM, the Remote Sites General Add screen will contain the following fields: Enter a name to i

E-4APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840Step 2: Configuringthe Remote Site ATMParameters (ATMOnly)The ATM Modif

Instructions for Internet AccessE-51 Configure the Local WAN IP Address: If the ISP provided you with a single IP address, select Specified and enter

E-6APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840 If you want to run RIP, select from the pull-down menu to have the RIP

Instructions for Telecommuting / Remote Office AccessE-74 Press the Modify button before leaving this screen to save the changes.5 If you are also goi

E-8APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840 Enter the DLCI. Check the Enable Bridging and/or Enable MAC Encapsula

Instructions for Telecommuting / Remote Office AccessE-9Step 2: Configuringthe Remote Site ATMParametersThe ATM Modify screen shown below is to be fil

3Com Corporation5400 Bayfront Plaza Santa Clara, California 95052-8145Copyright © 1998, 3Com Corporation. All rights reserved. No part of this documen

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E-10APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840Step 3: Configuringthe Remote Site IPNetwork Information1 If you are r

Instructions for Telecommuting / Remote Office AccessE-11 If the remote site administrator provided a remote IP address and netmask, select Specified

E-12APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840You cannot use an unnumbered Local IP WAN Address and have PAT enabled

Using the Configuration AuditE-135 5 Press the Save Configuration button on the sidebar to save the settings you just entered.Step 5: Configuring aLoc

E-14APPENDIX E: CONFIGURATION (NON-SETUP WIZARD) OF THE OFFICECONNECT REMOTE 840Read the explanation of the audit topics and categories to help you in

FTECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This appendix describes these services.Inf

F-2APPENDIX F: TECHNICAL SUPPORT A list of system hardware and software, including revision levels Diagnostic error messages Details about recent conf

Numbers3ComURL F - 1Aaddinga bridge network 5 - 3a framed IP route to a remote site 4 - 11a local IP network 4 - 3a login 2 - 2a remote site profile 3

concepts A -1guidelines A -2IP traffic 5 - 5multiple paths between LANs A -5bridging and routingbroadcast storms A -6Internet A -7IP routing A -9netwo

Default Bridge Mode 5 - 10for remote site connections 5 - 4for the LAN 5 - 3introduction 5 - 1MAC-Encapsulated Routing 5 - 6monitoring 5 - 11testing 5

1OVERVIEWIntroductionThis chapter provides an overview of the OfficeConnect Remote 840. It contains the following sections: “What Is the OfficeConnect

ATM site 11 - 7bridge 11 - 15connection traffic/error 11 - 7DHCP 11 - 11Ethernet interface 11 - 4Frame Relay VC site 11 - 8IP, TCP, UDP, ICMP 11 - 10c

enablingbridging for remote site connections 5 - 5IP routing 4 - 2Ethernet interfacecounters 11 - 4interface status 11 - 3Ethernet performance 11 - 3F

IPcounters 11 - 10network connection problems 13 - 9networks 11 - 8numbered and unnumbered links B - 7planning B - 5routing A -9subnet mask address B

RIP and SAP 9 - 10MMAC-Encapsulated Routing 1 - 4, 4 - 13, 5 - 6managingOfficeConnect Remote 840 1 - 14remote site profile 3 - 2mapped address table 1

OObtaining 10 - 1obtainingupgraded software 10 - 1OfficeConnect Remote 840back panel 1 - 11CD 10 - 2creating filters 12 - 12defined 1 - 2DIP switches

range of IP addresses B - 6remote siteconnection 11 - 7defined 1 - 5RIP and SAP 9 - 11status table 11 - 8remote site managementadding a remote site pr

storms A -6structure A -6subnetting B - 1and the OfficeConnect Remote 840 B - 4supernetting (advanced TCP/IP) B - 3syslog managers 2 - 8System Adminis

tables 11 - 10Unconfigured Mode, defined 1 - 9updating software 2 - 4upgrading softwareinstalling 10 - 2obtaining 10 - 1OfficeConnect Remote 840 CD 10

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3Com Corporation LIMITED WARRANTYThis warranty applies to customers located in the United States, Australia, Canada (except Quebec), Ireland, New Zeal

1-2CHAPTER 1: OVERVIEW “Where to Find More Configuration Information”What Is the OfficeConnect Remote 840?The OfficeConnect Remote 840 is a stand-alon

