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Heritage Series ADSL Bridge/ Router

A-15

Appendix

An RJ-11 wall jack usually has four pins; an RJ-45 wall jack usually
has eight pins.

WAN

Wide Area Network - A network that consists of nodes connected by
long-distance transmission media, such as telephone lines. WANs can
span a state, a country, or even the world.

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Содержание Bridge/ Heritage

Страница 1: ...Heritage Series ADSL Bridge Router Heritage Series Multi Mode xDSL Router User s Manual Dec 2003 ...

Страница 2: ...any form or by any means without written permission from the product manufacturer Changes are periodically made to the information in this document They will be incorporated in subsequent editions The product manufacturer may make improvements and or changes in the product described in this document at any time ...

Страница 3: ...3 Windows 95 98 setting for Ethernet LAN connection 2 5 2 3 1 Check TCP IP protocol 2 5 2 3 2 TCP IP installation 2 7 2 3 3 TCP IP setting 2 9 2 4 Configuring the Router 2 12 2 4 1 Using TELNET via Ethernet interface 2 12 2 4 2 Using terminal program via serial console port 2 13 Chapter 3 Basic Configurations 3 1 3 1 Factory default configuration 3 2 3 2 Bridged RFC1483 3 3 3 3 Routed RFC1483 3 5 ...

Страница 4: ... 3 Chapter 6 xDSL Link Performance Statistics 6 1 Chapter 7 Command Sets for Command Line Interface 7 1 Command Line Interface Conventions 7 1 Basic system command sets 7 2 Commands for ISFS and FLASHFS process 7 5 Commands for Bridge process 7 7 Commands for DHCP server process 7 16 Commands for DHCP client process 7 18 Commands for IP process 7 20 Commands for NAT process 7 38 Commands for PPP p...

Страница 5: ...9 DHCP Client Configuration 9 1 9 1 Protocol Timing 9 2 9 2 Lease requirements and requests 9 3 9 3 Other declarations 9 4 9 4 DHCP Options 9 5 Appendix A Product Specifications A 1 Appendix B Troubleshooting A 4 Appendix C Glossary A 8 Appendix D Government Compliance Notices A 16 ...

Страница 6: ... than a traditional 56K analog modem SHDSL technology that provides a symmetric upstream and downstream rate of up to 2 3Mbps over existing copper wire lines And it can be connected to your PC or LAN through the 10Base T or 100Base T Ethernet interface This xDSL Router is designed to meet both the needs of single user and multiple users at small office and home office who want fast Internet access...

Страница 7: ...anning tree algorithm Bridge filtering allows a network administrator to control the flow of packets across the router NAT let multiple users on the LAN share one Internet connection simultaneously SNMP agent allows monitoring and configuration by a standard SNMP manager BOOTP TFTP enable the remote configuration DHCP client let an ISP dynamically issue an address upon initial connection DHCP serv...

Страница 8: ... Router 1 3 Introduction network Flash memory for Software upgrade Status LEDs for easy monitoring and troubleshooting Some models of xDSL Router provides more features Including 4 port 10 100 Base T Ethernet Stackable Switch Hub ...

Страница 9: ... User s Guide All packages have been checked carefully for their completeness and functionality before shipped Please contact the place of purchase if any of the above listed items are missing or damaged If you encountered any difficulty in using this product while all the above items are complete please refer to Appendix C for Troubleshooting information before making the decision to return your ...

Страница 10: ...er supplied to your home consult your dealer or local power company Be Careful of Overloading Do not overload wall outlets or extension cords as this can result in a risk of fire or electric shock Overloaded AC outlets extension cords frayed power cords damaged or cracked wire insulation and broken plugs are dangerous They may result in a shock or fire hazard Periodically examine the cord and if i...

Страница 11: ...ving Product and Cart Combinations Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn Unplug Power Before Cleaning Do not use liquid cleaner or aerosol cleaner Use a damp cloth for cleaning Keep Objects Out of Openings Never push objects of any kind into this product through openings as they may touch dangerous voltage or short out parts which co...

