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D-Link DI-308 User's Manual

1. The Main Menu is shown below Main Menu System Information Interface Configuration Network Configuration SNMP Agent Configuration Advanced Functions Admin Configuration System Maintenance I 2 3 4 5 6 7 LOGOFF As mentioned earlier your first endeavor should be to increase the automatic timeout Enter the System Information submenu to do this System Information This menu contains administrative and system related information l System Information System Description ISDN Router System Object ID L 3 651 401 171L 10 2721 System Up Time 2 minutes 1 seconds System Contact CT Snow x6556 System Name DI 308 System Location Myson Building 7th Fllor Console Telnet Display Timeout in Minutes 0 90 90 System MAC Address OOSOBAOD308C ISDN Switch Type DSS 1 SAVE EXIT The above parameters are described as follows 17 DI 308 ISDN Remote Router e System Description This is a non changeable short description of the product e System Object ID This is the enterprise specific MIB Object ID indicating this type of router e System Up Time Shows how long the router has been running since the last power on or reset e System Contact Enter the name of the department or individual responsible for maintaining the router e System Name Give the router a descriptive name for identification purposes e System Location
2. CRC Packets Overrun Packets CD Lost Packets Framing Err Packets Parity Err Packets 0 0 0 0 0 0 0 0 0 0 0 0 e Tx Packets The total number of valid packets transmitted by the router since the last reset e Tx Bytes The total number of bytes transmitted by the router e Tx Discard Packets The number of packets dropped by the router e Tx Error Packets The number of invalid packets transmitted by the router This hardware counter shows the sum of Collisions Abort and Underrun packets e Tx Underrun Packets Runt packets This counter shows the number of packets transmitted by the router that are less than the allowed 64 octets minimum length Underrun packets occur due to jam signals generated by collisions backpressure etc e Tx Lost CTS Packets The number of Clear To Send packets that were lost by the router e Rx Packets The total number of packets received by the router e Rx Bytes The total number of bytes contained in packets received by the router e Rx Unknown Packets The number of packets received by the router that were of an unsupported protocol e Rx Discard Packets The number of packets dropped by the router e Rx Error Packets The number of invalid packets received by the router This hardware counter shows the sum of NOA Abort CRC Overrun CD Lost Framing and Parity error packets e Rx NOA Packets Non Octet Alignment This counts the number of
3. The Dial On Demand feature allows a DI 308 to automatically place a call to a Remote Node whenever there is traffic coming from any workstation on the LAN Local Area Network to that remote site Bandwidth On Demand Your DI 308 supports bandwidth up to 128 kbps over a single ISDN BRI line It incorporates MLPPP Multi Link PPP to bundle two B channels over a BRI line In addition the router dynamically allocates bandwidth between the two B channels increasing or decreasing bandwidth as needed to allow for greater efficiency in data transfer It supports BAP Bandwidth Allocation Protocol and BACP Bandwidth Allocation Control Protocol to manage the number of links in the multi link bundle Full Network Management The DI 308 incorporates SNMP Simple Network Management Protocol support and menu driven network management via an RS 232 or Telnet connection RADIUS Remote Authentication Dial in User Service The RADIUS feature allows you to use a central external Unix or NT based server to support thousands of users PPP Security The DI 308 supports PAP Password Authentication Protocol and CHAP Challenge Handshake Authentication Protocol RIP 1 RIP 2 Your DI 308 supports both RIP 1 and RIP 2 Routing Information Protocol versions 1 and 2 exchanges with other routers DHCP Support Dynamic Host Configuration Protocol DHCP Dynamic Host Configuration Protocol allows IP addresses to be automatically and dynamically as
4. as assigned by the Internet Assigned Numbers Authority IANA The values of this identifier are described in RFC 1700 This router supports the following 1 This is Internet Control Message ICMP defined in RFC 792 6 This is Transmission Control TCP defined in RFC 793 17 This is User Datagram UDP defined in RFC 798 Src IP This is the source address in the IP header of this packet Src Netmask This mask is bit wise AND d with the source IP address and bit wise AND d with the IP address of the incoming interface The two results are then compared Src Port This is the source port in the TCP or UDP header of the packet Src Port Operation This comparison operation is applied to the source port the Src Port parameter value of the TCP or UDP header Dst IP This is the destination address in the IP header of the packet Dst Netmask This mask is bit wise AND d with the destination IP address and bit wise AND d with the IP address of the incoming interface The two results are then compared Dst Port This is the destination port in the TCP or UDP header of the packet Dst Port Operation This comparison operation is applied to the destination port the Dst Port parameter value of the TCP or UDP header ICMP Type This is the type field in the ICMP header used to identify a particular ICMP message ICMP Code This is the code field in the ICMP header used to furthe
5. map a single global address and multiple contiguous local addresses to each other 63 DI 308 ISDN Remote Router Dynamic NAPT Global IP Local IP Range State 1 0 0 0 0 Ce o lt Enable gt Zz 0 0 0 0 0 0 0 0 0 Disable 3 0 0 0 0 0 0 0 0 0 Disable 4 0 0 0 0 0 0 0 0 0 Disable gt 5 0 0 0 0 0 0 0 0 0 Disable SAVE EXIT All of the parameters are the same as in Dynamic NAT except the Global IP is a solitary global address e Global IP This is a single globally unique IP Address of the global interface the interface to which it is assigned in this case one of the ISDN interfaces that is valid on the Internet Static NAT This screen below is how the NAT IP Pool appears if Static NAT was chosen for the Translation Mode parameter Each entry in this configuration is used to map a single global IP address a single local IP address 64 DI 308 ISDN Remote Router Static NAT J 11l 1 1 11 0 0 0 lt Disable gt 0 0 0 Disable 0 0 0 lt Disable gt 0 0 0 lt Disable gt The parameters are described as follows e Global IP This is a single global IP Address that is valid on the Internet or on the same subnet of the global interface e Local IP This is a single local IP Address that is not valid on the Internet Static NAPT This screen below is how the NAT IP Pool appears if Static NAPT was chosen for the Translation Mode parame
6. 1 949 788 0805 FAX 1 949 753 7033 INFO LINE 1 800 326 1688 BBS 1 949 455 1779 1 949 455 9616 URL www dlink com E MAIL tech dlink com support dlink com Registration Card Print type or use block letters Your name Mr Ms Organization Dept Your title at organization Telephone Fax Organization s full address Country Date of purchase Month Day Year Product Model Product Serial Product installed in type of Product installed in computer _ ee Compag 486 computer serial No Applies to adapters only Product was purchased from Reseller s name Telephone Fax Reseller s full address Answers to the following questions help us to support your product 1 Where and how will the product primarily be used OHome OOffice OTravel OCompany Business DHome Business OPersonal Use 2 How many employees work at installation site O11 employee 12 9 0110 49 1150 99 0100 499 1500 999 111000 or more 3 What network protocol s does your organization use OXNS IPX OTCP IP ODECnet OOther 4 What network operating system s does your organization use OD Link LANsmart ONovell NetWare ONetWare Lite OSCO Unix Xenix OPC NFS 03Com 3 Open OBanyan Vines ODECnet Pathwork OWindows NT OWindows NTAS OWindows 95 OOther 5 What network management program does your organization use OD View OHP OpenView Windows OHP OpenView Unix OSunNet Manager ONovell NMS ONetV
7. 40 48 93 Interface Configuration 25 39 DI 308 ISDN Remote Router Internet 10 40 IP Address 31 37 63 107 IP Address Supply 46 49 IP Addresses 117 IP Concepts 117 IP Configuration 29 IP Filter 55 58 IP Multicasting 32 62 IP Network Classes 117 IP Networking 34 IP Ping Test 96 IP Port Numbers 119 IP Protocol 119 IP Protocol Numbers 119 IP Routing Table 87 IP STACK 31 IP Stack Configuration 29 IP Static Route 33 IP Static Route Table 34 IP Static Routes 40 ISDN 13 27 30 ISDN Counter Table 86 ISDN Interface 40 ISDN L1 48 ISDN line 38 ISDN submenu 39 ISP 40 Key 79 114 Lan 9 LAN 9 10 11 13 26 30 35 61 115 116 LAN Counter Table 84 LAN Port 21 Layer 2 Filter 55 56 Lease Time 51 Listen 32 Local Area Network See LAN Local Interface 69 Local IP 70 72 local IP address 64 Log and Trace 90 Lookup Host Table 77 Loopback Test 97 MAC address 40 MAC Address 53 63 Main Menu 23 Management 23 Mask 58 Menus 1 General Setup 24 Main 24 Microsoft NetMeeting 69 MIP 61 Multicast Protocol 32 Multi Link PPP 49 80 Multiple Home Configuration 61 NAPT 64 Dynamic NAPT 69 Static NAPT 69 119 NAT 64 Dynamic NAT 69 Static NAT 69 NAT Configuration 64 NAT IP Pool 68 69 70 71 72 Netmask 31 51 Network Configuration 28 network management 129 next hop router 40 Offset 58 Operation 60 Packet Triggered Last Call 94 PAP 9 28 Passw
8. Connection Test 95 connections 38 Console 16 17 Console program 23 Console Program 17 23 D channel 38 Data 94 default gateway 48 default login 23 default next hop router 40 DHCP 49 DHCP Relay Agent 53 Diagnostic 95 Diagnostic port 16 Dial on Demand 42 Dial On Demand 9 Dial Retry Count 44 Dial Retry Time 44 dial in 38 44 dial in network connection 39 118 Dial In User Connections 39 Dial in User Profile 79 Dial In User Profile 39 42 Dial in users 39 dial out connections 38 Dial Out Network Connections 40 Direction 47 57 59 DNS 76 DNS Cache State 77 DNS Configuration 76 DNS Domain Name 77 DNS IP 51 Domain Name 52 Dst IP 60 Dst Netmask 60 Dst Port 60 Dynamic Host Configuration Protocol 9 Dynamic IP Pool 51 Dynamic NAPT 70 Dynamic NAT 69 EEPROM 23 EEPROM Factory Reset 110 Event Error Log 91 Execute Bootload 110 Factory Reset 101 fax calls 38 Filter Configuration 54 Filter State of Interface 55 firewall 64 flash memory 108 Flash memory 23 Forward DNS queries to 76 77 Forwarding LAN 31 Front panel LED s 13 FTP servers 73 Gateway 33 34 51 Gateway address 40 Gateway IP address 65 Global Interface 69 Global IP 70 71 72 global IP address 64 Hops 33 88 Host Name 78 ICMP 60 Idle Time 46 48 IGMP 32 image file 108 impostor 62 Initial Configuration 19 23 installation 129 Interface
9. D Link or its Authorized Reseller D Link warrants the magnetic media on which D Link provides its software product against failure during the same warranty period This warranty applies to purchased software and to replacement software provided by D Link pursuant to this warranty but shall not apply to any update or replacement which may be provided for download via the Internet or to any update which may otherwise be provided free of charge D Link s sole obligation under this software warranty shall be to replace any defective software product with product which substantially conforms to D Link s applicable product documentation Purchaser assumes responsibility for the selection of appropriate application and system platform software and associated reference materials D Link makes no warranty that its software products will work in combination with any hardware or any application or system platform software product provided by any third party excepting only such products as are expressly represented in D Link s applicable product documentation as being compatible D Link s obligation under this warranty shall be a reasonable effort to provide compatibility but D Link shall have no obligation to provide compatibility when there is fault in the third party hardware or software D Link makes no warranty that operation of its software products will be uninterrupted or absolutely error free and no warranty that all defects in the software product wit
10. DHCP server centrally located at your headquarters for example 46 DI 308 ISDN Remote Router 5 2 2 DHCP Relay Agent DHCP Server IP Address MERNE Time Threshold i5 State lt Disable gt Items are described as follows e DHCP Server IP Address This is the IP address of the remote DHCP server When a local computer powers up and sends a DHCP request for an IP address the DI 308 will forward the request to the address specified here e Time Threshold This specifies the maximum amount of time in seconds since the host began requesting an IP address If the value defined here is exceeded the relay agent will not pass along the request from the host e State Enables or disables the DHCP Relay Agent function Filter Configuration Your DI 308 uses filters configurable at two layers to screen packet data and apply a routing decision There are two methods for configuring filters you can configure a filter at the network layer IP filter to restrict access between networks and reduce unnecessary internetwork traffic and you can configure a filter at the data link layer a general filter to provide a protocol independent filter Knowledge of network protocols is required to configure a specific filter appropriately It is important for the router to operate correctly therefore necessary packets must be allowed to pass through the filters In other words do not attempt to configure filters on a
11. Enter the geographic location of the router e Console Telnet Display Timeout in Minutes This is a security measure to automatically logoff from the console menu after a given idle time Enter a timeout time between 0 and 90 minutes Zero specifies no timeout e System MAC Address The physical address of this router e ISDN Switch Type The type of ISDN switch used by the telephone company that the DI 308 can communicate with The DI 308 currently supports only the DSS 1 switch type Interface Configuration Under Interface Configuration in the main menu is the following interface configuration screen used to configure the LAN and ISDN interfaces 2 Interface Configuration EXIT 18 DI 308 ISDN Remote Router LAN Description Branch Office Operation Mode AUTO NEGOTIATION State lt Enable gt EXIT The parameters are described below e Description This is a user defined 32 character identifier used to name the LAN e Operation Mode The LAN port is Auto Negotiation only e State This is a toggle to Enable or Disable the LAN interface 19 DI 308 ISDN Remote Router Switch Type DSS 1 Bl Channel Usage lt Switch gt BZ Channel Usage lt Switch gt Country ID Oo ISDN Data 8358661 4 B Adapter 1 8358661 A B Adapter Z 8358663 Phone 1 Call Waiting lt Disable gt Phone Z Call Waiting lt Disable gt POTS Lines lt Enable gt Global Rece
12. Rx Overrun Packets Rx MPA Packets Rx DFR Packets oooo9n e Tx Packets The total number of valid packets transmitted by the router since the last reset e Tx Bytes The total number of bytes transmitted by the router e Tx Discard Packets The number of packets dropped by the router 77 DI 308 ISDN Remote Router e Tx Error packets The number of invalid packets transmitted by the router This hardware counter shows the sum of Collisions Abort and Underrun packets e Tx Collision Packets The number of packets sent out of the router that collided on the line Some collisions are inevitable due to the shared nature of Ethernet Excessive collisions show excessive utilization of the network e Tx Abort Packets When the router transmits a packet and a collision occurs the router will wait a random period and try to retransmit the packet If a collision occurs 16 times in a row the transmission will be aborted and be logged by this counter An aborted packet shows extremely heavy utilization of the network e Tx Underrun Packets Runt packets The number of packets transmitted by the router that are less than the allowed 64 octets minimum length Underrun packets occur due to jam signals generated by collisions backpressure etc e Rx Packets The number of valid packets received by the router e Rx Bytes The total number of bytes contained in the valid packets received by the router e
13. Rx Unknown Packets The number of packets received by the router that were of an unsupported protocol e Rx Discard Packets The number of packets dropped by the router e Rx Error Packets The number of invalid packets received by the router This hardware counter shows the sum of CRC FAE Overrun MPA and DFR error packets e Rx CRC Packets The number of packets received that failed the CRC checksum test e Rx FAE Packets Frame Alignment Error The number of packets received that does not end on a byte boundary and the CRC does not match e Rx Overrun Packets The number of packets received that exceed the 1518 octet maximum length imposed on Ethernet packets Overrun packets are generated by some proprietary software applications e Rx MPA Packets Missed Packets This is a count of packets intended for the router but at the time the router could not receive the packet usually due to the temporary lack of receive buffers e Rx DFR Packets Deferred Packets This is a count of incidents where CRS carrier signal lost and COL both occur at the same time These two events happen simultaneously as a result of jabber produced by faulty networking equipment usually NICs 78 DI 308 ISDN Remote Router ISDN Counter Table ISDN Bl Packets Packets Bytes Bytes Discard Packets Unknown Packets Error Packets Discard Packets Underrun Packets Error Packets Lost CTS Packets NOA Packets Abort Packets
14. State of Interface Layer Z Filter IP Filter Srorwar deg lt Disable gt ISDN Link 1l lt Disable gt lt Disable gt ISDN Link 2 lt Disable gt lt Disable gt Dial In lt Disable gt Disable Each decision on handling packets is described below 1 Disable Will not apply a filter 2 Forward This allows the routing of a packet even though it has not met the criteria of the corresponding filter 3 Drop This drops doesn t allow routing for a packet that has not met the criteria for the corresponding filter Layer 2 Filter The Layer 2 Filter submenu contains a protocol independent data link layer filter Foreknowledge of the specific protocol used on the interface LAN or WANS is needed to make effective use of this filter Highlight the desired entry on the Layer 2 Filter screen 49 DI 308 ISDN Remote Router 5 3 2 Layer Z Filter Press lt Enter gt to access the following screen Name Direction lt In gt State lt Drop gt Interface lt LAN gt Offset 6 Length 6 Value 0x 0080081234560000 Mask Ox FFFFFFFFFFFFOOOO SAVE EXIT The parameters of a filter are described below e Name This is a 12 character maximum alphanumeric user defined name used to identify the filter e Direction This defines the direction of the frame relative to the Interface parameter below 50 DI 308 ISDN Remote Router IP Filter e S
15. USE USED CONNECTED TYPE Normal Switch Straight Through Hub or Straight Server or Server orPC Crossover X The figure below shows how to make an Ethernet connection between the router and a network end node ia A aa d S RJ 45 connector Important Notes on Ethernet Connections Observe the following rules when connecting devices with twisted pair Ethernet cables e For both end node and uplink connections use only EIA Category 5 UTP cables with RJ 45 plugs e Make sure no cable is more than 100 meters 328 feet long e When uplinking two hubs together with a straight through cable use an uplink type jack at one end and an end node type jack at the other e This is the maximum signal path in twisted pair Ethernet Also be sure never to allow a signal loop to form 11 DI 308 ISDN Remote Router jz oR Fk TE TE RJ 45 connector 10BASE T cable straight through wires Note that you can connect an end node through the Uplink jack but to do so you must use a cross wired cable or cable converter Step 6 Powering Up Devices for Initial Configuration Plug in the included 18V DC 2 5A power adapter into the power jack on the router s rear panel You should have now connected the RS 232 cable to the console the ISDN phone line one or mo
16. be authenticated using the remote network profile 72 DI 308 ISDN Remote Router Multi Link PPP Configuration Multi link PPP MLPPP is a standard RFC 1990 and RFC 1717 for inverse multiplexing a method of combining individually dialed channels into a single higher speed data stream MLPPP is an extension of PPP that supports the ordering of data packets across multiple channels Although MLPPP can be implemented on any WAN device it was the rapid emergence of ISDN BRI as a cost efficient higher bandwidth alternative to modems which has driven the evolution and acceptance of MLPPP Typically MLPPP is used to combine the speed of two ISDN BRI B Channels to get 128Kbps of virtual capacity Before implementing MLPPP on the DI 308 please ensure that your ISP or the device to which you are connecting supports and is configured for MLPPP MLPPP can be implemented in two ways dynamically through the use of the Bandwidth on Demand BOD and statically BOD causes the second ISDN port to place a call and add bandwidth to the ISDN connection when the BOD High Threshold is exceeded for the Add Bandwidth Delay period Bandwidth can also be subtracted when ISDN throughput falls below the BOD Low Threshold and Subtract Bandwidth Delay parameters Thus BOD economizes MLPPP by maintaining only the bandwidth needed A static implementation of MLPPP is achieved when BOD is disabled but the ISDN ports have Multi Link enabled In this case when