Dead- or Defective-on-Arrival. In the event a product completely fails to function or exhibits a defect in materials or workmanship within the first f

FCC CLASS B STATEMENTThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:1 This device may not ca

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What is an SDSL Modem?1-3protocols as well as bridging, with support for learning bridge and 802.1d spanning tree functionality to eliminate loops. Ot

1-4CHAPTER 1: OVERVIEWWhat is a BRouter?A BRouter is an interface between two networks, functioning as a router and/or a bridge. A router finds the be

What is a Remote Site?1-5MAC layer addresses are pre-pended in the ethernet header over the Wide Area Connections. Address Resolution procedures (ARP)

1-6CHAPTER 1: OVERVIEWwithin the same subnet. When the local side of the WAN interface has an assigned address, it is referred to as being "numbe

What is RFC 1490?1-7connection. RFC 1483 is a conduit for multiple protocols such as IP and IPX, which are encapsulated and passed across the communic

1-8CHAPTER 1: OVERVIEWwith an IP address for the workstation and the IP addresses of the default router and Domain Name Server.The OfficeConnect Remot

What Is Default Bridge Mode?1-9you choose this boot option, you will set up your workstation(s) for automatic IP address assignment.What Is Default Br

ABOUT THIS GUIDEIntroduction 1How to Use This Guide 2Conventions 2Document Notation 3Safety Information 4Additional Safety Information 5Year 2000 Comp

1-10CHAPTER 1: OVERVIEWOfficeConnect Remote 840 Panel Features All LED and status information can be found on the front panel of the unit, while the p

OfficeConnect Remote 840 Panel Features1-11Back Panel Below is a representation of the back panel of your SDSL router: Figure 1–5 OfficeConnect Remot

1-12CHAPTER 1: OVERVIEWconfigurations. See the table below for information about which switches to set for which configurations.Table 1–2 DIP Switch

Configuration Overview1-13Configuration OverviewThe OfficeConnect Remote 840 configuration is divided into three areas: Local Site (LAN), Remote Site

1-14CHAPTER 1: OVERVIEW Test the network accessibility. Ping a remote site Check the routing tables on configured protocolsHow to Manage the OfficeC

Starting the OfficeConnect Remote 840 Manager1-15Starting the OfficeConnect Remote 840 ManagerTo access the OfficeConnect Remote 840 Manager, either e

1-16CHAPTER 1: OVERVIEWUsing the OfficeConnect Remote 840 ManagerAll OfficeConnect Remote 840 Manager screens have three basic areas: Header — Shows t

Where to Find More Configuration Information1-17Online Help The OfficeConnect Remote 840 Manager provides two methods of obtaining help. The Online Us

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2SYSTEM ADMINISTRATION Performing System Administration Ta s k s This section describes the details for performing the following System Administratio

Back Panel 1 - 11Configuration Overview 1 - 13General Configuration Steps 1 - 13How to Manage the OfficeConnect Remote 840 1 - 14Starting the OfficeCo

2-2CHAPTER 2: SYSTEM ADMINISTRATIONAdding a Login1 From the home page, select Configuration > Global > Administrator > Login. Click Add. The

Modifying the Date and Time2-3Modifying the Date and Time This allows you to modify the system date and time. 1 From the home page, select Configurati

2-4CHAPTER 2: SYSTEM ADMINISTRATION Reset button on the back of the unit. Using the OfficeConnect Remote 840 Manager to Restore Defaults1 Select Tools

Controlling SNMP Access2-5stations. These stations, the SNMP Managers, query the managed units for configuration and monitoring information. The Offic

2-6CHAPTER 2: SYSTEM ADMINISTRATION4 Repeat steps 1-3 for each management station which is a part of this community. Be careful to have the Access box

Assigning SNMP Trap Managers2-7Assigning SNMP Trap Managers An SNMP trap is an event that causes the OfficeConnect Remote 840 to send an unsolicited m

2-8CHAPTER 2: SYSTEM ADMINISTRATIONAssigning Syslog Managers A Syslog manager is a workstation that accepts and saves informational messages from a ne

3REMOTE SITE MANAGEMENTIntroduction This chapter provides an overview on managing remote site profiles using the web browser based OfficeConnect Remot

3-2CHAPTER 3: REMOTE SITE MANAGEMENT IPX — IPX network address information, static routes and services, and RIP usage. Bridging — Bridging (enable /