Страница 12: ... following the operating instructions Adjust only those controls that are covered by the operating instructions If the product has been dropped or the cabinet has been damaged When the product exhibits a distinct change in performance such as the inability to perform basic functions this indicates a need for service Require Safety Check Upon completion of any service or repairs to this product ask...

Страница 13: ...net link present RX Flashing Receiving data from xDSL link TX Flashing Transmitting data to xDSL link The xDSL Router which including 4 port stackable switch hub that has several status LEDs for diagnostics You can monitor the LEDs during operation Following table shows the xDSL Router status LEDs and identifies what each LED light means Function Behavior Definition Dark Power off POWER Light Powe...

Страница 14: ... and use to management xDSL Router DC 9V or DC12V The power jack connects to Adaptor from wall outlet The rear panel of the xDSL Router which including 4 port stackable switch hub consist of power jack Console Port connector Ethernet connects and xDSL link jack which they means as below Function Definition xDSL xDSL jack connect to xDSL line from TelCo Up Link This is HUB feature cascade to anothe...

Страница 15: ...1 10 Introduction ...

Страница 16: ... the xDSL Router are performed by using Ethernet 10Base T or 10 100Base T network interface Your computer has to install an Ethernet NIC card and set up the TCP IP protocol before start to using the xDSL Router The xDSL Router also provides a serial console port for monitoring and configuring the Router via the xDSL Configuration Tool or HyperTerminal program ...

Страница 17: ...opriate Internet connection contract with a reliable ISP NSP and get necessary connection information that will help you configuring your Router Personal computer with OS that support Ethernet interface TCP IP protocol installed in your personal computer Ethernet card 10 or 10 100Base T Ethernet straight through cable included in this package RJ 11 telephone cable included in this package RS 232 s...

Страница 18: ... Additional Ethernet card for each PC you want to connect Additional Ethernet Straight through cable for each PC you want to connect One Ethernet Hub is required for more than one computer connection If your up link hub without cascade switch please prepare an Ethernet crossover cable instead of the straight through cable that listed on step 1 above DSLAM ISP Ethernet Port Serial Port Ethernet Por...

Страница 19: ... the rear panel of the Router B If connect to more than one computer via Hub Connect one end of Ethernet straight through cable If your up link hub without cascade switch please use an Ethernet crossover cable instead to the uplink port on the Ethernet Hub then connect the other end of Ethernet cable to the connector that marked 10 100Base T at the rear panel of the Router 4 Connect one end of RJ1...

Страница 20: ...ect the Router to your computer through the Ethernet network you will first configure your computer to obtain an IP address automatically from your Router s DHCP server or specify an IP address and Subnet Mask to the same subnet as remote host The following steps provides the instructions to setup your computer to obtain an IP address by using Windows 95 98 on a PC 2 3 1 Check TCP IP protocol To c...

Страница 21: ...and properly setup for the Ethernet card that installed in your computer for example TCP IP Realtek RTL8029 AS PCI Ethernet NIC 3 When TCP IP has properly installed please proceed to 2 3 3 TCP IP Setting 4 When TCP IP has not properly installed go to next section to install the TCP IP protocol ...

Страница 22: ...r 2 3 2 TCP IP installation Attention When install TCP IP protocol you need Windows CD ROM 1 In Network window click the Add button 2 Choose the Protocol and click Add 3 In Select Network Protocol window choose Microsoft in Manufacturers and TCP IP in Network Protocols Then click OK ...

Страница 23: ...2 8 Installing and Configuring your xDSL Router 4 Confirm if the TCP IP protocol has been correctly setup with your Ethernet card ...

Страница 24: ...connecting your xDSL Router with existing LAN consult your network manager for correct configurations 1 In Network window double click the TCP IP service for the Ethernet card that installed in your computer for example TCP IP Realtek RTL8029 AS PCI Ethernet NIC 2 Click the Gateway tab and remove any installed gateways ...