17. between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Shielded interface cables must be used in order to comply with emission limits You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation CE Mark Warning This is a Class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures Limited Warranty Hardware D Link warrants each of its hardware products to be free from defects in workmanship and materials under normal use and service for a period commencing on the date of purchase from D Link or its Authorized Reseller and extending for the length of time stipulated by the Authorized Reseller or D Link Branch Office nearest to the place of purchase This Warranty applies on the condition that the product Registration Card is filled out and returned to a D Link office within ninety 90 days of purchase A list of D Link o
18. console If you are using a PC run the terminal emulation software at this time After the PC and the terminal emulation software are up and running power on the router DI 308 ISDN Remote Router Using the Console The Console Program is the interface that you will be using to configure your DI 308 Several operations that you should be familiar with before you attempt to modify the configuration of your router are listed below e Moving the Cursor Within a menu use tab and arrow keys to navigate through different information fields e Moving Forward to Another Menu To move forward to a submenu below the current one use tab or arrow keys to position the cursor on the submenu item and press lt Enter gt to view the selected submenu e Entering Information There are two types of fields that you will need to fill in The first requires you to type in the appropriate information The second gives you choices to choose from In the second case press the space bar to cycle through the available choices Upon configuring all fields the submenu position the cursor on SAVE and press lt Enter gt to save or position the cursor on EXIT to cancel e Refresh Screen Console screens are notorious for becoming garbled When this happens simply press lt Ctrl gt lt R gt to refresh the contents of the screen Step 3 Connecting an ISDN Line to the Router Your phone company will provide an S T interface into your home or office
19. defined in the Host Table shown below e DNS Domain Name The domain name suffix in which the router resides to be appended to the host name defined in the host table e Forward DNS queries to A large server dedicated to resolving domain names on the Internet This field should contain the IP Address for the DNS closest to you e DNS Cache State When this item is enabled the router will add the domain names and IP Addresses it retrieves from DNS replies to it s DNS cache The host table allows the router to recognize host names on the network Up to eight host names can be entered in the table Your network servers especially your mail server should be defined here Leftover places in the table can be assigned to individual hosts to speed up routing In the example below the host name ctsnow is combined with the domain name defined in the DNS Configuration submenu above in this case dlink com to produce ctsnow dlink com The mapping in the example of ctsnow dlink com to the IP Address of 11 1 1 3 is only valid for computers which set the DI 308 router as their DNS server 70 DI 308 ISDN Remote Router 5 8 DNS Configuration Host Table JLDS 3 15 3 ctsnow 0 0 0 0 0 0 0 1 2 3 4 5 6 7 3 lt Disable gt lt Disable gt lt Disable gt lt Disable gt lt Disable gt Disable gt lt Disable gt Items are described as follows e IP The IP addr
20. dialing software before placing the call Make sure the device dialing in is using the same protocol as defined here The None setting may be used when you do not wish dial in users or networks to identify themselves or be subject to security e Call Bumping This setting only takes effect when both B channels are connected and using multi link PPP If this is the case and call bumping is enabled when you receive an outgoing voice call the second B channel will be dropped with all traffic being moved to the first B channel and the voice call will be received If disabled both B channels will continue their data transmissions uninterrupted and the voice call will be ignored e State Enables or disables the ISDN port Network Configuration There is one main item on the DI 308 Network Configuration menu 21 DI 308 ISDN Remote Router 3 Network Configuration 1 IP Configuration EXIT IP Configuration IP protocol configuration and static routes are configured in the IP Configuration submenu This menu is shown below 3 1 IP Configuration IP Stack Configuration Z IP Static Route IP Networking lt Enable gt Router Advertisement lt Disable gt SAVE EXIT IP Stack Configuration The network interface IP address mask and protocols are specified in the IP Stack Configuration submenus 22 DI 308 ISDN Remote Router 3 1 1 IP Stack Configuration ISDN Lin
21. explained in the comment line above as meaning IP routing statistics disable is the parameter you set Configuration File Example The system configuration file for D Link DI 308 ISDN Remote Access Router DI 308 runtime image file name software update path and file name di308 image d project di308 runtime image 308run 308run hdr sysname string name sysname DI 308 ISDN Router syscontact string name syscontact Engineering Administrator syslocation string name syslocation Lihsing Road VII Science Park systimeout setting in minutes 0 means no timeout systimeout 15 telnet stat enable disable telnet disable discovery stat enable disable discovery enable ip routing stack enable disable ip routing enable interface description string name lan port System 10BaseT Lan Interface port stat enable disable port stat enable ip address 116 DI 308 ISDN Remote Router ip address 202 39 74 115 subnet mask ip netmask 255 255 255 0 routing protocol type 0 RIPv1l 1 RIPv2 2 RIPv1 amp 2 routing type 2 routing operating mode 0 None 1 Listen 2 Talk 3 Both operating mode 1 ip routing stat enable disable ip stat enable interface description string name isdn port ISDN DSS1 Interface interface switch type 0 DSS1 switch type 0 interface country code 0 255 country code 0 B channel usage 0 None 1 Leased 2 Switch bl usage 2 b2 usage 2 SDN data call phone number strin
22. network addresses 128 0 0 0 and 191 255 0 0 are reserved and in class C the network addresses 192 0 0 0 and 223 255 255 0 are reserved The value s in the host portion of a physical device s IP address can be in the range of 0 through 255 as long as this portion is not all O or all 255 Values outside the range of 0 to 255 can never appear in an IP address 0 to 255 is the full range of integer values that can be expressed with eight bits The network portion must be the same for all the IP devices on a discrete physical network a single Ethernet LAN for example or a WAN link The host portion must be different for each IP device or to be more precise each IP capable port or interface connected directly to that network The network portion of an IP address will be referred to in this manual as a network number the host portion will be referred to as a host number To connect to the Internet or to any private IP network that uses an Internet assigned network number you must obtain a registered IP network number from an Internet authorized network information center In many countries you must apply through a government agency however they can usually be obtained from your Internet Service Provider ISP If your organization s networks are and will always remain a closed system with no connection to the Internet or to any other IP network you can choose your own network numbers as long as they conform to the above rules If yo
23. of IP addresses to be assigned Range This is the range of contiguous IP addresses above the base IP Address above In the above example the IP addresses assigned host computers as they come onto the network would be 202 93 47 1 202 93 47 2 202 93 47 100 Netmask This mask informs the client how the destination IP address is to be divided into network subnet and host parts The netmask has ones in the bit positions in the 32 bit address which are to be used for the network and subnet parts and zeros for the host part Gateway This specifies the Gateway IP Address that will be assigned to and used by the DHCP clients Lease Time This specifies the number of hours a client can lease an IP address from the dynamically allocated IP pool The maximum value is 65535 and a value of 0 means the lease is permanent DNS IP This specifies the Domain Name System server used by the DHCP clients using leased IP addresses to translate hostnames into IP addresses or vice versa 44 DI 308 ISDN Remote Router e WINS IP This specifies the IP address of the Windows Internet Naming Service server This server has software that resolves NetBIOS names to IP addresses e Domain Name This is the common suffix shared by networked hosts used to represent a common network domain e State This enables or disables the dynamic IP Pool function Static IP Pool The Static IP Pool configuration functions in much t
24. packets received by the router that did not end on a byte boundary The receipt of a 79 DI 308 ISDN Remote Router misaligned packet will generate a single NOA event regardless of the number of misaligned octets in the packet e Rx Abort Packet The number of packets that were dropped due to user generated breaks in the transmission that occurred while a packet is being received e Rx CRC Packets The number of packets received that failed the CRC checksum test e Rx Overrun Packets The number of packets received that exceed the 1518 octet maximum length imposed on Ethernet packets Overrun packets are generated by some proprietary software applications e Rx CD Lost Packets Carrier Detect Lost This counts the number of Carrier Detect packets that were lost by the router e Rx Framing Err Packets Packets with framing errors can occur on the ISDN port only when using HDLC in sync mode This parameter counts the number of lost start stop flags e Rx Parity Err Packets The number of times parity errors occurred on the line Runtime Tables There are three types of runtime tables maintained by the DI 308 7 3 Runtime Tables IP Routing Table ARP Table PPP Table EXIT IP Routing Table The IP Routing Table gives you a snapshot of the IP routing table Table entries will expire after the Age value in the table counts down to zero seconds except for entries for the router itself whic
25. procedure System Restart The system restart function enables you to reset the DI 308 without powering off Some setting changes require a system restart in order for them to take effect 93 DI 308 ISDN Remote Router 7 7 System Restart Are you sure you want to restart Yes A system restart will not affect the router s settings but will clear all tables including the routing table and all SNMP counters and tables It is also used to initiate a software update Factory Reset Performing a factory reset erases all settings and tables All configuration changes ever made to the router will be deleted The router will be set to the factory defaults it was shipped with and will no longer have an IP address 7 8 Factory Reset WARNING Performing a factory reset will erase all settings Are you sure you wish to proceed Yes 94 DI 308 ISDN Remote Router Please make sure you wish to wipe out all settings and configure the router from scratch before you perform a factory reset System Settings Backup Restore The backup and restore system setting functions are used to backup the router settings The files created by this process are different than a configuration file or the software update file that are used in the Software Update submenu The files defined here can be used as a backup for all the router settings and can be used to configure another DI 308 with exactly the same settings or as a b
26. the Internet since it will be sending and receiving data directly to the Internet and is therefore part of it Please study the example diagram below carefully 57 DI 308 ISDN Remote Router Single Global IP Address 176 220 22 1 ISDN Port NAT Translator Local IP LAN 192 168 100 1 Router Please note that in the above diagram the Gateway IP address settings for the local PC s needs to be set to 192 168 100 1 the LAN IP address of the router NAT manipulates the IP addresses in packet headers on a one to one basis An outgoing data packet a packet originating from a computer on the local LAN and destined for a computer outside the private network will have its IP address translated as shown below Router Outbound Data Packet on LAN Outbound Data Packet on ISDN Source IP Destination Source P Destination Data Local IP Address IP Address Data Global IP Address IP Address In the Outgoing Data Packet above the Source IP address is the IP address that is translated by NAT The Destination IP Address is the IP address of a computer outside the private network on the Internet for example And the Data portion of the packet is the information payload borne by the packet for instance a request to view a web page The router logs the changes made to the IP header in its NAT table The NAT table enables the router to send replies back to the local computer as shown below Router Inbound Dat
27. the two ISDN ports have established a connection the router will check to see if they are connected to the same source and whether the source supports MLPPP If both conditions are met the router will automatically bundle the two links together as an MLPPP connection 5 10 Multi Link PPP Configuration Bandwidth On Demand BOD Criteria BOD High Threshold BOD Low Threshold i Add Bandwidth Delay sec Subtract Bandwidth Delay sec 10 Items in the Multi Link PPP Configuration window are described as follows 73 DI 308 ISDN Remote Router e Bandwidth on Demand Enables or disables BOD When enabled BOD will manage the implementation of MLPPP using the parameters defined in this window e BOD Criteria TX RX or TX or RX where TX is Transmit and RX is Receive The parameter defined here is used when monitoring the BOD High Threshold and BOD Low Threshold e BOD High Threshold 0 to 100 The throughput value as a percentage of total bandwidth which will cause the next ISDN port having Multi Link PPP enabled to dial up and add bandwidth to the connection This value however must be constantly exceeded for the time designated in the Add Bandwidth Delay field before the next ISDN port dials out e BOD Low Threshold 0 to 100 The throughput value as a percentage of total bandwidth which will cause the highest numbered ISDN port in the MLPPP bundle to hang up thus subtracting bandwidth f
28. to the RS 232 Diagnostic port Depending on the placement of the management station using Telnet the initial configuration requirements for the router are as follows Using Telnet via LAN Preparing the router for management by Telnet over the LAN only requires enabling the LAN port enabling Telnet and assigning the LAN port an IP address To do this 1 Connect a console to the RS 232 Diagnostic port on the rear panel of the router and run a terminal emulation program for more information see Connecting the Console to the Router and Setting Up the Console sections of this manual 2 Enable the LAN port in the Interface Configuration submenu 3 Assign an IP address to the LAN port in the Network Configuration submenu 4 Enable Telnet in the Advanced Functions submenu 5 Connect the router to the LAN The router can now be accessed via the LAN by the included Windows based Configuration program Telnet and SNMP management applications For more detailed information regarding these procedures please refer to the Connecting the Router section of this manual For more information about the submenus please refer to the Configuration and Management chapter of this manual Using Telnet via ISDN Preparing the router for management by Telnet over ISDN lines requires more initial configuring of the router via the console To do this you must configure an ISDN port for dial in users 104 DI 308 ISDN Remote Router Sys
29. use these tools in greater detail The System Maintenance submenu appears as follows 75 DI 308 ISDN Remote Router 7 System Maintenance Statistics Runtime Tables Log and Trace Diagnostic Software Update System Restart Factory Reset System Settings Backup Restore wD OJD in bh oN nt en Oe eee ee ee EXIT System Status The System Status submenu displays key information about the router and appears as follows 7 1 System Status Protocol Link Speed Tx Pkt Rx Pkt ISDN Bl Switch Down 64000 ISDN BZ Switch Down 64000 System Information Model Name DI 308 Firmware Version 1 00 Build Time Jul 27 16 48 25 2000 Config Version 1 1 ISDN Version 1 06 ISDN Bl CLID ISDN BZ CLID Statistics This feature displays some of the counters contained in MIBI and the proprietary MIB The table is updated every 5 seconds and the counter table can be reset by 76 DI 308 ISDN Remote Router performing a system reset on the router Note that performing a system reset clears ALL tables in the router including the routing table 7 2 Counter ISDN Bl ISDN B LAN Counter Table LAN Tx Packets 23 Rx Packets 984138 Tx Bytes 3146 Rx Bytes 81573635 Tx Discard Packets 0 Rx Unknown Packets 893546 Tx Error Packets oO Rx Discard Packets 26812 Tx Collision Packets 0 Rx Error Packets 0 Tx Abort Packets oO Rx CRC Packets Tx Underrun Packets O0 Rx FAE Packets
30. 0mA power input jack If the power adapter included with the router has been lost or misplaced please ensure that the replacement adapter meets both the voltage and amperage requirements CONSOLE This 9 pin RS 232 port is used for connecting a console or PC running a terminal emulation program It provides out of band management capabilities for the initial setup and configuration of the router PHONE 1 and 2 These normal telephone jacks can be used to connect telephones or fax machines to the router for use over the ISDN lines Plug telephone devices into these jacks as you normally would into a telephone wall socket ISDN This socket is used to connect the ISDN line to either an NT 1 or directly to the ISDN wall jack depending on the type of service delivered by your phone company ETHERNET The eight Ethernet ports function as a normal dual speed NWay Ethernet switch e Uplink This port is used to connect the router to another switch or hub using a straight through twisted pair cable When the Uplink port is used Port 1x is unavailable e Ports 1x to 8x These eight ports can be used to connect end stations to the router using straight through cables DI 308 ISDN Remote Router Telephone Features Up to two telephones can be attached to the DI 308 router via the Phone 1 and Phone 2 telephone
31. 308 ISDN Remote Router e RADIUS State Use to Enable or Disable RADIUS e Type Refers to the type of external password protocol Currently only RADIUS is supported e Server IP Address This is the IP Address of your Unix or NT based RADIUS server e Port The port number for the RADIUS server The standard port number specified by RFC 1700 is 1812 shown above e Key This is a shared secret used to identify the DI 308 as a valid RADIUS client The Key password should be stored in the client file in the RADIUS server s etc raddb directory Lines of the form Client Name Key 192 1 68 0 61 dlink_customer should be added to the client file The Client Name field in the file gives the IP address of the DI 308 and the Key field should be the same as the Key field in the RADIUS Configuration submenu After a RADIUS server has been configured the DI 308 will use it to authenticate all users instead of checking its internal Dial In User Profile Adding Users to the RADIUS Database The DI 308 only uses the RADIUS database for user authentication Except for the User Name Password and Framed_IP_Address fields most standard RADIUS attribute fields are ignored by the DI 308 To add a user to the RADIUS database edit the users file in the RADIUS server s etc raddb directory and add a line similar to the following joeuser Password joepassword Each user should have a user name pass