Managing a Remote Site Profile3-34 Click Add. Then click Save Configuration on the sidebar to permanently save the changes. The Network Service (PPP a

Adding a Remote Site Profile 3 - 2Modifying a Remote Site Profile 3 - 3Deleting a Remote Site Profile 3 - 3Configuring Network Service Information (PP

3-4CHAPTER 3: REMOTE SITE MANAGEMENTConfiguring Network Service Information (PPP / RFC 1483 / RFC 1490)A Network Service defines the data encapsulatio

Configuring Network Service Information (PPP / RFC 1483 / RFC 1490)3-54 Select the network service to be either RFC 1483, or PPP. If PPP, enter the Au

3-6CHAPTER 3: REMOTE SITE MANAGEMENT6 Check the Enable Remote Site box. Configuring ATM Information The ATM parameters are supplied by your service pr

Configuring ATM Information3-7 If PVC is selected, enter the VPI and VCI. VPI — The Virtual Path Identifier (VPI) is part of the cell header for the

3-8CHAPTER 3: REMOTE SITE MANAGEMENTmaximum average rate or cells that are sent in bursts at a peak rate. BT — The Burst Tolerance (also referred to

4CONFIGURING IP ROUTING IntroductionThis chapter contains information on configuring routing for IP protocol using the OfficeConnect Remote 840. It is

4-2CHAPTER 4: CONFIGURING IP ROUTINGTo configure IP routing, IP must be defined on both the LAN interface and one or more remote sites. On the LAN, an

Configuring IP for the LAN4-3For routing to take place across the OfficeConnect Remote 840, you also have to set up a corresponding network over the W

4-4CHAPTER 4: CONFIGURING IP ROUTINGResetting Parameters If you need to return to the original parameters for this screen, click Reset before you clic

Configuring IP RIP on the LAN4-5Configuring IP RIP on the LANRIP is utilized as a means of communicating routing information between routers. This is

Ping Responses 4 - 15DNS Errors 4 - 15Option 2: DOS Ping to ISP or Remote Site Network 4 - 16Option 3: Internet Browser (Internet Access Only) 4 - 17A

4-6CHAPTER 4: CONFIGURING IP ROUTINGThis brings up a screen containing the following fields: 1 You may enter the following fields: Broadcast Address -

Configuring IP for the Remote Site Connection4-7Configuring IP for the Remote Site ConnectionTo set up connections over the WAN, a remote site profile

4-8CHAPTER 4: CONFIGURING IP ROUTINGConfigure theRemote Site IPNetwork InformationThe following steps illustrate how you configure the remote site IP

Configuring IP for the Remote Site Connection4-9Remote WAN IP Address: If you were provided a remote IP address and netmask, select Specified and typ

4-10CHAPTER 4: CONFIGURING IP ROUTINGConfiguring IP RIP on a Remote Site Access the RIP options for the WAN through Configuration > Remote Sites &g

Configuring IP Static and Framed Routes4-11Configuring IP Static and Framed RoutesA Static route is a configured route that will remain in the routing

4-12CHAPTER 4: CONFIGURING IP ROUTING4 Click Manage in the Framed Routes box. 5 Click Add to define the following parameters: Gateway (address) — The

Using IP Address Validation4-13Check or uncheck the IP Source Validation button to respectively enable or disable the IP source validation. MAC-Encaps

4-14CHAPTER 4: CONFIGURING IP ROUTINGMonitoringThe OfficeConnect Remote 840's IP Routing Table is displayed by accessing the following page: Moni

IP Testing (PING)4-15A Ping Response screen will appear, with the response from the ping. The following responses may occur. Ping Responses <IPAddr

Configuring the PAT Default Address 6 - 2Configuring Static PAT Port Entries 6 - 3Configuring NAT 6 - 4Monitoring 6 - 57CONFIGURING DHCPIntroduction 7

4-16CHAPTER 4: CONFIGURING IP ROUTINGThe name could not be resolved. Either no DNS server was located or the server(s) did not have the name in the ho

IP Testing (PING)4-17C:\_It is not unusual for the first few attempts to time out. If you don't receive a response the first time, try PINGing th

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5CONFIGURING BRIDGINGIntroductionThis chapter contains information on configuring bridging for the OfficeConnect Remote 840. If you need more informat

5-2CHAPTER 5: CONFIGURING BRIDGINGTo efficiently separate traffic, the bridge maintains a Bridge Forwarding Ta bl e. The table contains a list of MAC

Configuring Bridging for the LAN5-3Configuring Bridging for the LANTo configure a protocol over the LAN, you need to assign a protocol network to the

5-4CHAPTER 5: CONFIGURING BRIDGINGModifying orDeleting a BridgeNetworkTo modify information pertaining to an existing Bridge network, or to delete tha

Bridging IP Traffic5-5For any routing to take place across the OfficeConnect Remote 840, you also have to set up a corresponding network over the LAN.