Страница 25: ...nstalling and Configuring your xDSL Router 3 Click the DNS configuration tab and click the disable DNS button 4 For DHCP client Click the IP address tab and click the Obtain an IP address automatically button ...

Страница 26: ... an IP address button Then set IP Address and Subnet Mask to the same subnet as remote host Refer to Chapter 3 2 for example 5 Click OK to save the new setting 6 Click Yes when prompted for Do you want to restart your computer Your computer will restart to make the new setting in effects 7 Now your computer is ready to access your Router via Ethernet network ...

Страница 27: ...2 4 1 Using TELNET via Ethernet interface To access the command line interface via Ethernet interface you can use TELNET to log in the Router from the local Ethernet network using the Ethernet IP address that assigned to your xDSL Router The Ethernet IP of the xDSL Router is default set to 192 168 7 1 1 Select Start Programs MS DOS Prompt 2 Find the IP address of the Router s Ethernet port Then us...

Страница 28: ...ial console port A terminal can be connected directly to the Serial console port This requires the use of a terminal emulation software package such as Microsoft HyperTerminal By default setting the Router is configured to communicate at a baud rate of 9600 Any standard terminal that support baud rate of 9600 can be connected to the Router s console port Please configure your serial port as BPS 96...

Страница 29: ...2 14 Installing and Configuring your xDSL Router 2 Enter a connection name and click OK 3 Select properly COM port and click OK ...

Страница 30: ...Then click OK 6 When the HyperTerminal window appears you must press the enter key several time to get the command prompt for the Router s command line interface 7 Now you are ready to configure the Router by using command Please contact your ISP NSP to obtain the detail command sets of your Router If the Router does not return any message refer to Appendix B for troubleshooting information ...

Страница 31: ...2 16 Installing and Configuring your xDSL Router ...

Страница 32: ...the basic link protocols that supported by the xDSL Router The information needed to configure the Router is depending on the chosen link protocol The link protocol is determined by your NSP Network Service Provider Therefore It is necessary to know the link protocol which your NSP support before you refer to the configuration information that will apply to your setup ...

Страница 33: ...settings of xDSL Router Ethernet Interface IP address 192 168 7 1 Network Mask 255 255 255 0 xDSL interface IP address None Network Mask None ATM VPI VCI number 0 32 Data Encapsulation Protocol RFC1483 Machine Name DSL Domain name Disabled DHCP Server Disabled DHCP Client Disabled DNS Relay Disabled NAT Disabled RIP Disabled IP filtering Disabled Bridge filtering Disabled Spanning Tree Disabled Te...

Страница 34: ... to support the RFC 1483 However you can use following procedure to reconfigure the Router to support the RFC 1483 again ip device flush bridge device add edd bridge device add bun port r1483 rfc1483 true mode x txvpi y txvci z rxvpi y rxvci z x is the encapsulation mode of RFC1483 it can be one of LlcBridged and VcMuxBridged and the setting of encapsulation mode is case sensitivity y is the VPI v...

Страница 35: ...3 4 Basic Configurations The following describes how to remove all configurations properly so that we start from a fresh configuration isfs rm resolve isfs rm initbridge isfs rm initppp restart ...

Страница 36: ...mask 255 255 255 248 Gateway 10 107 1 129 Local PC B configuration IP address 10 107 1 131 Subnet mask 255 255 255 248 Gateway 10 107 1 129 home ignores any error message just ensures back to root prompt ip device add ethernet ether edd 10 107 1 129 set 10 107 1 129 as the IP address for your xDSL Router DSLAM ISP Ethernet Port 10 107 1 130 Ethernet Port Up Link PC A PC B PC C PC N HUB 10 107 1 13...