32. 7 DI 308 ISDN Remote Router 7 4 3 Packet Triggered Last Call Packet Type IP 45 00 00 30 8B 61 40 00 7F 06 DC 89 OB 14 06 01 CF 2E B3 99 04 47 00 50 1E 03 DF 31 00 00 00 00 70 02 40 00 AD 76 00 00 02 04 05 B4 01 01 04 02 Diagnostic This feature tests the connection between the router and connected peripherals on a given interface 7 5 Diagnostic Connection Test IP Ping Test Loopback Test System LAN System ISDN EXIT Connection Test This feature tests a dial out ISDN connection 88 DI 308 ISDN Remote Router Connection Test Interface ISDN L1 gt Phone Number 5553434 Connection Test Dial Out Hang Up e Interface The ISDN B channel to be tested e Phone Number The phone number that will be dialed by the ISDN Interface Please ensure that a modem answers the phone on the other end e Connection Test Position the cursor over this item and press lt Enter gt to begin the test The router will dial the phone number defined above try to establish a valid link with the answering ISDN device and hang up This test can only be performed if the Interface is disabled in the Interface Configuration ISDN submenu e Dial Out Press lt Enter gt to begin the test The router will dial the phone number above and negotiate a connection with the answering device In order for this test to work a Remote Network Profile must be created
33. ALY Via Nino Bonnet No 6 b 20154 Milano Italy TEL 39 02 2900 0676 FAX 39 02 2900 1723 E MAIL info filink it JURL www dlink it D LINK JAPAN 10F 8 8 15 Nishi Gotanda Shinagawa ku Tokyo 141 Japan TEL 81 3 5434 9678 FAX 81 3 5434 9868 URL www d link co jp E MAIL kida d link co jp D LINK RUSSIA Michurinski Prospekt 49 117607 Moscow Russia TEL 7 095 737 3389 7 095 737 3492 FAX 7 095 737 3390 E MAIL vl dlink ru D LINK INTERNATIONAL 1 International Business Park 03 12 The Synergy Singapore 609917 TEL 65 774 6233 FAX 65 774 6322 URL fyww dlink intl com E MAIL info dlink com sg D LINK SOUTH AFRICA Unit 2 Parkside 86 Oak Avenue Highveld Technopark Centurion Gauteng Republic of South Africa TEL 27 0 126652165 FAX 27 0 126652186 CELL NO 0826010806 Bertus Moller CELL NO 0826060013 Attie Pienaar E MAIL bertus d link co za attie d link co za D LINK SWEDEN P O Box 15036 S 167 15 Bromma Sweden TEL 46 0 8564 61900 FAX 46 0 8564 61901 E MAIL info dlink se URL www dlink se D LINK TAIWAN 2F No 119 Pao Chung Road Hsin Tien Taipei Taiwan R O C TEL 886 2 2910 2626 FAX 886 2 2910 1515 URL www dlinktw com tw E MAIL dssqa tsc dlinktw com tw D LINK EUROPE D Link House 6 Garland Road Stanmore London HA7 1DP U K TEL 44 20 8235 5555 FAX 44 20 8235 5500 BBS 44 20 8235 5511 URL fyww dlink co uk E MAIL info dlink co uk D LINK U S A 53 Discovery Drive Irvine CA 92618 USA TEL
34. Auto This obtains and utilizes the IP address assignment from your ISP Internet Service Provider 2 Disable This disables this interface 3 IP Stack This enables this interface and the IP address used will be the value of the parameter IP Address 4 Unnumber This utilizes a method of connecting this router with adjacent routers without having to define an IP network prefix between them The adjacent routers must have UNNUMBER capability too e Routing Protocol This is a distance vector routing protocol RIP is an Internet standard Interior Gateway Protocol defined in RFC 1058 and RFC 1723 Routing information is sent periodically each 30 seconds or triggered by topology 24 DI 308 ISDN Remote Router change to an adjacent router The adjacent router must be using the same protocol Setting this to RPV amp V2 will give the router the ability to make routing information exchanges with any adjacent router Routing Mode This parameter allows the router to specify the extent to which it partakes in the RIP on this port The options are described below 1 None The router will not participate in any RIP exchange with adjacent routers 2 Listen The router will incorporate routing information from adjacent routers but will not send its own routing table 3 Talk The router will send adjacent routers its own routing table but will not incorporate routing information from them 4 Bot
35. D Link DI 308 ISDN Router User s Guide Rev 02 August 2000 6DI308 02 Printed in Taiwan RECYCLABLE Copyright Statement Copyright 2000 D Link Corporation No part of this publication may be reproduced in any form or by any means or used to make any derivative such as translation transformation or adaptation without permission from D Link Corporation D Link Systems Inc as stipulated by the United States Copyright Act of 1976 Trademarks D Link is a registered trademark of D Link Corporation D Link Systems Inc All other trademarks belong to their respective owners FCC Warning This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna Increase the separation
36. IP Address of the ISDN port on the branch office router This configuration assumes there is a modem on ISDN2 maintaining a dial up connection to the branch office IP Networking Under the IP Configuration submenu the IP Networking function can toggle to connect disconnect this router from the entire IP network When IP Networking is disabled all routing functions are stopped The only IP Address the router will act on is its own via Telnet for example Router Advertisement When this option is enabled the router will periodically send out ICMP packets that announce itself on the network These ICMP packets are utilized by the Windows 98 or later operating system which will automatically update the default gateway setting on the computer in which it is installed SNMP Agent Configuration The Simple Network Management Protocol SNMP defined in STD 15 RFC 1157 is a protocol governing the management and the monitoring of IP network devices and their functions The DI 308 supports the use of SNMP to acknowledge communication between management stations and itself Basically the DI 308 27 DI 308 ISDN Remote Router when connected to the network acts as an SNMP agent a software process that responds to queries using SNMP to provide status and statistics about the router Following is a description of how to configure the DI 308 for SNMP management 4 SNMP Agent Configuration SNMP Community Configuration
37. N port IGMP Version Configures the router to use either IGMP version 1 or 2 A major difference between the two is that version 2 allows the router to communicate multicast information with other routers via the ISDN port even if the other router isn t using DVMRP DHCP Client LAN This feature allows the LAN port to be assigned an IP address from a DHCP server other than the one in the router This feature should be enabled only for special configurations such as the presence of a cable modem on the LAN where you wish the router to work with a device on the network that must act as a DHCP server Otherwise this feature should be kept disabled RIP Spoofing ISDN This feature should only be enabled if you have more than one router on your network and this router is providing your WAN connection In this case if the WAN connection is dropped due to inactivity and 25 DI 308 ISDN Remote Router this feature is enabled RIP packets will be sent to the other routers on the network telling them that data can still be sent to the WAN via this router Otherwise the other routers will learn that the WAN link has been disconnected and will no longer forward packets destined for the WAN to this router causing the packets to be dropped before Bandwidth on Demand has a chance to reestablish the WAN connection IP Static Route A Static route is a permanent entry in the routing table Static routing provides a means of expl
38. Plug the ISDN line from the router directly into the ISDN wall socket provided by your phone company Step 4 Connecting a Telephone or Fax Machine to the Router You can connect a regular telephone fax machine or modem to your router to be used for analog calls Note that the router s other functions all work the same whether you connect an analog device or not To connect an analog device just plug one end of the device s cord into one of the sockets on the back of the router marked PHONE 1 or PHONE 2 To have incoming calls directed to a device on a PHONE jack you must enter the telephone number for the phone in the console program under the Interface Configuration ISDN submenu Step 5 Connecting Ethernet Cables to the Router Your DI 308 has eight ports for connecting Ethernet devices to form a LAN The jacks for ports 1 through 8 are wired to let you connect network end nodes computers servers bridges other routers etc using up to 100M of standard straight through Category 5 UTP cable In addition an Uplink jack is wired to let you connect to another Ethernet or dual speed switch using a straight through cable 10 DI 308 ISDN Remote Router or an end node using a cross wired cable Please note that when the Uplink port is in use Port 1x is unavailable Please refer to the following chart when deciding on the type of cable necessary for a given connection DEVICE PORT DEVICE BEING PORT CABLE TO
39. Protocol Protocol Name Description 1 ICMP Internet Control Message RFC792 2 IGMP Internet Group Management RFC1112 6 TCP Transmission Control RFC793 8 EGP Exterior Gateway Protocol RFC888 DLM 1 9 IGP any private interior gateway IANA used by Cisco for their IGRP 17 UDP User Datagram RFC768 JBP 46 RSVP Reservation Protocol Bob Braden 88 EIGRP EIGRP CISCO GXS 115 L2TP Layer Two Tunneling Protocol Aboba IP Port Numbers Service TCP UDP Notes FTP 21 File Transfer Telnet 23 SMTP 25 Simple Mail Transfer DNS 53 53 Domain Name Server Finger 79 WWWHTTP 80 World Wide Web HTTP POP3 110 Post Office Protocol Version 3 137 137 NetBios Name Service 138 138 NetBios Datagram Service 139 139 NetBios Session Service SNMP 161 SNMP Trap 162 112 DI 308 ISDN Remote Router General Ports Number of Ports 8 Ethernet ports RJ 45 2 Analog phone ports RJ 11 1 Console port DB 9 RS 232 DCE LED Readout Power Test ISDN Link B1 B2 Ethernet Link Act 100 10M 1 2 3 4 5 6 7 8 Phone 1 2 LAN Standard IEEE 802 3 802 3u LAN Protocol CSMA CD Data Transfer Rates 10 100Mbps auto negotiation Network Cables 10BASE T 2 pair UTP Cat 3 4 5 100m max length EIA TIA 568 100 ohm screened twisted pair 100BASE TX 2 pair UTP Cat 5 100m max length EJA TIA 568 100 ohm screened twisted pair ISDN Standard PPP Multi
40. Singapore Malaysia Spain Portugal Israel Poland Czech Republic Hungary Slovenia Estonia Slovakia New Zealand Korea Philippines International 115 Thailand Turkey Greece Argentina Austria Bangladesh Belgium Brazil Bulgaria Canada Chile Colombia Egypt Hong Kong India Indonesia Iran Iraq Ireland Mexico Peru Portugal Romania Russia Saudi Arabia South Africa Ukraine Sri Lanka DI 308 ISDN Remote Router Appendix F Configuration File The router can be configured when performing a Software Update through a configuration file The configuration file can hold many settings for the router including IP Addresses for all ports path to the boot server and various port settings The configuration file is very useful if you wish to update your software and keep all or most of your settings the same The configuration file should be saved with the extension SYS in the same directory as the runtime image file software update file An example configuration file is shown below Please note that Comment This line describes the actual configuration in the next line You can also use this feature to mask items you don t need to be configured rather than deleting them Format Keyword lt Space gt Parameter For example the very last line ip stat disable ip stat is the keyword as
41. Z SNMP Trap Manager Configuration 3 SNMP Authenticated Trap lt Disable gt SAVE EXIT From the Main Menu select SNMP Agent Configuration This will bring you to the SNMP Agent Configuration menu shown above SNMP Community Configuration Select and enter the SNMP Community Configuration submenu You will see the following configuration screen 28 DI 308 ISDN Remote Router 4 1 SNMP Community Configuration SNMP Community String Access Right Status fpublic H Read Only gt lt Valid gt private lt Read Write gt Valid gt Read Only gt lt Invalid gt lt Read Only gt lt Invalid gt The parameters are described below e SNMP Community String This community string is a user defined identifying name used to group together some arbitrary set of SNMP application entities managed by the network manager e Access Right This element of the set Read Only Read Write is called the SNMP access mode If the SNMP Community String has an Access Right of Read Write then that Community String is available as an operand for the get set and get next operations Otherwise if the Community String s corresponding Access Right is Read Only then it is available as an operand for the get and get next operations only e Status This validates or invalidates the use SNMP Community String by setting the string to Valid or Invalid Note that setting the use of the string to Invali
42. a Packet on LAN Inbound Data Packet on ISDN Destination IP Source NAT lt Destination IP Source Local IP Address IP Address Dale Translator Global IP Address IP Address Data In the Inbound Data Packet above the Destination IP Address is the IP address that is translated by NAT The Source IP Address is the IP address of a computer outside the private network And the Data portion of the packet is the information payload borne by the packet for example the contents of a web page 58 DI 308 ISDN Remote Router NAT The actual information in the NAT table depends whether the router is implementing NAT or NAPT This section discusses the NAT protocol as opposed to NAPT which is discussed in the next section NAT is the initial protocol set forth by RFC 1631 and provides a means in which private networks can communicate with the Internet by using a small number of IP addresses In our discussion we will use the example IP addresses listed in the table below and the network diagram shown on page 58 Global IP Addresses Local IP Addresses for use with NAT assigned to computers on the local network 200 100 50 1 192 168 100 2 200 100 50 2 192 168 100 3 200 100 50 3 192 168 100 4 200 100 50 4 192 168 100 5 200 100 50 5 192 168 100 6 192 168 100 7 192 168 100 8 192 168 100 9 192 168 100 10 Please note that in the above table there are 9 users on the local network
43. ackup before you make major changes to the configuration 7 9 System Settings Backup Restore l Backup System Settings 2 Restore System Settings Select the first menu item and then press lt Enter gt 95 DI 308 ISDN Remote Router 7 9 1 Backup System Settings Remote IP Address 10 45 3 42 TFTP Time Interval 5 File Name d DI308 SETTINGS BAK Start Backup After filling in the top three fields select Start Backup and then press lt Enter gt Items in the windows above and below include e Remote IP Address This is the IP address of the TFTP server on which you wish to store the settings file e TFTP Time Interval The time between requests to occupy TFTP server time If the router doesn t receive a response ACK from the TFTP server within the time interval defined here it will assume the request has been dropped and send another e File Name Specifies the complete path and filename on the TFTP server for the settings file 96 DI 308 ISDN Remote Router 7 9 2 Restore System Settings Remote IP Address fo 0 0 0 F TFTP Time Interval 10 File Name Start Restore After filling in the top three fields select Start Restore and then press lt Enter gt 97 DI 308 ISDN Remote Router PROM System Configuration The PROM program is run before the normal console runtime configuration program in the router s Flash Memory Thus the PROM S
44. ations lists specifications about the DI 308 ISDN router Appendix E Country ID Numbers lists country ID numbers which must be entered when setting up the ISDN line on the router These numbers have no relation to the International Country Codes used by your telephone company Appendix F Configuration File includes a sample configuration file Regardless of the application it is important that you follow the steps outlined in Chapter 2 Installation to correctly connect your DI 308 to your LAN You can then refer to other chapters of the manual depending on your specific installation requirements What This Manual Doesn t Cover This manual assumes that you know how to use your computer and are familiar with your communications software If you have questions about using either one refer to the manual for the product DI 308 ISDN Remote Router Other Resources For more information about your DI 308 check the following sources Quick Start Guide Support disk containing RouteMan a Windows based configuration program Packing List Before you proceed further check all items you received with your DI 308 against this list to make sure nothing is missing The complete package should include One DI 308 ISDN router One power adapter One RS 232 cable One unshielded twisted pair UTP cable One frequently asked questions FAQ and application notes diskette One Quick Insta
45. ay have its value set between 1 and 15 inclusive A metric value higher than 15 such as 16 means that the network is unreachable 26 DI 308 ISDN Remote Router e Intf This is the network interface containing the gateway that the packets will be forwarded through e State This enables or disables a particular entry IP Static Route Examples The IP Static Route Table shown in the example IP Static Route screen above has the first three entries configured for common implementations of static routing The first entry assumes that ISDN1 has a connection to the Internet and defines the default next hop router If you use this router to connect to the Internet it is very important that you create an entry here that defines the default next hop router as your ISP This configuration is also commonly used when RIP exchanges with other Internet routers on ISDN1 are disabled The second entry shows how to configure static routes when there is another router on the LAN The IP Address shown 202 12 125 0 is the network address for a branch office for example The Gateway Address 210 172 23 1 is the IP address to the LAN port on another router on the LAN that maintains an ISDN connection to the branch office The third entry is an example of an enterprise ISDN connection through telephone lines to another router at a branch office for example The IP Address is the network address of the branch office The Gateway Address is the
46. between the three IP networks using the single LAN In this router multiple home configurations only apply to the LAN interface 54 DI 308 ISDN Remote Router Static ARP IP Address Z02 22 2 2 Netmask 255 255 255 Routing Protocol lt RIPVL gt Routing Mode lt Both gt IP Multicasting lt Enable gt Multicast Protocol lt DVMRP gt IGMP Version lt VZ gt The parameters are described below e IP Address This is a network IP address of a separate IP network on the LAN e Routing Protocol This is the same as in the Network Configuration section Keep in mind that these exchanges are made with adjacent routers on the LAN if present e IP Multicasting This enables or disables IP multicasting on the IP network you are defining All other parameters Netmask Routing Mode Multicast Protocol and IGMP Version are identical to those in the Network Configuration IP Stack Configuration ISDN screens This special function is intended to speed up the process of finding a host s Ethernet MAC address from its network address and provides a special condition any other host acting as an impostor by using the same IP address as the legitimate host will be ignored by this router Basically when a packet comes into the router from the ISDN line and is destined for a host on the LAN the router will use information defined here to immediately send the packet to the host rather than send out an ARP re
47. ce Buffer Configuration 2 View Trace Buffer EXIT Trace Buffer Configuration Enables or disables the Trace Buffer feature 7 4 2 1 Trace Buffer Configuration Interface A Direction lt In gt State lt Disable gt SAVE EXIT The contents are described as follows e Interface This is the interface from which the packets were captured e Direction The incoming or outgoing connection direction 86 DI 308 ISDN Remote Router e State Enables or disables the trace buffer feature View Trace Buffer Displays the header of packets captured in the buffer Time 126112 Caa eh hh a 126112 h 126112 Ph fa aa 126136 mo omo omo omol CO rh f 0 0 4 0 0 41 ff 0 0 1 f 0 0 0 MN Interface lt LAN Nek Connected 0 17 31 vT100 fen 8N 1 SCROLL CAPS NUM Capture Print echo The contents are described as follows e Interface This is the interface from which the packets were captured e Time In clock ticks The time the packet was captured e Data The contents of the header of the packet Packet Triggered Last Call This function enables you to determine what type of packet triggered the last call This is useful when a network administrator wants to control access and costs If a packet from an undesired source is found an IP Filter can be created to insure such a packet is discarded when received 8