5-6CHAPTER 5: CONFIGURING BRIDGINGIP Forwarding refers to the routing of IP packets from one interface to another. It does not affect communicating to

Bridge Firewall5-7the routed protocols configured by the profile (i.e., IP and/or IPX) will be sent using the appropriate bridged encapsulation. If th

Configuring IPX for Remote Sites Connection 9 - 3Configure the Remote Site IPX Network Information 9 - 4Configuring IPX Static and Framed Routes 9 - 5

5-8CHAPTER 5: CONFIGURING BRIDGINGIPX routing is enabled if an IPX network is present over the Ethernet interface (see “Configuring IPX for the LAN” i

Advanced Bridging Options5-9In general, a packet received in a routed encapsulation (i.e., IPCP or routed RFC 1483 or RFC 1490) is delivered to the ro

5-10CHAPTER 5: CONFIGURING BRIDGINGIf you need to return to the original parameters for this screen, click Reset before you click Submit. 3 Click Subm

Monitoring Bridging5-11You will need to tell your service provider to use a connection on VPI / VCI using RFC 1483 or RFC 1490 (bridged).Boot options

5-12CHAPTER 5: CONFIGURING BRIDGINGIf you have problems with bridging IP, check that IP Forwarding is disabled on the Configuration > Global > I

6NETWORK ADDRESS TRANSLATION USING THE OFFICECONNECT REMOTE 840IntroductionThis chapter contains information on address translation using the OfficeCo

6-2CHAPTER 6: NETWORK ADDRESS TRANSLATION USING THE OFFICECONNECT REMOTE 8404 Under Address Translation, select Port Address Translation (PAT), Networ

Configuring Static PAT Port Entries6-3Press the Modify button to set the address. Configuring Static PAT Port EntriesPress the Static Transmission Con

6-4CHAPTER 6: NETWORK ADDRESS TRANSLATION USING THE OFFICECONNECT REMOTE 840After Static Port Entries have been configured, return to the IP Advanced

Monitoring6-5MonitoringIf PAT is used, the active port mappings are shown in the Monitor > Networks > NAT/PAT > Port Assignments screen. Only

11 - 5Interface Status 11 - 5ATM Status 11 - 5ATM Cell Status 11 - 5SDSL Transceiver Status 11 - 6Remote Site Connection 11 - 7Connection Traffic/Erro

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7CONFIGURING DHCPIntroductionThis chapter provides information on configuring the DHCP options for the OfficeConnect Remote 840. “DHCP Overview” “Conf

7-2CHAPTER 7: CONFIGURING DHCPThe OfficeConnect Remote 840 can be configured to support up to 40 workstations on the local LAN. In addition, the Offic

Configuring the DHCP Server7-3Configuring the DHCP ServerThe DHCP Server configuration screen contains the following fields: The OfficeConnect Remote

7-4CHAPTER 7: CONFIGURING DHCPConfiguring the DHCP RelayIf you selected Relay on the main DHCP screen, press the Configure DHCP Relay button. This scr

DHCP Smart Mode Overview7-5IP LAN address: 192.168.200.254DHCP IP address start: 192.168.200.1IP address end: 192.168.200.40IP Mask: 255.255.255.0IP D

7-6CHAPTER 7: CONFIGURING DHCP840ug.book Page 6 Friday, July 7, 2000 2:23 PM

8CONFIGURING DNSIntroductionThis chapter provides information on configuring the DNS options for the OfficeConnect Remote 840. “DNS Overview” “Configu

8-2CHAPTER 8: CONFIGURING DNSConfiguring DNSTo access the DNS configuration screens, go to the OfficeConnect Remote 840 Manager and select Configurati

Configuring Remote DNS Servers8-3Multiple DNS remote server entries can be added. The server is chosen based on the requested domain name. If a match