Страница 37: ... it can be one of LlcRouted and VcMuxRouted and the setting of encapsulation mode is case sensitivity y is the VPI value and z is the VCI value ip route add default 0 0 0 0 10 99 48 1 0 0 0 0 10 99 48 1 is the IP address of your service provider ip relay all enable routing between rfc1483 and ethernet ports config save restart You can use following procedure to remove existing RFC 1483 setting isf...

Страница 38: ...et Mask 255 255 255 0 Default Gateway 202 1 136 254 The following describes how to remove all configurations properly so that we start from a fresh configuration Remove all existing bridge module configuration home config reset bridge config save restart Remove all existing router module configuration home ip device flush ip norelay ip ipatm pvc delete ipoa r1483 0 32 DSLAM NSP 192 168 1 1 Etherne...

Страница 39: ...r RFC1577 setup Specify the gateway RFC1577 on ISP DSLAM site and Ethernet on local PC site home ip device add ethernet ether edd 202 1 136 254 ip device add ipoa atm atm 192 168 1 2 config save restart Enable forwarding between router interface home ip relay all ip ipatm pvc add ipoa r1483 x y remoteip 192 168 1 1 x is the VPI y is the VCI Check with your service provider config save restart ...

Страница 40: ...PPP over ATM with following procedure Before setup RFC 2364 you have to ensure remove existing RFC 1483 or RFC 1577 configuration with the procedure mentioned above IP dial out over PPPoA ip device add Ethernet ether edd 202 1 136 254 This is the IP of Ethernet port of xDSL Router ip device add ppp_device ether ppp DEVICE 1 config save restart ppp 1 pvc 0 32 Set channel 1 to VPI 0 VCI 32 ppp 1 wel...

Страница 41: ... pvc 32 mac ppp 1 interface 2 ppp 1 enable restart The RFC 2364 configuration also can be removed by following procedure Please ensure to remove the RFC 2364 configuration before set the xDSL Router to other configuration IP dial out over PPPoA ip device flush config save restart ppp 1 pvc none ppp 1 welogin none ppp 1 interface 0 ppp 1 disable restart ip norelay config save restart ...

Страница 42: ...Heritage Series ADSL Bridge Router 3 11 Basic Configurations Remote bridging over PPPoA config reset bridge config save restart ppp 1 pvc none ppp 1 interface 0 ppp 1 disable restart ...

Страница 43: ...3 12 Basic Configurations ...

Страница 44: ...Ethernet with following procedure Before setup RFC 2516 you have to ensure remove existing RFC 1483 or RFC 1577 or RFC 2364 configuration with the procedure mentioned above IP dial out over PPPoE ip device add ethernet ether edd 202 1 136 254 This is the IP of Ethernet port of xDSL Router ip device add ppp_device ether ppp DEVICE 1 ppp 1 pppoe 0 32 Set channel 1 to VPI 0 VCI 32 ppp 1 welogin name ...

Страница 45: ... all config save restart The RFC 2516 configuration also can be removed by following procedure Please ensure to remove the RFC 2516 configuration before set the xDSL Router to other configuration isfs rm resolve isfs rm initppp restart ...

Страница 46: ...Advanced Configurations Chapter 4 Advanced Configurations This Chapter described the advanced features that are primarily intended for experienced users and network administrators to perform network management and more complex configurations ...

Страница 47: ... Our version of NAT goes one step further by allowing several PCs to share one single IP address to the Internet thus reducing connection costs In effect it allows a whole LAN to connect to the Internet as a single user System configuration ISP DSLAM configuration IP address 192 168 102 3 Subnet mask 255 255 255 0 Gateway None Local PC 1 configuration IP address 202 1 136 101 Subnet mask 255 255 2...

Страница 48: ...lassic IP RFC1577 or PPP over ATM RFC2364 or PPP over Ethernet RFC2516 configuration that mentioned above The following command must be added after the ip device add commands have been given and the Router restarted Enables NAT on a Classic IP RFC1577 ip nat add ipoa Enables NAT on a PPP over ATM RFC2364 or PPP over Ethernet RFC2516 ip nat add ppp_device ...