48. chende Teile verwendet werden Der Einsatz von ungeeigneten Ersatzteilen kann eine weitere Besch digung hervorrufen Wenden Sie sich mit allen Fragen die Service und Repartur betreffen an Ihren Servicepartner Somit stellen Sie die Betriebssicherheit des Ger tes sicher Zum Netzanschlu dieses Ger tes ist eine gepr fte Leitung zu verwenden F r einen Nennstrom bis 6A und einem Ger tegewicht gr Ber 3kg ist eine Leitung nicht leichter als HO5VV F 3G 0 75mm2 einzusetzen Table of Contents onfigure NAPT for Special Ap elnet Discovery Enable DI 308 ISDN Remote Router Introduction Congratulations on your purchase of a D Link DI 308 remote access router with integrated Ethernet switch and ISDN T A No larger than an ordinary modem your router offers inexpensive yet complete telecommunications and internetworking solutions for your home or branch office It is ideal for everything from Internet browsing to receiving calls from Remote Dial in Users and making connections to other LANs via Remote Nodes Distinguishing features of the DI 308 include support for a full range of networking protocols including TCP IP Transmission Control Protocol Internet Protocol This complete solution also includes remote dial in user support an Internet single user account Network Address Translation option extensive network management capabilities and solid security features Product Features The DI 308 router is packed with fea
49. conjunction with Dial Configuration settings Please note that WAN connections to computers on other networks must be defined in the Remote Network Profile submenu Up to eight users can be set up to dial in to the router However more dial in users can be accommodated by using a RADIUS server as described in the RADIUS Configuration section of this manual Please note that when a RADIUS server is being used the Dial in User Profiles will be disabled Highlight one of the eight entries on the Dial In User Profile screen displayed below 37 DI 308 ISDN Remote Router 1 2 Dial In User Profile oO IHA oO kWN EXIT Press lt Enter gt to access the submenu that appears below Name charlieg Password Rem CLID 5550069 Default IP 10 201 22 65 IP Address Supply lt Default gt Call Back lt Disable gt Phone Number Supplied by lt Router gt Phone Number Idle Time 0 State lt Disable gt SAVE EXIT The parameters in the above window are described as follows e Name The maximum length is 64 characters This username is for password challenges authentication The user dialing in must supply this username in order to be allowed access to the router e Password This is the password associated with the above Name field 38 DI 308 ISDN Remote Router Rem CLID Remote Caller ID This is the telephone number of the Remote User and is used for security When a phone n
50. connections utilizing dial on demand the IP address of the remote router needs to be entered here so the router knows which remote network to establish a connection with to deliver the packet IP Address Supply This field defines how the router will assign an IP address to a device dialing in The choices include Default Uses the Remote IP address defined above Dynamic Taken from the Dial In IP pool or None The remote user supplies their own IP Address Multi Link PPP Enables or disables multi link PPP on this remote node Both MLPPP and Bandwidth On Demand BOD must be enabled for BOD to function If MLPPP is enabled and BOD is disabled then both ports will dial up establish a direct connection and combine the bandwidth of the two connections using the MLPPP protocol Please note that the DI 308 contains only one MLPPP bundle Compression This is an industry standard 4 1 Stac compression scheme When enabled the router will try to use compression on this remote node whenever possible If the destination device is not capable of using Stac compression the two devices will still communicate albeit without using Stac compression When disabled compression will never be used on this remote node State Enables or disables this Remote Network Profile DHCP Configuration The DI 308 Router implements the Dynamic Host Configuration Protocol DHCP which allows the entire IP network to be centrally managed by th
51. d in the Dial In User Profiles and Remote Network Profiles 3 Assuming a matching Dial In User Profile is found the router may configure the IP address of the remote station as defined in the Dial In User Profile 4 Configures a dial in Interface a virtual circuit to handle the connection 5 Establishes the connection on whichever B channel physical port is open by mapping the dial in interface to that port 6 In the case where the Dial In User does not need to supply a Username and Password Auth Type is set to None in the Interface Configuration submenu the remote computer must have its own IP address Network Connections Remote networks are defined as other networks LANs that have WAN connections using a router Internet server network modem or similar device in this document however we will assume the remote device is a router In almost all cases a Remote Network Profile needs to be set up for each network that will connect to the DI 308 via the ISDN lines The Remote Network Profiles are necessary for the router to identify and tailor the connection to the remote network s router Once this is done a connection between the two routers can be made and computers on each network can communicate with each other Dial In Network Connections A dial in network connection is very similar to a dial in user connection When the remote router dials into the DI 308 the call comes into the D channel and after answering the pho
52. d is the same as removing the string however the string remains so as to be validated at an appropriate time SNMP Trap Manager From the SNMP Agent Configuration menu select and enter the SNMP Trap Manager submenu You will see the following configuration screen 29 DI 308 ISDN Remote Router 4 2 SNMP Trap Manager IP Address SNMP Community String State lt Invalid gt 0 0 0 0 lt Invalid gt 0 0 0 0 lt Invalid gt 0 0 0 0 lt Invalid gt 0 0 0 0 lt Invalid gt SAVE EXIT The parameters are described below e IP Address Enter the IP address of the host who will act as an SNMP Management Station The DI 308 router will send SNMP traps to these addresses e SNMP Community String The community string is a user defined identifying name used to group together some arbitrary set of SNMP application entities managed by the network manager Traps will be sent to the IP Address previous parameter as long as the corresponding Community String in the Management Station s trap manager software is the same e State This validates or invalidates the use of the SNMP Community String by setting the use of the string to Valid or Invalid Note that setting the string to Invalid is the same as removing the string however the string remains so as to be validated again at an appropriate time SNMP Authenticated Trap Returning to the SNMP Agent Configuration menu you can E
53. dlink com au info dlink com au D LINK CANADA 2180 Winston Park Drive Oakville Ontario L6H 5W1 Canada TEL 1 905 829 5033 FAX 1 905 829 5223 BBS 1 965 279 8732 FREE CALL 1 800 354 6522 URL www dlink ca FTP ftp dlinknet com E MAIL D LINK SOUTH AMERICA Isidora Goyenechea 2934 of 702 Las Condes Santiago Chile TEL 56 2 232 3185 FAX 56 2 2320923 URL www dlink cl E MAIL ccasassu dlink cl tsilva dlink cl D LINK DENMARK Naverland 2 DK 2600 Glostrup Copenhagen Denmark TEL 45 43 969040 FAX 45 43 424347 URL jwww dlink dk E MAIL info dlink dk D LINK MIDDLE EAST 7 Assem Ebn Sabet Street Heliopolis Cairo Egypt TEL 202 2456176 FAX 202 2456192 URL E MAIL support dlink me com fateen dlink me com D LINK FRANCE Le Florilege 2 Allee de la Fresnerie 78330 Fontenay Le Fleury France TEL 33 1 30238688 FAX 33 1 3023 8689 URL www dlink france fr E MAIL nfo dlink france fr D LINK GERMANY Bachstrae 22 D 65830 Kriftel Germany TEL 49 0 6192 97110 FAX 49 0 6192 9711 11 URL www dlink de BBS 49 0 6192 971199 Analog 49 0 6192 971198 ISDN INFO LINE 00800 7250 0000 toll free HELP LINE 00800 7250 4000 toll free REPAIR LINE 00800 7250 8000 E MAIL mbischoff dlink de mboerner dlink de D LINK INDIA Plot No 5 Kurla Bandra Complex Road Off Cst Road Santacruz E Bombay 400 098 India TEL 91 22 652 6696 FAX 91 22 652 8914 URL www dlink india com E MAIL service dlink india com D LINK IT
54. e necessary for email web ftp servers etc where static IP addresses are essential for operation Dynamic NAT Maps one global IP address to one local IP address Global IP addresses will be dynamically reassigned to different local IP addresses if not currently being used This allows a larger number of users to use a small number of IP addresses Static NAPT One to one mapping of UDP TCP port numbers to let packets with specific UDP TCP port numbers enter the local IP domain The NAPT map table will not age This option may be necessary for email web ftp servers etc where static port numbers are essential for operation Setting the global port number to 0 opens port numbers 1024 to 65535 for the designated local IP address creating a visible computer This allows a computer to be freely accessed by other computers on the Internet which is necessary for some applications to function correctly when using NAPT including Microsoft NetMeeting CUSeeMe etc Dynamic NAPT One to one mapping of UDP TCP port numbers The NAPT map table will age This option allows many hosts to use a single globally unique IP address and thus will only be used on outbound packets e State Enables or disables this NAT configuration NAT IP Pool Configuration Screen Now you must select enter and configure the NAT IP Pool from the NAT Configuration submenu shown below Dynamic NAT This screen below is how the NAT IP Pool appears i
55. e router It does this by assigning IP addresses and configuration parameters to hosts as they are powered on and come onto the network This can be a great help for network administration 42 DI 308 ISDN Remote Router since many administrative tasks such as keeping track of each computer s IP address are handled by the router The DI 308 can implement DHCP in one of the two ways shown below 5 2 DHCP Configuration l DHCP Server Configuration 2 DHCP Relay Agent DHCP Server Configuration When acting as a DHCP server the DI 308 will manage many of the IP network parameters The DI 308 will never assign a broadcast or network IP addresses to hosts even if such an address is included in the specified range 5 2 1 DHCP Server Configuration l Dynamic IP Pool 2 Static IP Pool EXIT 43 DI 308 ISDN Remote Router Dynamic IP Pool The Dynamic IP Pool screen shown below contains the parameters that the router can set on the hosts Please note that the dynamic IP pool cannot be enabled when the DHCP Agent feature is enabled 5 2 1 1 Dynamic IP Pool IP Address 202 93 47 1 Range 100 Netmask 255 255 255 0 Gateway 202 93 47 254 Lease Time 72 DNS IP 140 113 1 1 WINS IP 0 0 0 0 Domain Name dlink com State Enable gt EXIT The parameters are described below IP Address This is the base starting address for the IP pool
56. e traffic on ISDN 1 ISDN 2 falls below 20 of the 128 kbps connection 25 6 kbps for more than 10 seconds ISDN 2 will hang up and all traffic will be handled by ISDN 1 For the above configuration to work both ISDN ports need to have been properly set up to establish dial out PPP connections and have Multi Link enabled Also note that ISDN 1 being the B channel that initiated the call in the MLPPP bundle and thus the primary link is not subject to the BOD Low Threshold parameter and will never hang up due to BOD considerations The primary link can however be subject to Dial on Demand DOD settings and could thus disconnect if Dial on 74 DI 308 ISDN Remote Router Demand is enabled and the Idle Time parameter is met Dial on Demand settings are located in the Advanced Functions Dial Configuration submenu Admin Configuration This feature allows you to define two names as well as two passwords which are used to login to the router for configuration and management and is shown below 6 Admin Configuration Name Password Admin RENEE lI Guest Guest JI SAVE EXIT Please note any changes made here as they are necessary for logging into the console program System Maintenance Your console program includes many useful tools for maintaining your device These tools include updates on system status upgrades to the system software analysis diagnostic tools and more This section will describe how to
57. ers are described as follows e Interface The LAN interface must use Ethernet Fast Ethernet and is displayed here This setting cannot be adjusted e IP Address This is the router s IP Address for the LAN interface e Subnet Mask This mask shows how the LAN is to be divided into network subnet and host parts e Default Gateway This is the default gateway for the LAN If this router will be the default gateway for the LAN then the address should be 0 0 0 0 e Send BootP request upon power up If set to Yes when the router boots up it will attempt to acquire the path to the image file the TFTP server IP Address and the routers own IP Address System Reset The system reset function enables you to reset the DI 308 without powering off Some setting changes require a system reset in order for them to take effect 100 DI 308 ISDN Remote Router DI 308 Router System Reset Are you sure you want to proceed with System Reset Wh Yes A system reset will not affect the router s settings but will clear all tables including the routing table and all SNMP counters and tables It is also used to initiate a software update Software Update The Software Update option is used to change the software in the flash memory of the router This is the runtime software that is configured by the console and is used to setup the router and is described in full in the preceding chapter The runtime software sho
58. ess for the host e Host Name The host name used by the host e State Enables or disables entry 71 DI 308 ISDN Remote Router RADIUS Configuration RADIUS is an authentication protocol where passwords are stored on a RADIUS server RADIUS allows large numbers of passwords to be stored in a centralized location Before instituting RADIUS please setup and install a RADIUS server on the LAN 5 9 RADIUS Configuration RADIUS State Enable gt Type RADIUS Server IP Address 133 66 3 23 Port Number 1812 Key dlink customer save EXIT Items in the above submenu are described as follows RADIUS State Enables or disables RADIUS When enabled all settings in the Dial in User Profile are disabled Type Refers to the type of external password protocol Currently only RADIUS is supported Server IP Address This is the IP Address of your Unix or NT based RADIUS server Port The port number for the RADIUS server The standard port number specified by RFC 1700 is 1812 shown above Key This is a shared secret used to identify the router as a valid RADIUS client The RADIUS authentication service works for dial in users only Thus when RADIUS is enabled passwords for dial in users will no longer be checked in the dial in user profile Instead the authentication request will be passed on to the RADIUS server Remote networks routers dialing into the router will still
59. f Dynamic NAT was chosen for the Translation Mode parameter Each entry in this configuration can be used to map multiple contiguous global addresses and local addresses to each other 62 DI 308 ISDN Remote Router Dynamic NAT Global IP Range Local IP Range State 1 210 12 22 50 1 fi ile 2 100 lt Enable gt 2 0 0 0 0 1 0 J 0 0 0 0 1 0 Disable gt 3 0 0 0 0 I 0 J 0 0 0 0 0 lt Disable gt 4 0 0 0 0 0 0 0 0 0 1 0 Disable 5 0 0 0 0 0 0 0 0 0 1 0 Disable EXIT The parameters are described below Global IP An IP Address that is globally unique and valid on the Internet It is the base global address for the global addresses that will be recognized by the interface in the Global Interface parameter Range This is the range of contiguous global addresses above and including the base Global IP Local IP An IP Address that is only used in the stub domain since it is not unique It is the base local address for the local addresses that will be recognized by the interface in the Local Interface parameter Range This is the range of contiguous local addresses above and including the base Local IP State This toggles the enable disable for this NAT entry Dynamic NAPT This screen below is how the NAT IP Pool appears if Dynamic NAPT was chosen for the Translation Mode parameter Each entry in this configuration can be used to
60. ffices is provided at the back of this manual together with a copy of the Registration Card If the product proves defective within the applicable warranty period D Link will provide repair or replacement of the product D Link shall have the sole discretion whether to repair or replace and replacement product may be new or reconditioned Replacement product shall be of equivalent or better specifications relative to the defective product but need not be identical Any product or part repaired by D Link pursuant to this warranty shall have a warranty period of not less than 90 days from date of such repair irrespective of any earlier expiration of original warranty period When D Link provides replacement then the defective product becomes the property of D Link Warranty service may be obtained by contacting a D Link office within the applicable warranty period and requesting a Return Material Authorization RMA number Ifa Registration Card for the product in question has not been returned to D Link then a proof of purchase such as a copy of the dated purchase invoice must be provided If Purchaser s circumstances require special handling of warranty correction then at the time of requesting RMA number Purchaser may also propose special procedure as may be suitable to the case After an RMA number is issued the defective product must be packaged securely in the original or other suitable shipping package to ensure that it will not be dama
61. figuration is set up the router will send out an ARP request to obtain the MAC address of the destination computer or router and deliver the packet Note that defining Static ARPs can speed up delivery since the router won t need to send out an ARP request II In the case where the router finds a match in the routing table which includes IP Static Routes it uses the Gateway address and Interface numbers to identify the correct Remote Network Profile to use to dial out From the Remote Network Profile the router gets the telephone number and other information and dials out establishes a connection and delivers the packet If you have a connection to the Internet it is very important that you define the default next hop router in the IP Static Routes submenu of the console program as your ISP see the ZP Static Routes section of this manual for more detailed configuration information This is because if a user on your LAN makes a request to download a web page for the first time for instance since it is the first time the DI 308 will not have any record of the web page s IP address If no default next hop router is defined the request will be dropped and the user will get a Destination Unreachable error message However if a default next hop router is defined on the IP Static Routes screen the DI 308 will pass this request on to the ISP the request will go through and the user will receive the web page IV In the case where
62. figure two different screens The first one is accessible by positioning the cursor over the name field and hitting lt Enter gt in the window shown above this corresponds to the field 132 After configuring the NAT options in the Name field you must save the changes EXIT and position the cursor over the NAT IP Pool to configure variables there Name Field Configuration Screen The configuration screen for the name field appears as follows Global Interface ISDN Ll gt Local Interface LAN gt Translation Mode lt Dynamic NAPT gt State lt Enable gt SAVE EXIT 61 DI 308 ISDN Remote Router The parameters are described as follows e Name This is a 12 character alphanumeric user defined name used to identify the network address translation e Global Interface This is the interface corresponding to the Global IP and Range parameters in the NAT table to form unique IP address es known to the outside regional or Internet routers on this interface e Local Interface This is the interface corresponding to the Local IP and Range parameters in the NAT table to form local IP address es known only to this interface and the network within e Translation Mode There are five choices including None if no NAT is desired Static NAT Maps one global IP address to one local IP address After all global IP addresses are assigned they will remain static This option may b
63. for the connection e Hang up Press lt Enter gt to hang up after Dialing Out IP Ping Test This test makes sure there is an IP network connection to a particular IP address 89 DI 308 ISDN Remote Router IP Ping Test IP Address 17Z2 45 200 2 Count 10 Delay lOms 2 Start Ping Test e IP Address This is the IP Address of the device that the router will attempt to reach The router will check its routing table and try to locate the IP Address e Count The number of pings packets that will be sent A value of 0 will cause pings to be sent continuously e Delay 10ms The amount of time in 10 millisecond intervals between each ping in the Count e Start Ping Test Press lt Enter gt or lt Return gt to begin the test Loopback Test The loopback test is used to test the path ISDN network between your phone company s switch and the router 90 DI 308 ISDN Remote Router Loopback Test Press lt Enter gt to access the next screen Phone Number 5556262 Packet Length 64 Start Test e Phone Number Enter your own phone number here to establish a connection between your ISDN B1 and B2 channels e Packet Length 1 to 1500 bytes This field allows you to define different sized data packets to test the ISDN line e Start Test press lt Enter gt or lt Return gt to begin the test 91 DI 308 ISDN Remote Router System LAN Test T