Страница 49: ...mmand in RFC1483 RFC 1577 RFC 2364 or RFC2516 configure procedure have been given and the xDSL Router restarted System configuration ISP DSLAM configuration IP address 192 168 102 3 Subnet mask 255 255 255 0 Gateway 192 168 102 2 Local PC 1 configuration IP address 202 1 136 1 Subnet mask 255 255 255 0 Gateway 202 1 136 254 Local PC 8 configuration IP address 202 1 136 100 Subnet mask 255 255 255 ...

Страница 50: ... to RFC 1577 to above RFC 1577 Routing Mode example ip nat add ipoa ipoa is the device name same as you configure in RFC 1577 example Remove NAT to RFC 1577 to above RFC 1577 Routing Mode example ip nat delete ipoa Add NAT to RFC 2364 RFC2516 to above RFC 2364 RFC2516 Routing Mode example ip nat add ppp_device ppp_device is the device name same as you configure in RFC 2364 RFC2516 example Remove N...

Страница 51: ...twork System configuration ISP DSLAM configuration IP address 192 168 102 3 Subnet mask 255 255 255 0 Gateway None Local PC configuration IP address None obtained by DHCP Subnet mask None obtained by DHCP Gateway None obtained by DHCP By default the xDSL Router is configured as a DHCP server with the following settings Do not allocate dynamic IP addresses to unknown clients deny unknown clients Do...

Страница 52: ...equired option domain name servers 206 13 28 12 206 13 31 12 Set clients domain name as this change as required option domain name pacbell net Use 255 255 255 248 as subnet mask for the IP addr 63 193 197 114 Define subnet for the IP address used by NAT change as needed subnet 63 193 197 114 netmask 255 255 255 248 The basic procedure to change the default setting is that you have to delete the ex...

Страница 53: ... fff ggg hhh iii jjj kkk lll are IP addresses of primary secondary DNS mmmm is domain name All these values are assigned by your service provider dhcpserver config add subnet aaa bbb ccc ddd netmask eee fff ggg hhh aaa bbb ccc ddd is the static IP address assigned by your service provider for the PC eee fff ggg hhh is the subnet mask assigned by your service provider to PC dhcpserver config confir...

Страница 54: ... the current setting is that you have to delete the existing configuration and reentering new configuration home dhcpclient config displays the current DHCP client configuration dhcpclient config flush deletes current DHCP client settings dhcpclient config confirm confirm the previous action config save save the new configuration dhcpclient config displays the current DHCP client configuration Sho...

Страница 55: ...nfig add reboot 500 dhcpclient config add backoff cutoff 240 dhcpclient config add interface ethernet send dhcp client identifier xx xx xx xx xx xx send dpch lease time 900 xx xx xx xx xx xx is the Ethernet Mac address of your xDSL Router dhcpclient config confirm confirm the new configuration config save save the new configuration restart after restart new configuration will take effect ...

Страница 56: ... PPTP Network Server PNS Windows 98 Me 2000 or Windows XP provide PPTP dial out In the following example the PC connects to the xDSL Router firstly must be configured as IP address of PNS 192 168 10 1 Subnet mask of PNS 255 255 255 0 Gateway of PNS 192 168 10 2 IP address of PAC 192 168 10 2 ip device add Ethernet ether edd 192 168 10 2 config save restart ppp 2 pvc 0 32 Set channel 2 to VPI 0 VCI...

Страница 57: ...onfig save restart ppp 2 pvc 0 32 listen Set channel 2 to VPI 0 VCI 32 ppp 2 interface 0 ppp 2 tunnel 1 pptp in ppp 2 enable pptp bind 192 168 10 2 pptp 1 create 192 168 10 1 config save restart The PPTP configuration can be removed by following procedure Please ensure to remove the PPTP configuration before set the xDSL Router to other configuration Remove PPTP either dial out or dial in ip devic...