64. g isdn data 5779110 6403 AB adapter phone number string abl adapter 835866 ab2 adapter 8358662 voice call waiting state enable disable call waiting disable voice call routing state 0 None 1 AS1 2 AB2 call routing 0 voice call global reception state enable disable global recpt disable blocking CLID state enable disable block clid disable port state enable disable port state enable ip address ip address 20 19 88 1 subnet mask ip netmask 255 255 255 0 routing protocol type 0 RIPv1l 1 RIPv2 2 RIPv1 amp 2 routing type 1 routing operating mode 0 None 1 Listen 2 Talk 3 Both operating mode 2 ip routing stat enable disable ip stat disable 117 DI 308 ISDN Remote Router Index A B Adapter 8 Access Right 36 Admin Configuration 82 Advanced Functions 37 Age 88 ARP request 40 ARP Table 89 Auth Type 39 automatic timeout 24 B Bearer channels 38 Bandwidth Allocation Control Protocol 9 Bandwidth Allocation Protocol 9 Bandwidth on Demand 38 81 Bandwidth On Demand See BOD BAP See Bandwidth Allocation Protocol B channel 39 40 BOD 9 Boot File Name 109 Boot Protocol 109 Boot Server IP Address 109 BootP amp TFTP 109 Call Back 49 Call Back Delay 44 Caller ID 46 48 Challenge Handshake Authentication Protocol See CHAP CHAP 9 28 Code 92 Compression 49 Configuration 23 Configuration File 123 Configuration File Example 123
65. ged in transit and the RMA number must be prominently marked on the outside of the package The package must be mailed or otherwise shipped to D Link with all costs of mailing shipping insurance prepaid D Link shall never be responsible for any software firmware information or memory data of Purchaser contained in stored on or integrated with any product returned to D Link pursuant to this warranty Any package returned to D Link without an RMA number will be rejected and shipped back to Purchaser at Purchaser s expense and D Link reserves the right in such a case to levy a reasonable handling charge in addition mailing or shipping costs Software Warranty service for software products may be obtained by contacting a D Link office within the applicable warranty period A list of D Link offices is provided at the back of this manual together with a copy of the Registration Card If a Registration Card for the product in question has not been returned to a D Link office then a proof of purchase such as a copy of the dated purchase invoice must be provided when requesting warranty service The term purchase in this software warranty refers to the purchase transaction and resulting license to use such software D Link warrants that its software products will perform in substantial conformance with the applicable product documentation provided by D Link with such software product for a period of ninety 90 days from the date of purchase from
66. h The router will incorporate routing information from adjacent routers and will send adjacent routers it s own routing table IP Multicasting This feature enables or disables the router s ability to route IP Multicast packets from one interface to another for example from the LAN ports to the ISDN port IP Multicasting is a bandwidth saving method for transmitting data to more than one host IP Multicasting is often used when sending receiving audio or video data When IP Multicasting is enabled the router will search its multicast forwarding table and depending on the result of the search will either forward the packet or add the group to the table If IP Multicasting is disabled all multicast packets received by the router will be dropped effectively limiting multicasting to the LAN The router can also perform DVMRP if this feature is enabled see Multicast Protocol below which allows the DI 308 to share multicast information with other routers enabling IP multicasting over the ISDN port Multicast Protocol If this parameter is set to None the router will only use the Internet Group Management Protocol IGMP if IP Multicasting is enabled above This effectively limits multicast data to the local network If set to DVMRP Distance Vector Multicast Routing Protocol the router will also use this protocol to share its multicast information with other routers much like RIP in effect enabling multicasting on the WAN ISD
67. h have an age value of zero but will never expire 80 DI 308 ISDN Remote Router IP Address Netmask 10 10 86 119 ISDN Ll1 1 172 16 133 0 255 255 255 0 172 16 133 133 LAN l IP Address This is the destination network IP address from an incoming packet Netmask This mask is received from RIP exchanges and internal calculations as the router learns Gateway This is the next hop router for which the packet with destination IP Address and qualifying Netmask will be forwarded If This is the outgoing interface for which the acceptable routing packet will be forwarded Hops This is the remaining hop count Age This is the time to live TTL value 81 DI 308 ISDN Remote Router ARP Table This Address Resolution Protocol table displays how the router maps individual IP addresses to specific MAC addresses IP Address MAC Address 172 16 133 71 OOSOBAOOO4BD 17Z 16 133 133 OOSOBAOD308C Next EXIT PPP Table This table displays which PPP protocol is negotiated and its present status PPP Status ISDN Link 1l ISDN Link 2 EXIT Select an entry and then press lt Enter gt 82 DI 308 ISDN Remote Router PPP Status Interface WAHL LEF gt Opened TRACP Onened BacP Opened EXIT Log and Trace This feature files events and errors that occurred and allows individual packets to be captured in a buffer These items are t
68. he DI 308 to establish a connection the DI 308 will dial Out to the other network or a connection can be established Both ways 40 DI 308 ISDN Remote Router When this is set to n the DI 308 will only establish a connection with the other network by receiving calls on the ISDN port specified in the Interface field below Also the incoming calls will be subject to the Name Password and Rem CLID fields in the Incoming section below When this is set to Out the router will only make calls on the ISDN interface specified in the Interface field below Also the outgoing calls will be subject to the Name Password and Phone Number fields in the Outgoing section below When set to Both the dial in and dial out conditions described above will both be observed e Interface ISDN Link 1 JSDN L1 or ISDN Link 2 JSDN L2 This field is used to assign a remote network to a logical virtual interface called a virtual circuit More than one remote network can be configured to use the same interface but they cannot be connected at the same time Thus if you wish to have two WAN connections operate simultaneously make sure they are configured on different interfaces On the other hand if you have two dial out remote network profiles but wish to keep one line always open for dial in users make sure the two dial out profiles use the same interface In this case the two profiles will share the same interface the second one using it af
69. he System LAN test is used to diagnose the LAN port It can only be run if the LAN port is disabled in the Interface Configuration submenu LAN Port 1 is enable now Diagnostic Aborted strike any key to continue System ISDN Test This test diagnoses the ISDN ports It can only be run if the ISDN port is disabled in the Interface Configuration submenu ISDN Chan 1 is enable now Diagnostic Aborted strike any key to continue 92 DI 308 ISDN Remote Router Software Update New routing software can be downloaded from a TFTP server If you do not have a TFTP server on your LAN you can use the included Router Configuration Utility to upgrade the software This Windows based utility has a built in TFTP emulator enabling you to use the computer connected to the LAN and running the Configuration Utility to upload the new software to the router 7 6 Software Update Menu Software Update Software Update Mode Network Boot Protocol lt TFTP ONLY gt Boot Server IP Address 172 116 133 693 Boot File Name 308runb5 010 Last Boot Server IP Address 0 0 0 0 Update Software from Configuration File No gt SAVE EXIT This is the same Software Update configuration information contained under the PROM System Configuration s Software Update screen The parameters are described in that section Performing a System Restart after configuring these settings begins the software update
70. he same way as the Dynamic IP Pool configuration The only difference is that a particular IP address can be assigned to a particular host This is used for hosts such as servers that need to have static IP addresses to function properly or to make them accessible to remote users The host is identified by the MAC address of its NIC which must be entered on this screen Highlight the desired entry on the Static IP Pool screen 2 1 2 Static IP Pool Configuration EXIT Press lt Enter gt to access the following screen 45 DI 308 ISDN Remote Router IP Address 202 93 47 150 Netmask 255 255 255 0 Gateway 202 93 47 254 DNS IP 140 123 23 1 WINS IP 0 0 0 0 State Enable gt MAC Address Ox 0000F4959924 Domain Name dlink com The parameters are described below e IP Address This is the static IP address to be assigned e MAC Address This specifies the physical address of the particular host that will receive the above IP address All other parameters Netmask Gateway DNS IP WINS IP State and Domain Name are identical to those in the Dynamic IP Pool Configuration screen in the previous section DHCP Relay Agent The DHCP Relay Agent feature allows the DI 308 to act as a go between for a remote DHCP server assigning IP addresses to local clients This can be useful if you wish to have all IP addresses in your company including those in branch offices assigned from a
71. hen press the number 0 on your telephone s keypad 20 DI 308 ISDN Remote Router Flash 0 disconnect the first phone call established Flash 1 disconnect the second phone call established Flash 2 switch between the two phone calls Flash 3 speak to both parties simultaneously if conference calling is enabled by your phone company e POTS Lines Plain Old Telephone Service Enables or disables phone calls on the Phone and Phone 2 jacks on the rear of the router e Global Reception When this is enabled the Phone 1 and Phone 2 jacks will receive all phone calls directed to them by the telephone company s switch When disabled the router will check incoming calls to the Phone 1 and 2 jacks against the telephone numbers specified in the A B Adapter 1 and 2 fields above e Block Outgoing CLID When this is enabled your ISDN data phone number and voice phone numbers will never be sent out when trying to establish a connection Thus even if sites being called have Caller ID they still won t be able to know your phone number e Inbound Authentication This defines the authorization protocol that will be used when accepting a dial in connection The choices are Password Authentication Protocol PAP Challenge Handshake Authentication Protocol CHAP or None PAP and CHAP do not provide a screen for users to manually enter their Username and Password instead this data must be entered into the
72. hin or without the scope of D Link s applicable product documentation will be corrected D Link Offices for Registration and Warranty Service The product s Registration Card provided at the back of this manual must be sent to a D Link office To obtain an RMA number for warranty service as to a hardware product or to obtain warranty service as to a software product contact the D Link office nearest you An address telephone fax e mail Web site list of D Link offices is provided in the back of this manual Wichtige Sicherheitshinweise 10 11 12 13 14 15 16 17 18 Bitte lesen Sie sich diese Hinweise sorgfaltig durch Heben Sie diese Anleitung fiir den spatern Gebrauch auf Vor jedem Reinigen ist das Ger t vom Stromnetz zu trennen Vervenden Sie keine Fliissig oder Aerosolreiniger Am besten dient ein angefeuchtetes Tuch zur Reinigung Um eine Besch digung des Ger tes zu vermeiden sollten Sie nur Zubeh rteile verwenden die vom Hersteller zugelassen sind Das Ger t is vor Feuchtigkeit zu sch tzen Bei der Aufstellung des Ger tes ist auf sichern Stand zu achten Ein Kippen oder Fallen k nnte Verletzungen hervorrufen Verwenden Sie nur sichere Standorte und beachten Sie die Aufstellhinweise des Herstellers Die Beliiftungsoffnungen dienen zur Luftzirkulation die das Ger t vor berhitzung sch tzt Sorgen Sie daf r da diese Offnungen nicht abgedeckt werden Beachten Sie beim Anschlu an da
73. icitly defining the next hop router for a particular destination network IP address Each static route entry also allows for a metric a k a hop count to be specified 3 1 2 IP Static Route lt ISDN Ll gt 210 lt LAN gt 20 ZISDN LZ gt 0 0 0 LAN gt 0 0 0 lt LAN gt 0 LAN gt lt Disable gt J 0 0 0 SLAN gt Disable 0 LAN gt lt Disable gt gt gt gt gt 12 124 0 O o oooocococo0ccocea Disable lt Disable gt o IHA oO kh WON ke 0 0 0 lt LAN lt Disable gt 0 lt LAN lt Disable gt 0 0 0 lt LAN lt Disable gt lt LAN lt Disable gt T OO DOO OC CONN GO ocoooococ cc comm oO 0 0 0 0 0 0 0 0 0 oo0qcooo ao amp O 0 0 0 O 0 0 0 O 0 0 0 O 0 0 0 ooooccocea ooo0oo0oo0o0c0aao The parameters are described below e IP Address This specifies the destination network IP address or a host depending on the netmask and pairs it with a gateway e Netmask This mask shows how the destination IP address is to be divided into network subnet and host parts The netmask has ones in the bit positions in the 32 bit address which are to be used for the network and subnet parts and zeros for the host part e Gateway This is the adjacent next hop router for which the packets arriving to this router with this destination IP address will be forwarded e Hops This is an associated RIP metric that m
74. iew 6000 OOther 6 What network medium media does your organization use OFiber optics OThick coax Ethernet OThin coax Ethernet 010BASE T UTP STP 11100BASE TX 01100BASE T4 01100VGAnyLAN OOther 7 What applications are used on your network ODesktop publishing OSpreadsheet DWord processing DCAD CAM ODatabase management DAccounting DOther 8 What category best describes your company OAerospace HEngineering DEducation OFinance OHospital OLegal OInsurance Real Estate Manufacturing ORetail Chainstore Wholesale DGovernment OTransportation Utilities Communication OVAR OSystem house company OOther 9 Would you recommend your D Link product to a friend OYes ONo ODon t know yet 10 Your comments on this product 122
75. igning the LAN port an IP address and enabling telnet if necessary After the LAN port is configured all other features on the router can be configured remotely through the LAN by using the included Windows based Router Configuration Utility or Telnet Regardless the router can always be configured using a console connected to the RS 232 Console port To configure the LAN 1 The LAN port must be enabled in the Interface Configuration submenu Choose Interface Configuration LAN Position the cursor over the State item and press lt space bar gt Position the cursor on the Save option at the bottom of the screen and press lt Enter gt to save the new setting Choose Exit in the submenus to return to the Main Menu Enable IP Networking Choose Network Configuration IP Configuration Position the cursor over the last item IP Networking and press lt space bar gt to enable it Position the cursor on the Save option at the bottom of the screen and press lt Enter gt to save the new setting Assign an IP address to the LAN port in the Network Configuration submenu of the Main Menu Still in Network Configuration IP Configuration submenu from Step 2 above choose IP Stack Configuration LAN Enter a valid IP address for the LAN in the first item You may also enter a Netmask if you wish For more information about IP Addresses and Subnet masks please refer to Appendix B JP Concepts Position the cursor
76. iguration Dial In IP Pool IP Address i Range EO SAVE EXIT The items are described as follows e IP Address This is the first IP Address that will be assigned to a dial in user e Range This is the number of IP Addresses that can be assigned In the window shown above dial in users will be assigned the IP Addresses 170 100 200 1 or 170 100 200 2 only two are necessary since the router used in the examples has only two ISDN ports ISDN Link 1 This submenu contains a number of settings shown below which allow you to configure the router to dial out 36 DI 308 ISDN Remote Router 5 1 Dial Configuration ISDN LINK 1 Dial Retry Time HR Dial Retry Count O Call Back Delay 0 The parameters are described below e Dial Retry Time This is the time in seconds the router will wait before the next dial attempt e Dial Retry Count This is the specified maximum number of dial attempts the router will make when trying to establish a connection on this interface e Call Back Delay This is the time in seconds the router will wait before calling the number designated for a specified dial in user Dial In User Profile The Dial In User Profile screen is used to configure the DI 308 for single users for example a person working at home to dial in to the router and gain access to the network At least one User Profile must be configured for each user who will dial in in
77. iguration and Management and Using Telnet for detailed instructions on using Telnet to configure your DI 308 A Warning on Connection Cables ISDN and Ethernet cables are very similar to each other It is important that you use the correct cable for each connection otherwise your router could be damaged Before connecting or disconnecting an RS 232 cable between two devices turn both devices off to avoid any chance of damaging them Step 1 Setting up the Console The initial setup of the DI 308 requires connecting a console to the 9 pin RS 232 Diagnostic port on the router s rear panel A serial cable is supplied with the router in order to make this connection A console can be a terminal such as a VT 100 or a normal PC running terminal emulation software such as Microsoft HyperTerminal included with Windows The terminal emulation software needs to be configured to the following parameters WVT100 terminal emulation 9600 baud No parity 8 data bits 1 stop bit No flow control Step 2 Connecting the Console to the Router A serial cable is included in the DI 308 package To connect this cable plug its nine pin connector into the 9 pin RS 232 Diagnostic port on the router s rear panel then connect the other end to the serial port on the rear of your computer or data terminal Please make sure both machines are turned off before making this connection After the connection is made first power on the
78. iguration and Management 15 DI 308 ISDN Remote Router Configuration and Management After the initial startup POST test the router will prompt you for login and password This is the opening page of the router s out of band configuration program called the Console program The Console program is stored in the Flash memory chips in the router and the settings are written in EEPROM chips in the router It is the most basic level for configuring and managing the router and the network to which it is connected DI 308 Router Console User Name Admin Password OR If you re starting the router for the first time the default login and password is Admin the login and password are case sensitive alphanumeric characters Note that once you are in the Main Menu if there is no activity for more than 5 minutes the router will automatically log you out Your first endeavor should be to increase the timeout time by adjusting the appropriate value in the System Information submenu The router can also be configured remotely by using the included Router Configuration Utility or through Telnet However if you wish to do this the console program must first be used to initially configure the relevant port on the router Please see Step 7 Initial Configuration of the Routerjon page 12 of this manual for more detailed information Console Program Main Menu 16 DI 308 ISDN Remote Router
79. jacks located on the rear of the router The router enables the attached telephones to have a number of features which may or may not be found on normal telephones and are described below Additional features which must be configured are described in the Interface Configuration ISDN submenu section of this manual e Hold This feature is very similar with and can work in conjunction with call waiting as defined in the Interface Configuration ISDN submenu section of this manual Press Flash 0 to place someone on hold Flash is a very brief hanging up of the phone Press Flash 2 to take the caller off hold e Hold and pick up from another location Telephones connected to the router can be put on hold by pressing Flash 71 72 73 or 74 Press the same number to take the caller off hold and speak from another phone on your telephone network e Call forwarding If you wish to forward incoming calls to a different telephone press 77 and then the phone number you wish to forward the call to All incoming calls will automatically be forwarded to the phone number entered Press 77 to cancel call forwarding e Three person conference call To use this feature conference calling must be enabled by the telephone company After this is done pick up a phone and place a call After connected press Flash 0 refer to call waiting in the Interface Configuration ISDN submenu section of this manual and dial the second number Afte