Страница 58: ...Heritage Series ADSL Bridge Router 4 13 Advanced Configurations pptp bind none config save restart ...

Страница 59: ...4 14 Advanced Configurations ...

Страница 60: ...nd is downloaded to the Router via Ethernet network upon every reset For this the Router needs to be configured and also a TFTP BOOTP utility needs to be installed on the local PC Router Configuration Turn off the Router and turn it on again Keep the key be pressed At the Boot from Ethernet USB or Flash E U F prompt type E Local PC Configuration To download the software you need a TFTP BOOTP serve...

Страница 61: ... you booting the new firmware from the Ethernet network by issue the following commands home flashfs rewrite boot bin this command is available for update boot code only flashfs update flashfs ls You should see some messages about the file name and file sizes that stored in the Router If you get no flash content something went wrong ...

Страница 62: ...er accepts SNMP requests for status statistics and configuration updates Communication with the SNMP agent occurs over the LAN or WAN connection Any management application using SNMP over UDP IP User Datagram Protocol Internet Protocol has access to the local SNMP agent The following MIBs are supported MIB II RFC 1213 Bridge MIB RFC 1493 PPP LCP MIB RFC 1471 PPP Security MIB RFC 1472 PPP IP MIB RF...

Страница 63: ...5 4 Managing the xDSL Router ...

Страница 64: ...stics you can use the serial console port or the Ethernet interface to access the command line interface After power up wait till xDSL LED glows steadily This condition indicates Router has reached SHOWTIME Now dsl process commands can be issued at the dsl prompt to retrieve various measurements Refer to chapter 7 for the details of dsl process commands ...

Страница 65: ...6 2 xDSL Link Performance Statistics ...

Страница 66: ...en and are optional Parameters in between and must be entered The command line interface prompts for commands with a prompt that indicates the identity of the system It determines how to indicate the identity as follows If the SNMP MIB variable sysName 0 exists and is non empty that is used first Otherwise if a local IP address exists that is used Otherwise the local MAC address is used For exampl...

Страница 67: ...iant remembers the process name and sends subsequent commands to the process as if they had been preceded by the process name until the command home is issued The prompt is changed to reflect this moreover if a help command with no arguments is issued it is passed to the process as usual but then information about the home command is appended to the process s output by the console Example DSL isfs...

Страница 68: ...mmands are print reset save Type help all or help command for more details DSL config home help Commands are dsl bridge config flashfs ip isfs nat ppp restart snmp system Type help all or help command for more details DSL config home flashfs help Commands are cat ls update Type help all or help command for more details DSL config home isfs DSL isfs help Commands are ls rm cat Type help all or help...

Страница 69: ...subcommand arp help list subcommands available 3 history mechanism Syntax Description Repeats the previous console command Example DSL ip help arp arp syntax arp cmd execute arp subcommand arp help list subcommands available DSL arp syntax arp cmd execute arp subcommand arp help list subcommands available 4 restart Syntax restart Description Reboots the Router 5 system Syntax system Description Di...

Страница 70: ...and subsequently FLASHFS with the config save command During a FLASHFS update all configuration files in ISFS are written back to FLASH irrespective of whether they have changed or not Normally the firmware image is not rewritten The FLASHFS configuration files can be considered the master copies and the ISFS files the run time copies If the ISFS copies are written back to the FLASHFS the current ...

Страница 71: ...e a file from the ISFS file system The memory used to store the file is freed A subsequent FLASHFS update will write the new shorter ISFS files into FLASHFS providing an implicit rm function for FLASHFS Note If the file removed is the only file that would be stored in FLASHFS as type fixed the file will remain in FLASHFS as the fixed file area will not be re written during an update Example isfs r...