80. k 1 ISDN Link 2 Below the submenus for both the LAN and ISDN interfaces are shown IP Address eae Netmask 255 255 255 0 Forwarding Enable gt Routing Protocol RIPVL gt Routing Mode Both gt IP Multicasting lt Disable gt Multicast Protocol lt None gt IGMP Version aVZ gt DHCP Client Disable SAVE EXIT 23 DI 308 ISDN Remote Router ISDN Link 1 IP Address a Netmask 0 0 0 0 State zuto gt Routing Protocol RIPVL gt Routing Mode lt None gt IP Multicasting lt Disable gt Multicast Protocol None gt IGMP Version lt V2 gt RIP Spoofing lt Enable gt SAVE EXIT The parameters are described below e IP Address This is the IP address for the router on the network to which this interface is connected e Netmask This is a 32 bit bit mask that shows how the IP address is to be divided into network subnet and host parts The netmask has ones in the bit positions in the 32 bit address which are to be used for the network and subnet parts and zeros for the host part The mask should contain at least the standard network portion as determined by the address s class and the subnet field should be contiguous with the network portion e Forwarding LAN This enables or disables forwarding between or among interface s e State ISDN This is a link method between this interface and adjacent router s The methods are described 1
81. lephone jacks located on the rear of the router Please note however that the DI 308 can maintain only two connections at a time via the two B channels whether the connections are voice data dial in users remote networks or a combination thereof 31 DI 308 ISDN Remote Router Remote Operation Overview The DI 308 is very flexible and can be configured for a variety of remote connections Since configuring the router can be quite complex depending on the number and type of remote connection s you wish to implement we have described some of the basic functions and procedures below Dial In User Connections Remote Dial in users are defined as a single user on a computer such as a person working at home who dials into the office to use network resources In almost all cases a Dial In User Profile needs to be set up for each user who will dial in to the router so the router can tailor the connection for each user Once this is done the remote user will be able to use network resources as if he were connected locally When the user dials into the DI 308 the call comes into the D channel and after answering the phone the DI 308 1 Identifies the Username and Password using the authentication protocol defined in the Interface Configuration ISDN submenu The dial in user is not prompted for this information but must enter it into his dialing software before dialing 2 Checks the Username and Password against those define
82. link PPP ISDN Protocols ISDN speeds ISDN BRI up to 128 000bps ISDN Interface Standard BRI S T 1 ISDN BRI port 64Kbps B channel x 2 16Kbps D channel x 1 ISDN network Compatibility ISDN switch type DSS1 Data Compression Hi fn LZS Stac Routing IP Packet Routing TCP IP with RIP 1 and RIP 2 static routes Other Protocols UDP TCP NAT DHCP BAP BACP ICMP Management SNMP MIB II Security PAP CHAP Administrative password Firewall filtering RADIUS Physical amp Environmental DC Input External DC power adapter 18V 2 5A unregulated or regulated Power Consumption 8 5W max 113 Appendix D Technical Specifications DI 308 ISDN Remote Router Ventilation Operating Temperature Fanless 0 50 C 32 122 F Storage Temperature 25 55 C 13 131 F Humidity 5 95 non condensing Dimensions 220mm x 166mm x 45mm 8 3 5 x 6 1 2 x 1 3 4 Emissions EMI FCC Class B CE Mark C Tick Safety UL UL1950 CSA CSA950 114 DI 308 ISDN Remote Router Appendix E Country ID Numbers Please refer to the list below for country ID numbers used to configure the ISDN interface of the router 00 Taiwan Germany Sweden France Switzerland Holland Finland Denmark UK Australia Norway Italy China
83. llation Guide This User s Guide Additional Installation Requirements In addition to the contents of your package there are other hardware and software requirements you need before you can install and use your router These requirements include An ISDN line Ethernet connection s to your computer s A computer equipped with an RS 232 port and communications software configured to the following parameters VT100 terminal emulation 9600 baud No parity 8 data bits 1 stop bit After the router has been successfully connected to your network you can make future changes to the configuration using a Telnet client application DI 308 ISDN Remote Router Installation This chapter outlines how to connect your DI 308 to your LAN and ISDN line Refer to the diagrams below to identify all of the ports on your device when you make connections Ordering Your ISDN Line If you do not have an ISDN line installed already we suggest that you order it from your telephone company as soon as possible to avoid the long waiting period common when ordering a new line Use the information in this section to place the order If you have already installed your ISDN line you can check the following section to make sure that you can use all the features of your DI 308 1 Contact your local telephone company s ISDN Ordering Center 2 Make sure DSS1 switches are available since these are the only switch types currently sup
84. nable or Disable an authentication failure trap message being sent to the Management Station by the router When an SNMP packet with an invalid community name is received it will be dropped If this parameter is enabled a trap will be sent to the network manager if this parameter is disabled no trap will be sent Advanced Functions The Advanced Functions menu contains most of the more complex configuration settings and is shown below 30 DI 308 ISDN Remote Router 5 Advanced Functions Remote Access Configuration DHCP Configuration Filter Configuration Multiple Home Configuration Static ARP NAT Configuration Telnet Discovery Enable DNS Configuration RADIUS Configuration Multi Link PPP Configuration l 2 3 4 5 6 7 8 9 0 Remote Access Configuration The Remote Access Configuration menu is used to set up the router for dial in and dial out connections over the ISDN line An ISDN line has a D channel for establishing connections and two B Bearer channels which transmit and receive the actual signals whether voice or data The two B channels can support two independent remote connections or be banded together using Multi link PPP to implement Bandwidth on Demand configured separately in the Multi Link PPP Configuration menu the last item in the Advanced Functions window The B Channels can also carry voice and fax calls which are routed to the te
85. ne the DI 308 1 Identifies the Username and Password using the authentication protocol defined in the Interface Configuration ISDN submenu 2 Checks the Username and Password against those defined in the Dial In User Profiles and Remote Network Profiles 32 DI 308 ISDN Remote Router 3 Assuming a matching Remote Network Profile is found the router may configure the IP address of the remote station as defined in the Remote Network Profile 4 Configures the specified ISDN Interface a virtual circuit using the configuration parameters defined in the Interface Configuration menu and the Remote Network Profile to handle the connection 5 Establishes the connection on whichever B channel physical port is open by mapping the dial in interface to that port Dial Out Network Connections Dial out network connections are much different than dial in connections When a packet on the LAN reaches the router the DI 308 will 1 Check its routing table to try to identify where this packet should go It looks for two variables in the routing table Gateway address and Interface There are four possible results I Il In the case where the destination resides in the same IP network on the LAN the routing engine never acts on the packet and it is sent directly to the destination through the built in switch In the case where the destination resides on a different IP network on the LAN which can happen when Multiple Home Con
86. net e Discovery Function Enabling this feature allows the router to be auto discovered by D Link SNMP management software and the included Windows based configuration software called RouteMan DNS Configuration The DI 308 router has a built in recursive DNS server The maximum amount of memory that will be used by the router s Domain Name Server is 64Kb which averages out to be about 800 entries In other words up to 800 domain names and their associated IP Addresses can be stored which can significantly speed up access to those domains The routers DNS table will age out about every 24 hours ensuring that the most frequently accessed domains consistently benefit from the improved access times provided by using the routers own DNS The IP Addresses for domain names not stored in the router must be acquired from a DNS server on the Internet Thus if you are using DNS make sure you also specify an IP Address to a DNS server in the Forward DNS queries to field 69 DI 308 ISDN Remote Router Host Table 5 8 DNS Configuration DNS Server State Lookup Host Table lt Disable gt DNS Domain Name Forward DNS queries to 0 0 0 0 DNS Cache State lt Disable gt Host Table SAVE EXIT The items in the above submenu are described as follows e DNS Server State Enables or disables recursive DNS on this router e Lookup Host Table Enables or disables DNS to reference up to eight host names
87. nge of the port numbers to be exempted from the NAPT port translation process e End Port This field defines the last port number in the range of numbers excluded from the NAPT process see Start Port above e Connection Type OutgoingControl or IncomingData The user must initially run the special application and send a request to the application server on the Internet This outgoing request to join a Diablo server for example is used to trigger the exemption process for the incoming data In the example for the game Diablo shown in the above screen if a packet is sent out on the TCP port number 6112 a request by a local user to a Diablo server on the Internet to join a group game all incoming packets on the UDP port 6112 game data will not be translated by NAPT Please keep in mind that the user will always initiate use of the special application Thus the first entry should always have the Connection Type of Outgoing Control Also since the defined port number or range of port numbers will be mapped to the user who triggered the outgoing control all incoming data will be sent to that user Consequently only one user can use the special application at a time 68 DI 308 ISDN Remote Router Telnet Discovery Enable 5 7 Telnet Discovery Enable Telnet State Discovery Function Enable gt e Telnet State This feature enables or disables the router s ability to be configured over the LAN using Tel
88. o help D Link technical support personnel identify problems that may be affecting your router If problems occur with your router D Link technical support personnel will guide you through the use of these features 7 4 Log and Trace Event Error Log 2 Trace Buffer 3 Packet Triggered Last Call EXIT 83 DI 308 ISDN Remote Router Event Error Log 7 4 1 Event Error Log l Log Configuration 2 View Log File Log Configuration This option allows you to enable or disable the Event Error log and begin recording events 7 4 1 1 Log Configuration Log State SAVE EXIT View Log File This displays the Event Error Log file shown below 84 DI 308 ISDN Remote Router Code Port Time Data 1 4 2 b 1 4 1 4 2 b 1 4 2 b 1 4 f 1 82266 4 8f 2 b 1 4 2 b 1 4 2 b 1 4 2 b 1 4 COUN UO OA OU OU OA OU Un ee ee ne O Il ne O Ile oO o gt De ee Ja a Next EXIT The following parameters help technical support personnel evaluate events e Code A special code for categorizing events e Port The interface on which an event occurs e Time Tick times denoting when events occurred e Data Data petaining to specific events Trace Buffer This feature captures packets in a buffer to help D Link technical support personnel identify problems with your router 85 DI 308 ISDN Remote Router 7 4 2 Trace Buffer Tra
89. on the Save option at the bottom of the screen and press lt Enter gt to save the new setting Choose Exit in the submenus to return to the Main Menu Enable the Telnet Discovery function on the router From the Main Menu choose Advanced Functions 14 DI 308 ISDN Remote Router e Choose the Telnet Discovery Enable option to enable Telnet if it has not been done so already e Position the cursor on the Save option at the bottom of the screen and press lt Enter gt to save the new settings e Choose Exit in the submenus to return to the Main Menu The router can now be accessed via the LAN by Telnet the Web based DI 308 Router Configuration Utility included with the router and other SNMP management applications If you have any questions regarding the settings you made or other settings in the submenus please refer to the next chapter Configuration and Management Step 9 Plugging in All Devices You can now plug in and power on all other devices connected to the router Then power on the router The router is now able to use the LAN ports The router must be further configured in order to get the built in ISDN modem to function properly to perform other routing functions and to manage your IP network This can now be done by using the console the included Web based Configuration Utility or Telnet For more information about configuring or managing the router please refer to the next chapter Conf
90. ord 39 Password Authentication Protocol See PAP physical port 39 Plain Old Telephone Service See POTS Point to Point Protocol Multilink Protocol See PPP MP Port 73 79 92 114 Port Numbers 119 Interface 94 POST 23 105 POTS 8 PPP Table 89 PPP MP 9 private network 64 private networks 67 PROM System Configuration 105 PROM System Menu 105 Protocol Type 60 Radius 79 Radius Configuration 79 Radius server 44 79 Range 43 51 Rem CLID 46 Remote Access 42 Remote Access Configuration 38 remote connections 38 Remote Dial in Users 8 10 Remote IP Address 49 Remote Network Connections 39 Remote Network Profile 39 40 Remote Network Profiles 39 Remote networks 39 Remote Node 8 9 Remote Operation Overview 39 Router Advertisement 34 Router Configuration Utility 21 100 Routing Mode 32 Routing Protocol 31 62 routing table 40 RS 232 9 16 19 111 115 runtime software 108 Runtime Tables 87 SAVE 110 security 64 Send BootP request 107 DI 308 ISDN Remote Router Set Peer IP as default Gateway 48 Simple Network Management Protocol See SNMP Single User Account 8 10 SMT 115 SNMP 9 34 35 SNMP Agent Configuration 34 SNMP Authenticated Trap 37 SNMP Community 35 SNMP Community String 36 37 SNMP Trap Manager 36 Software Update 100 108 Software Update Control 109 110 Src IP 60 Src Netmask 60 Src Port 60 Src Port Operation 60 Static ARP 62 Static ARP
91. ported by the DI 308 3 When the telephone company installs your ISDN line be sure to obtain the following information ISDN switch type ISDN telephone number s The DI 308 Front Panel Names and descriptions of your router s front panel LEDs are given below POWER Comes on as soon as you connect the router to the power adapter and plug the power adapter into a suitable AC outlet TEST Should be blinking if the router is functioning properly ISDN LINK Indicates that the router has an ISDN line connected to the ISDN interface and it has been successfully initialized ISDN B1 and B2 On if there is an active ISDN session on that channel or if that channel is making or receiving a call DI 308 ISDN Remote Router LINK ACT 1 through 8 These indicators light up when a port is connected to a powered on Ethernet Fast Ethernet station The LEDs blink when information is transmitted or received on a port 100 10M 1 through 8 These indicators light up when a port is operating at 100Mbps Otherwise if this indicator is dark and the corresponding LINK indicator is lit then the port is operating at 1OMbps PHONE 1 Lights up when standard phone port is in use PHONE 2 Lights up when standard phone port 2 is in use The DI 308 Rear Panel i f N ix ax 5x x onan 2 1 ISEN Uplink LAVICE mA Seo POWER This socket is an 18 volt 75
92. ption Enable gt Block Outgoing CLID lt Disable gt Inbound Authentication None gt Call Bumping Disable State lt Enable gt SAVE EXIT The parameters are described below e Description This is a user defined 32 character identifier used to name the ISDN e Switch Type This parameter defines the type of ISDN service used Currently the DI 308 only supports DSS 1 type ISDN lines e B1 and B2 Channel Usage This defines whether the ISDN line is a leased line or anormal switched line If you are not using a leased line connection set this item to Switch e Country ID This field needs to contain the country parameter Without this information the router cannot establish a connection A list of country ID numbers is located in Appendix E Country ID Numbers e ISDN Data This field must contain the incoming telephone number for data calls In other words it is your ISDN line s data phone number e A B Adapter 1 and 2 Enter the telephone numbers for your voice analog lines e Phone 1 and 2 Call Waiting If you have applied for and received call waiting capabilities for your ISDN voice lines you must enable these settings in order for the call waiting feature to function There are four special operations for using call waiting flash means a very brief hanging up of the phone In other words for the first option below flash 0 click the hang up button on your phone very quickly and t
93. quest to find the host s MAC address 55 DI 308 ISDN Remote Router 5 5 Static Arp Configuration 1 2 3 4 5 6 Ta 8 Press lt Enter gt to access the following screen IP Address MAC Address Ox 000000000000 State Disable SAVE EXIT The parameters are described as follows e IP Address This is the IP address of the host you wish to define a static ARP for e MAC Address This is the physical address of the host that is the authorized owner of the IP address e State This toggles enable or disable 56 DI 308 ISDN Remote Router NAT Configuration Network Address Translation NAT is a routing protocol that allows your network to become a private network that is isolated from yet connected to the Internet It does this by changing the IP address of packets from a global IP address usable on the Internet to a local IP address usable on your private network but not on the Internet and vice versa NAT has two major benefits First NAT allows many users to access the Internet using a small number or even a single global IP address This can greatly reduce the costs associated with Internet access and also helps alleviate the current shortage of Internet IP addresses Secondly the NAT process creates a firewall which hides your local network from Internet users providing a degree of security to your Internet connection To be successfully implemented NAT
94. r connected press flash 3 to speak to both parties at the same time Press Flash 0 to hang up with the first party called Press flash 1 to hang up with the second party called e Call transfer To transfer a call to the other phone jack on the router if using Phone 1 press flash 20 If using Phone 2 press flash 10 Installation and Initial Configuration This section discusses the different connections that can be made to the router when setting it up Initially you will only wish to connect the console to the router in order to configure the other ports Once that is complete you will need to turn off the power to the router and plug in the connection cables to the other devices Next power on the other devices When they have finished powering up power on the router Each of these steps is described in detail in the sections below Please skip any setting adjustments that do not apply to your configuration needs DI 308 ISDN Remote Router For the initial configuration of your DI 308 you must use an RS 232 console connection either to a computer running serial communications software or to a serial data terminal After the router has been successfully installed and the initial configuration is complete you can continue to modify settings through the console or you can change configuration settings through a remote Telnet connection or through a Web based configuration utilization program See the chapters entitled Conf
95. r specify the ICMP type TCP Flag This is a hex number representing the six flag bits in the TCP header The value range is from 0 to 3F 53 DI 308 ISDN Remote Router Multiple Home Configuration Besides the IP address assigned to the LAN interface in the Network Configuration menu the LAN may have up to 3 additional IP interfaces These additional IP interfaces are referred to as MIP1 to MIP3 This type of configuration is known as a multiple home configuration 5 4 Multiple Home Configuration Multiple Home can be demonstrated by this example A company has 625 users computers all connected to one physical network using Ethernet However the company only has one Class C IP network address 202 100 160 0 This network address will only support 254 users To solve the shortage of IP address problem and to plan for future growth the company applies for and receives two more Class C IP network addresses 203 101 161 0 and 204 102 162 0 This gives the company a total of 254 x 3 762 IP Addresses which it assigns to the computer users with a few left over for future needs Due to the nature of IP networks however the users in one IP network domain 202 100 160 0 for example cannot communicate with users on a different IP domain 203 101 161 0 Multiple home solves this problem When you register the additional IP network addresses in the Multiple Home Configuration menu on the router the router will route data
96. re Ethernet cables and the power adapter At this point in the installation process you can now power up the console computer run the terminal emulation software if necessary and then power up the DI 308 Step 7 Initial Configuration of the Router After the console is properly connected and both devices are powered on as described in the preceding sections you should see the router run through the power on self test POST Finally it will arrive at the logon screen shown below If the login screen does not appear press lt Ctrl gt lt R gt to refresh the screen 12 DI 308 ISDN Remote Router DI 308 Router Console User Name Admin Passvord OK To log on to the router use the factory set username and password Admin without the quotes Please note that the user name and password are case sensitive Upon entering the username and password using the tab key to jump to the next field position the cursor on OK and press lt Enter gt You will then see the following Main Menu Main Menu tem Information Interface Configuration Network Configuration SNMP Agent Configuration Advanced Functions Admin Configuration System Maintenance 1 Za 3 4 5 6 7 LOGOFF 13 DI 308 ISDN Remote Router Step 8 Configuring the LAN Port Preparing the router for connection to a LAN only requires enabling the LAN port enabling IP networking ass
97. re Update screen SAVE the changes EXIT and perform a System Reset or Execute Bootload to begin the software download process After the new runtime software has been downloaded the router will automatically start up using the new software make sure the Software Update Control is set to Disable to avoid a downloading loop EEPROM Factory Reset Performing a factory reset erases all settings and tables All configuration changes ever made to the router will be deleted The router will be set to the factory defaults it was shipped with and will no longer have an IP address DI 308 Router Factory Reset Are you sure you want to proceed with Factory Reset Wh Yes Please make sure you wish to wipe out all settings and configure the router from scratch before you perform a factory reset Execute Bootload Choosing this option accepts the changes made in the PROM program and begins the router s startup sequence Executing a bootload can also begin the Software Update procedure if enabled 103 DI 308 ISDN Remote Router Using Telnet The DI 308 router can be configured and managed using Telnet Telnet accesses the same built in configuration program as the RS 232 Diagnostic port console connection As such all settings that can be adjusted through the console can also be configured using Telnet Telnet Configuration In order to use Telnet the DI 308 router must first be configured using a console connected
98. rom the connection Before actually hanging up however the throughput must be below this value for the time designated in the Subtract Bandwidth Delay field e Add Bandwidth Delay sec 0 to 300 The amount of time in seconds the router will wait and sample the BOD Criteria before adding bandwidth once the throughput exceeds the BOD High Threshold This prevents costly bandwidth from being unnecessarily added due to temporary bursts in traffic e Subtract Bandwidth Delay sec 0 to 300 The amount of time in seconds the router will wait and sample the BOD Criteria before subtracting bandwidth once the throughput falls below the BOD Low Threshold This prevents bandwidth from being unnecessarily subtracted due to temporary lulls in traffic The example Multi link PPP settings shown in the Multi Link PPP Configuration window above assumes that ISDN 1 and ISDN 2 each have a 64 kbps connection configured to dial up to the Internet When ISDN 1 receives a packet destined for the Internet it will dial the ISP and establish a connection If the total throughput on ISDN 1 TX or RX ever exceeds 80 of the 64 kbps 51 2 kbps the router will sample the line for an additional 5 seconds If the traffic continuously exceeds 80 for the 5 second delay time ISDN 2 will dial up and add bandwidth to the connection Assuming sustained traffic of 70 kbps MLPPP will balance the traffic on the two ISDN ports so they are handling roughly 35 kbps each If th
99. rs from the NAPT port translation process Please refer to the user guide for the program to find out whether it transmits and receives data only through specified IP port numbers In order for these programs to work with NAPT the IP port numbers required by these applications must be entered in the Configure NAPT for Special APs screen shown below 66 DI 308 ISDN Remote Router 5 6 2 NAPT for Special APs In the above window position the cursor on any of the numbered name fields and press lt Enter gt This will take you to the NAPT configuration screen for special applications shown below Application Name Diablo State lt Enable gt Protocol Start Port End Port Connection Type lt TCP gt 6112 6112 lt OutgoingControl gt lt UDP gt 6112 6112 lt IncomingData lt TCPR gt 0 0 Disable gt lt TCP gt 0 0 Disable gt lt TCP gt 10 0 Disable gt lt TCP gt 10 0 Disable gt lt TCPR gt 0 0 Disable gt 0 Disable gt OJAN BUNE lt TCP gt 0 The fields in the above window are described as follows e Protocol UDP or TCP This field designates the type of packets that will be acted on 67 DI 308 ISDN Remote Router e Start Port Some applications can only send data over a certain range of port numbers Thus all port numbers in the specified range must be exempt from the NAPT port translation process This field defines the beginning ra
100. s 40 Static IP Pool 52 Static NAPT 72 Static NAT 71 Statistics 83 STP 129 stub network 66 SUA See Single User Account Subnet Mask 118 System Contact 25 System Description 25 System Information 24 System ISDN Test 99 System LAN Test 99 System Location 25 System MAC Address 25 120 System Maintenance 82 System Name 25 System Object ID 25 System Reset 107 110 System Restart 100 System Settings Backup Restore 102 System Status 83 System Up Time 25 Talk 32 TCP Flag 60 TCP IP 8 10 129 Telecommuting 10 telephone jacks 38 telephone number 40 Telnet 9 12 16 23 34 111 112 Using Telnet via ISDN 111 Using Telnet via LAN 111 Telnet Configuration 111 Telnet Discovery Enable 76 TFTP 109 TFTP server 100 108 Time 92 Timeout 25 Trace Buffer 92 Translation Mode 69 UNNUMBER 31 Update Software from Configuration File 109 User Profile 44 Username 39 UTP 129 virtual circuit 39 48 visible computer 69 voice 38 WINS IP 52 D Link Offices AUSTRALIA CANADA CHILE DENMARK EGYPT FRANCE GERMANY INDIA ITALY JAPAN RUSSIA SINGAPORE S AFRICA SWEDEN TAIWAN U K U S A D LINK AUSTRALASIA Unit 16 390 Eastern Valley Way Roseville NSW 2069 Australia TEL 61 2 9417 7100 FAX 61 2 9417 1077 TOLL FREE 1800 177 100 Australia 0800 900900 New Zealand URL www dlink com au E MAIL support
101. s Stromnetz die Anschlu werte Die Netzanschlu steckdose mu aus Gr nden der elektrischen Sicherheit einen Schutzleiterkontakt haben Verlegen Sie die Netzanschlu leitung so da niemand dar ber fallen kann Es sollete auch nichts auf der Leitung abgestellt werden Alle Hinweise und Warnungen die sich am Ger ten befinden sind zu beachten Wird das Ger t ber einen l ngeren Zeitraum nicht benutzt sollten Sie es vom Stromnetz trennen Somit wird im Falle einer Uberspannung eine Besch digung vermieden Durch die L ftungs ffnungen d rfen niemals Gegenst nde oder Fl ssigkeiten in das Ger t gelangen Dies k nnte einen Brand bzw Elektrischen Schlag ausl sen ffnen Sie niemals das Ger t Das Ger t darf aus Gr nden der elektrischen Sicherheit nur von authorisiertem Servicepersonal ge ffnet werden Wenn folgende Situationen auftreten ist das Ger t vom Stromnetz zu trennen und von einer qualifizierten Servicestelle zu berpr fen a Netzkabel oder Netzstecker sint besch digt b Fl ssigkeit ist in das Ger t eingedrungen c Das Ger t war Feuchtigkeit ausgesetzt d Wenn das Ger t nicht der Bedienungsanleitung ensprechend funktioniert oder Sie mit Hilfe dieser Anleitung keine Verbesserung erzielen e Das Ger t ist gefallen und oder das Geh use ist besch digt f Wenn das Ger t deutliche Anzeichen eines Defektes aufweist Bei Reparaturen d rfen nur Orginalersatzteile bzw den Orginalteilen entspre
102. s necessary to have knowledge of IP protocol before effectively configuring this filter Highlight the desired entry on the IP Filter screen 51 DI 308 ISDN Remote Router 5 3 3 IP Filter EXIT Press lt Enter gt to access the following screen Name yl Direction lt In gt State lt Disable gt Interface lt LAN gt Protocol Type 6 Src IP 0 0 0 0 Src Netmask 0 0 0 0 Srce Port 0 Src Port Operation lt None gt Dst IP 0 0 0 0 Dst Netmask 0 0 0 0 Dst Port 0 Dst Port Operation lt EQ gt ICMP Type lL ICMP Code 0 TCP Flag Ox 0 SAVE EXIT The IP Filter parameters are described below e Name This is a 12 character maximum alphanumeric user defined name used to identify the filter e Direction This defines the direction of the packet relative to the Interface parameter below 52 DI 308 ISDN Remote Router State This is used to define the routing decision applied to the packet The three routing decisions are described 1 Forward This allows the routing of the packet if it has met the criteria of the corresponding filter 2 Drop This drops doesn t allow routing for a specific packet that has met the criteria of the corresponding filter 3 Disable This does not apply the IP filter Interface This applies the filter to a specific interface LAN or one of the ISDN interfaces Protocol Type This is a protocol identifier
103. should be used only when the majority of network traffic remains on the local network In cases where a large percentage of network traffic is destined for the Internet NAT can adversely affect the speed and performance of your Internet connection Also your network servers such as ftp servers web servers or mail servers will probably need to be assigned static NAT IP addresses so their IP addresses remain consistent This issue will be further discussed later Network Address Port Translation NAPT is a subset of NAT where many local IP addresses and their TCP UDP port numbers are translated to a single global IP address and it s TCP UDP port number In this document the term NAT will refer to both NAT and NAPT unless otherwise stated NAT can work in conjunction with DHCP Thus if both are enabled and properly configured the DHCP server in the DI 308 will assign local IP addresses to computers on your network How NAT Works In the most common NAT configuration your network uses local IP addresses that are not valid on the Internet Internet global IP addresses are unique with no two devices have the same IP address The local IP addresses can be freely assigned to computers on your network by your network administrator within guidelines defined later in this chapter and in Appendix B IP Concepts This can be done manually or by using DHCP The ISDN port on the router is assigned a globally unique IP Address that IS valid on
104. signed to hosts on your network DI 308 ISDN Remote Router Data Compression The DI 308 incorporates Stac data compression and CCP Compression Control Protocol Networking Compatibility The DI 308 is compatible with remote access products from other companies such as Ascend Cisco and 3Com Furthermore they support Microsoft Windows 95 and Windows NT remote access capability Applications for your DI 308 Some applications for the DI 308 include Internet Access Your DI 308 supports TCP IP protocol which is the language used for the Internet It is also compatible with access servers manufactured by major vendors such as Cisco and Ascend Network Address Translation NAT For small office environments the DI 308 allows multiple users on the LAN to access the Internet concurrently through a single Internet account This provides Internet access to everyone in the office for the price of a single user NAT address mapping can also be used to link two IP domains via a LAN to LAN connection LAN to LAN Enterprise Connections The DI 308 can dial to or answer calls from another remote access router connected to a different LAN The DI 308 supports TCP IP and has the capability to bridge any Ethernet protocol Telecommuting Server The DI 308 allows Remote Dial in Users to dial in and gain access to your LAN This feature enables users that have workstations with remote access capabilities e g Windows 95 to dial in
105. st enter the phone number that will be called back yourself Idle Time This is the elapsed time in seconds since the last valid or active packets have gone through the router This setting will trigger the router to disconnect this interface when it is reached State Enables or disables this User Profile Remote Network Profile The Remote Network Profile is used to configure the router for ISDN connections to other networks In practice the DI 308 will either dial out to or receive incoming calls from another router the gateway to the other network Highlight one of the eight entries on the Remote Network Profile screen 39 DI 308 ISDN Remote Router 5 1 3 Remote Network Profile 1 2 3 4 5 6 i 8 Press lt Enter gt to access the submenu that appears below Remote Name Direction Interface lt ISDN L1 gt Phone Idle Time 120 Set Peer IP as default Gateway lt Enable gt Incoming Name Password Rem CLID CallBack lt Disable gt Outgoing Name 132 Password Remote IP Address 0 0 0 0 IP Address Supply lt None gt Multi Link PPP lt Disable gt Compression lt Disable gt State Enable gt Connect Test SAVE EXIT e Remote Name Name for the remote network that the DI 308 is being set up to connect with e Direction Dial n dial Out or Both This field defines whether the router on the other network will dial n to t
106. sts but assign static addresses to your servers if you wish for them to be accessible from outside your network 59 DI 308 ISDN Remote Router Setting Local IP Addresses When implementing NAT and thus creating a private network that is isolated from the Internet you can assign any IP addresses to host computers without problems However the Internet Assigned Numbers Authority IANA has reserved the following three blocks of IP Addresses specifically for private networks Class Beginning Address Ending Address A 10 0 0 0 10 255 255 255 B 172 16 0 0 172 31 255 255 C 192 168 0 0 192 168 255 255 It is recommended that you choose local IP addresses for use with NAT from the private network IP addresses in the above list For more information on address assignment refer to RFC 1597 Address Allocation for Private Internets and RFC 1466 Guidelines for Management of IP Address Space 5 6 NAT Configuration l1 NAT NAPT 2 NAPT for Special APs NAT NAPT The first screen shows the complete NAT table that is defined by the network manager 60 DI 308 ISDN Remote Router NAT NAT NAT NAT NAT NAT NAT NAT OJAN RON IP IP IP IP IP IP IP IP 5 6 1 NAT NAPT 9 NAT 10 NAT ll NAT 12 NAT 13 NAT 14 NAT 1s NAT 16 NAT IP IP IP IP IP IP IP IP Pool Pool Pool Pool Pool Pool Pool Pool EXIT For any NAT entry you must con
107. t portions of the address are different lengths for different classes of networks as shown in the table below Qo 8 16 24 3 Class A hostid cess E e to cessc L one class D fili fifo multicast address So ort Networks attached to the Internet are assigned class types that determine the maximum number of possible hosts per network The previous figure illustrates how the net and host portions of the IP address differ among the three classes Class A is assigned to networks that have more than 65 535 hosts Class B is for networks that have 256 to 65534 hosts Class C is for networks with less than 256 hosts ali Class E IP Network Classes Class Maximum Network Addresses Host Maximum Number of Portion in Parenthesis Number of Networks in Hosts per Class Network A 126 1 0 0 0 to 126 0 0 0 16 777 214 B 16 382 128 1 0 0 to 191 254 0 0 65 534 C 2 097 150 192 0 1 0 to 223 255 254 0 254 110 DI 308 ISDN Remote Router Note All network addresses outside of these ranges Class D and E are either reserved or set aside for experimental networks or multicasting When an IP address s host portion contains only zero s the address identifies a network and not a host No physical device may be given such an address The network portion must start with a value from to 126 or from 128 to 223 Any other value s in the network portion may be from 0 to 255 except that in class B the
108. tate This is used to choose the routing decision applied to the frame The three decisions are described 1 Forward This allows the routing of the frame if it has met the criteria of the corresponding filter 2 Drop This drops doesn t allow routing for a specific frame that has met the criteria of the corresponding filter 3 Disable This does not apply the protocol independent filter e Interface This applies the filter to a specific interface either LAN or one of the ISDN interfaces e Offset This defines the reference byte for the Length parameter described below The Offset is the number of bytes octets from the beginning of the first byte of the frame header immediately after the preamble The range of the offset parameter is from 0 to 255 octets The first byte in a packet has an offset 0 e Length This is the number of bytes octets from 0 to 8 to compare from the offset value the Offset reference byte e Value This is a 16 digit hexadecimal field defining the actual bit values used to compare with the frame data at the specified Offset position e Mask This is a 16 digit hexadecimal bit mask used as an operand in the bit wise AND operation that will be applied to the Value parameter The IP Filter is specifically an IP protocols filter allowing you to among other things firewall your network prohibiting specific packets from entering or going out from your network It i
109. te Caller ID This is the telephone number of the Remote User and is used for security When a phone number is entered in this field the router will make sure that the incoming call is coming from the same phone number as the one defined here In other words the remote user can only be 41 DI 308 ISDN Remote Router calling from the telephone number defined here otherwise the call will not be accepted This function is disabled if the field is left blank e Call Back This field determines whether the router calls back after receiving a call from this Remote Network Profile If this option is enabled the router will disconnect the initial call and call back to the phone number that you provide Note that this field will be valid only if the Direction setting above is Both Outgoing e Name The maximum length is 64 characters Spaces and punctuation are not usually accepted This username is for password challenges authentication which are automatically handled by the router when dialing out The DI 308 will use PAP and CHAP whichever works to make the connection e Password This is the password associated with the above Name field Remote IP Address This is the IP address that will be assigned to the dial in network when the IP Address Supply setting below is set to Default Assigning an IP address to the router dialing in ensures that the IP address does not clash with other IP addresses on your network For dial out
110. tem Timeout When you are connected to your DI 308 via Telnet there is a system timeout in the System Information submenu adjustable to a maximum of 90 minutes If you are logged onto the device and leave it inactive for this timeout period the router will automatically disconnect you 105 DI 308 ISDN Remote Router Using RADIUS Authentication In addition to the dial in user list which can hold up to eight users this model also supports an external authentication server which may provide password storage and usage accounting for thousands of users Installing a RADIUS Server To use RADIUS authentication you will need to have a Unix or Windows NT based machine on your network to act as a RADIUSd server as well as a copy of the RADIUS4d server program itself You can obtain a copy of the RADIUS software along with documentation for the server at http www livingston com marketing products RADIUS html or at ftp ftp livingston com pub le RADIUS Configuring the DI 308 for RADIUS Authentication To configure the DI 308 to use the RADIUS server set up in the previous section go to the Main Menu in the console program and choose Advanced Functions and then RADIUS Configuration 5 9 RADIUS Configuration RADIUS State Enable gt Type RADIUS Server IP Address 133 66 3 23 Port Number 1812 Key dlink customer SAVE EXIT Items in the above submenu are described as follows 106 DI
111. ter Each entry in this configuration can be used to map a global address and port to a local address and port Notice that the global address will be the external IP address of the global interface 65 DI 308 ISDN Remote Router Static NAPT Global IP Port Local IP Port State l 0 0 0 0 0 0 0 0 0 0 lt Disable gt 2 0 0 0 0 0 0 0 0 0 0 Disable 3 0 0 0 0 0 0 0 0 0 0 lt Disable gt 4 0 0 0 0 0 0 0 0 0 0 Disable 5 0 0 0 0 0 0 0 0 0 0 Disable EXIT e Port This is a destination port number used by TCP and UDP to de multiplex incoming IP packets In the above example incoming packets with the global destination IP Address 211 11 22 3 and global destination TCP UDP port 21 will be translated to a packet with the local destination IP Address 1 1 1 5 and local TCP UDP port 21 Port 21 is assigned to FTP servers Please see Appendix D for more commonly assigned port numbers or RFC 1700 for a more complete list Configure NAPT for Special Ap plication s Some applications programs that are used over the Internet such as Microsoft NetMeeting Diablo CU See Me and Xwindows send information to a certain port number or within a specified range of port numbers The exact port number used is specific to the application However if you find that you are having trouble using an application over the Internet and you are using NAPT you may need to exempt certain port numbe
112. ter the first one s idle time has expired and it has relinquished it e Phone This is the telephone number that will be dialed to make the outgoing connection e Idle Time This is the elapsed time in seconds of inactivity that will trigger the router to disconnect this interface e Set Peer IP as default Gateway When enabled this feature sets the IP address of the remote device as the default gateway default next hop router for all packets not found in the routing table This option should be enabled for the ISDN circuit ISDN1 or ISDN2 that is used to connect to the Internet Also if the Peer IP is set as the default gateway here you still need to define a static default route in the Network Configuration IP Static Route submenu but you don t need to designate a gateway IP address for the static route the routers will automatically negotiate and adjust the gateway IP setting accordingly And also make sure that the Remote IP Address in the Remote Networks Profile is set to 0 0 0 0 Note that only one ISDN circuit should be connected to the Internet and only one ISDN circuit the same one should be the default gateway e Incoming e Name The maximum length is 64 characters This username is for password challenges authentication The user dialing in must supply this username in order to be allowed access to the router e Password This is the password associated with the above Name field e Rem CLID Remo
113. the problem probably lies in your ISDN settings located in the console program under Interface Configuration ISDN submenu Alternatively the problem could be with the router or computer you are trying to call Problems with the LAN Interface Can t PING any station on the LAN 1 Check the LAN LED on the front panel of your router If it is on then the link is up If it is off then check the cables connecting the router to your LAN 2 Make sure the LAN is enabled in the Interface Configuration LAN submenu of the console program 108 DI 308 ISDN Remote Router Verify with your network administrator that the IP address and the IP subnet mask configured in the Network Configuration IP Configuration IP Stack Configuration LAN submenu of the console program are valid for that LAN Check the physical Ethernet cable and make sure the connections on the router and the switch or station are secure Check to make sure an end station IS NOT connected to the Uplink port or that a switch or hub IS connected to the Uplink port using straight through cables Check to make sure the wires in the cable are attached to the appropriate pins in the RJ 45 connector 109 DI 308 ISDN Remote Router Appendix B IP Concepts This appendix describes some basic IP concepts the TCP IP addressing scheme and show how to assign IP Addresses When setting up the router you must make sure all ports to be utilized on the router ha
114. there is no match for the destination IP address in the routing table and no default next hop router is defined the packet will be dropped and no action will be taken The Remote Access Configuration submenu is shown below All items in the submenu are described as follows 33 DI 308 ISDN Remote Router 5 1 Remote Access Configuration l Dial Configuration 2 Dial In User Profile 3 Remote Network Profile 34 DI 308 ISDN Remote Router Dial Configuration You can configure the two ISDN interfaces on your DI 308 to dial out only when a packet is forwarded to that interface and hang up after all data has been transferred and the link is idle This can be used to lower the cost of an unpopular link or used as a backup link to your ISP This feature is commonly called Dial on Demand ISDN interfaces can also be configured here to receive calls from dial in users and other networks called Remote Access Please note however that in all cases after configuring the ISDN Links in the Dial Configuration submenu they must be further configured in the Dial In User Profile submenu or Remote Network Profile submenu 5 1 1 Dial Configuration Dial In IP Pool ISDN Link 1 ISDN Link 2 Dial In IP Pool The dial in IP pool allows you to define a range of IP addresses that will be reserved for and assigned to dial in users 35 DI 308 ISDN Remote Router 1 1 Dial Conf
115. tures that give it the flexibility to provide a complete networking solution for almost any small to medium sized office environment Ease of Installation Your DI 308 is a self contained unit that is quick and easy to install Physically it resembles an external modem however it is a combination ISDN router and Ethernet switch and it uses twisted pair Ethernet cables to connect to the host network Built in Switch A dual speed NWay switch the DI 308 provides eight ports for connecting network end nodes single user computers servers bridges other routers etc through standard straight through twisted pair cables and one port for making an uplink connection to another hub or switch through the same type of straight through cable used to connect end nodes ISDN Basic Rate Interface BRI Using a standard S T the DI 308 supports DSS1 ISDN switches The two ISDN B channels can be used independently for two destinations or they can be bundled together for one high bandwidth connection supporting bandwidth on demand DI 308 ISDN Remote Router ISDN Leased Line If the router is set up for an ISDN leased line it can automatically initialize the leased line connection each time it is powered up Standard Phone Jacks The router is equipped with two standard phone jacks for connecting telephones fax machines or modems This allows the ISDN line to be used for voice as well as data calls Dial On Demand
116. uld only be updated if you are encountering problems with your current runtime software or you are certain your runtime software is lacking functionality contained in a more recent version Downloading new software will only replace the runtime software and will not affect any configuration settings you have made Upon running the new software the router will be configured exactly as you had it before downloading the new software The runtime software image file must be stored on a TFTP server and accessed via the LAN 101 DI 308 ISDN Remote Router DI 308 Router Software Update Menu Software Update Control Software Update Mode Network Boot Protocol TFTP ONLY gt Boot Server IP Address 172 16 133 69 Boot File Name 308runb5 010 Last Boot Server IP Address 0 0 0 0 Last IP Address 10 10 86 119 Update Software from Configuration file lt No gt SAVE Items listed in the above menu are described as follows e Software Update Control This toggles Disable and Enable e Software Update Mode This specifies downloading the image file from a Network server on the local LAN e Boot Protocol This setting is for a local network download and has two options TFTP ONLY and BOOTP amp TFTP e TFTP ONLY a File Transfer Protocol Using this setting assumes all other items on this screen have been filled out e BOOTP amp TFTP BootP is run first and sends your router IP Addresses for the TFTP ser
117. umber is entered in this field the router will make sure that the incoming call is coming from the same phone number as the one defined here In other words the remote user can only be calling from the telephone number defined here otherwise the call will not be accepted This function is disabled if the field is left blank Default IP This is the IP address that will be assigned to the dial in user when the IP Address Supply setting below is set to Default Assigning an IP address to the remote computer ensures that the IP address does not clash with other IP addresses on your network IP Address Supply This field defines how the remote user will obtain an IP address The choices include Default Uses the Default IP address defined above Dynamic Taken from the Dial In IP pool or None The remote user supplies their own IP Address Call Back This field determines if the router will allow call back to the Remote Dial In User upon dial in If this option is enabled the router will be able to call back to the Remote Dial In User if they request it In such a case the router will disconnect the initial call from this user and dial back to the specified call back number The default is no call back Phone Number Supplied by Toggle between Router and Caller Phone Number If Router is selected above then this phone number is usually provided by the person who initially set up the router If Caller is selected you mu
118. ur networks are isolated from the Internet e g only between your two branch offices you can assign any IP Addresses to hosts without problems However the Internet Assigned Numbers Authority IANA has reserved the following three blocks of IP Addresses specifically for private stub networks Class Beginning Address Ending Address A 10 0 0 0 10 255 255 255 B 172 16 0 0 172 31 255 255 C 192 168 0 0 192 168 255 255 It is recommended that you choose private network IP Addresses from the above list For more information on address assignment refer to RFC 1597 Address Allocation for Private Internets and RFC 1466 Guidelines for Management of IP Address Space Subnet Mask In the absence of subnetworks standard TCP IP addressing may be used by specifying subnet masks as shown below IP Class Subnet Mask Class A 255 0 0 0 Class B 255 255 0 0 Class C 255 255 255 0 Subnet mask settings other than those listed above add significance to the interpretation of bits in the IP address The bits of the subnet mask correspond directly to the bits of the IP address Any bit an a subnet mask that is to correspond to a net ID bit in the IP address must be set to 1 111 DI 308 ISDN Remote Router Appendix C IP Protocol and Port Numbers Common Internet service protocols and IP port numbers IP Protocol Numbers
119. using 5 global IP addresses to access the Internet When a packet on the local network arrives at the router and needs to be sent to the Internet NAT will change the source IP address for example 192 168 100 2 to a global address 200 100 50 1 for example If this packet generates a reply as for example a request to view a web page will NAT will change the destination IP address on the reply packet back to the local IP address for delivery to the machine on the local stub network The difference between static and dynamic NAT is that once the five global addresses are manually assigned when using static NAT they will never change The only way to change them is by using the console program to manually reassign them When using dynamic NAT the router will map a local IP address to a global IP address whenever a request is made Since there are only 5 global IP addresses in the example above there can only be 5 mappings at any one time In other words much like static NAT only 5 local machines can access the Internet at any one time However contrary to static NAT the router will discard the mapping between the global and local IP addresses after a certain length of time which is quite long so rarely happens or after the session is finished an example of a session is when requesting a web page the entire page has completed downloading The most common implementation of NAT is to define a range of dynamic addresses to be used by ho
120. using an ISDN terminal adapter TA to access the network resources without physically being in the office What This Manual Covers This manual is divided into twelve parts DI 308 ISDN Remote Router Chapter One Jntroduction describes many of the technologies implemented in the DI 308 as well as product features etc DI 308 to operate on your LAN Chapter Two Installation is designed as a step by step guide to installing the router Chapter Three Configuration and Management provides detailed explanations for the console program that is used to setup and configure the router Chapter Four PROM System Configuration provides information on the PROM program an abbreviated version of the console program that is used to download new software into the router in case of problems with the console program Chapter Five Using Telnet describes how to setup and use telnet to configure the router Chapter Six Using RADIUS Authentication describes how to setup and use a RADIUS server to manage user authentication and centralize passwords Appendix A Troubleshooting describes some common problems setting up the router and suggests solutions Appendix B IP Concepts gives detailed explanations and recommendations for setting up an IP network on your LAN Appendix C IP Protocol and Port Numbers lists many commonly used IP settings Appendix D Technical Specific
121. utilized router unless you understand what you are doing The following section describes how to configure the router filter parameters Configuring a Filter Set Under the Advanced Functions menu select and enter Filter Configuration You will see the following screen 47 DI 308 ISDN Remote Router 3 Filter Configuration Filter State of Interface 2 Layer Z Filter 3 IP Filter EXIT The three submenus are described as follows e Filter State of Interface This is used to choose the default routing decisions for packets not meeting the criteria for specific filters e Layer 2 Filter This is a data link layer protocol independent filter Foreknowledge of the specific protocol used on the interface LAN or WANS is needed to make effective use of this filter e IP Filter This is an IP protocol specific filter allowing you to among other things prohibit specific packets from entering the LAN Alternatively you can set up filters that allow certain types of IP packets to enter the LAN Filter State of Interface The Filter State of Interface submenu lets you toggle default routing decisions if the packets are not subjected to a filter routing decision In other words a packet having not met the criteria for a specific filter that was applied to a specific interface will be subjected to this default routing decision 48 DI 308 ISDN Remote Router 3 1 Filter
122. ve valid IP addresses Even if you will not use the ISDN or WAN ports you should at the very least make sure the LAN port is assigned a valid IP address This is required for telnet in band SNMP management and related functions such as trap handling and TFTP firmware download IP Addresses The Internet Protocol IP was designed for routing data between network sites all over the world and was later adapted to allow routing between networks often referred to as subnets within any site IP includes a system by which a unique number can be assigned to each of the millions of networks and each of the computers on those networks Such a number is called an IP address To make IP addresses easy to understand the originators of IP adopted a system of representation called dotted decimal or dotted quad notation Below are examples of IP addresses written in this format 201 202 203 204 189 21 241 56 125 87 0 1 Each of the four values in an IP address is the ordinary decimal base 10 representation of a value that a computer can handle using eight bits binary digits 1s and Os The dots are simply convenient visual separators Zeros are often used as placeholders in dotted decimal notation 189 21 241 56 can therefore also appear as 189 021 241 056 IP networks are divided into three classes on the basis of size A full IP address contains a network portion and a host device portion The network and hos
123. ver and the router and tells the router the path to the software update image file Then TFTP will be used to download the image file e Boot Server IP Address This specifies the IP address of the server to be used to download the image file e Boot File Name This specifies a complete path and filename on the TFTP server If you choose to use a configuration file this setting must show the path and filename to the configuration file If you are not using a configuration file this must show the path and filename to the software update image file e Last Boot Server IP Address This shows the last boot server used to download an image file This is for reference only e Last IP Address This shows the last IP address used for the LAN interface Again this is for reference only The LAN port must have an IP address in order to access the TFTP server via the LAN network e Update Software from Configuration File Either Yes or No If Yes the software update procedure will try to access a configuration file located at the 102 DI 308 ISDN Remote Router path defined in the above Boot File Name Please ensure that the path and file name of the image file is listed in the configuration file If set to No the update procedure will try to find an image file at the Boot File Name path Please see Appendix F Configuration File for more information about configuration files After the parameters are set in the Softwa
124. word record in the Users database It is also possible to configure an IP address for each user by adding a line in the Users database similar to the following Ip user Password iusespecificip Framed_IP_Address 192 168 0 117 107 DI 308 ISDN Remote Router Appendix A Troubleshooting This chapter contains some problems you may run into when using your router After each problem description we have provided some instructions to help you diagnose and solve the problem Some Common Problems with the DI 308 None of the LEDs are on when you power up the router e Check the power cord and the power supply and make sure it is properly connected to your DI 308 If the error persists you may have a hardware problem In this case you should contact technical support Connecting the RS 232 cable cannot access the console program e Check to see if the DI 308 is connected to your computer s serial port e Check to see if the communications program is configured correctly The communications software should be configured as follows e VT100 terminal emulation e 9600 Baud rate e No parity 8 Data bits 1 Stop bit Problems With the ISDN Line If you are having problems making a connection through the ISDN line try performing a Loopback Test in the console program choose System Maintenance Diagnostic Loopback Test If the loopback test succeeds then your physical connection to your phone company is okay and
125. ystem Configuration can be used if there are problems with the router s console program Specifically the PROM Configuration program has procedures to initialize the administration parameters and the LAN IP address of the router in order to allow the console software in the router s flash memory to be replaced if it has been damaged or deleted To enter the PROM System Menu press Ctrl C during the router s Power On Self Test POST procedure The following menu will appear DI 308 Router PROM System Menu System Configuration TCP IP Parameters Configuration System Reset Software Update Eeprom Factory Reset Execute Bootload 98 DI 308 ISDN Remote Router System Configuration DI 308 Router System Configuration Menu Hardware Revision Rev AS Boot PROM Firmware Version Ver 0 10 B1 MAC Address OoSOBAOD308C The parameters are described as follows e Hardware Revision This is the version ID of hardware used in this router e Boot PROM Firmware Version This is the version ID of firmware used in this router e MAC Address This is the physical address for this router 99 DI 308 ISDN Remote Router TCP IP Parameters Configuration DI 308 Router TCP IP Parameters Configuration Menu Interface 1 Media Type Ethernet IP Address 3 Subnet Mask 255 255 255 0 Default Gateway 11 1 1 253 Send BootP request upon power up lt No gt SAVE The paramet

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