Страница 72: ...ocess which supports multiple devices the DEVICE attribute must be specified as part of the device name The table below shows devices which may be attached to the bridge although not all systems may support all devices lec1 Forum LAN emulation alecjade edd Ethernet driver bun_ethernet ppp Point to Point protocol pp Configuration saving saves this information Example DSL bridge device add edd DSL b...

Страница 73: ...this command will be sent on the port specified packets of all types will always be received By default all bridge ports are set to any which means that the type of the packet will never be checked The meaning of the other options is as follows Option Permitted ETHER_TYPE values ip 0x0800 IP 0x0806 ARP pppoe 0x8863 0x8864 PPP Over Ethernet RFC 2516 The port is specified as an integer as displayed ...

Страница 74: ...guments are given the filter table ageing time The ageing time is the time after which MAC addresses are removed from the filter table when there has been no activity The time is specified in seconds and may be any integer value in the range 10 100 000 seconds This value may also be changed through SNMP Changing the value of filterage has immediate effect Configuration saving saves this informatio...

Страница 75: ...ot force packets arriving on the source port to be sent to all specified destination ports The bridge retains its learning behavior so unicast packets once their destination is known to the bridge will still only be sent to one port Note also that the bridge itself for example when attached to the IP router will always forward to all ports and will always be forwarded to by all ports The default b...

Страница 76: ...set to the forwarding state When spanning tree operation is enabled the state of the bridge s ports is controlled by the spanning tree process The status command reports the state of the spanning tree process Configuration saving saves this information By default spanning tree operation is enabled Example DSL bridge spanning disable DSL bridge spanning enable 10 spanning forwarddelay Syntax spanni...

Страница 77: ...d by the forwarddelay and maxage times The hello time may also be changed by SNMP command Configuration saving saves this information By default the hello time is set to 2 seconds Example DSL bridge spanning hellotime 5 Sets the hello time to 5 seconds 12 spanning maxage Syntax spanning maxage time Description Reads or sets the maximum age of received spanning tree protocol information before it i...

Страница 78: ...take part in the operation of the spanning tree protocol If enabled the physical port may be enabled or disabled as demanded by the operation of the protocol Configuration saving saves this information By default ports are enabled Example DSL bridge spanning port 1 enable Enables port 1 on the bridge 15 spanning port number pathcost Syntax spanning port number pathcost cost Description Reads or se...

Страница 79: ... has a priority of 128 Example DSL bridge spanning port 1 priority Displays the priority for port 1 on the bridge 17 spanning priority Syntax spanning priority bridgepriority Description Reads or sets the priority of the bridge The priority may be any value in the range 0 to 65535 The higher the priority number the less significant in protocol terms the bridge Where two bridges have the same prior...

Страница 80: ...fier of the root bridge The root port for this bridge The root path cost how far the bridge is from the root The various spanning tree time values as defined by the current root bridge The maximum age of spanning tree information before it is discarded max age time The amount of time between configuration protocol packets hello time The amount of time delay when ports are changing state forward de...

Страница 81: ...gument deletes the last line from the configuration file Use of the flush argument deletes the whole configuration Following any change to the configuration file it is necessary to confirm the changes issue a flashfs update to commit the change to FLASH and then restart the system before the changes can take effect Example DSL dhcpserver config Current DHCP server configuration allow unknown clien...

Страница 82: ... no specified lease time or client identifier Example DSL dhcpserver status DHCP Server Lease Status Interface ethernet IP address Client UID Expiry 192 168 219 1 01 00 20 af 20 6f 59 11 hours 192 168 219 2 01 00 20 af 11 2a ac 8 hours 192 168 219 3 Myclient 140 seconds 192 168 219 4 00 20 af 20 00 2b 43 2 days 192 168 219 5 unknown Never 192 168 219 6 unknown Never 192 168 219 7 unknown Never 192...

Страница 83: ...tion This command provides DHCP status information for the active bound lease associated with each valid interface in turn including IP address time until lease renewal subnet mask and DHCP server address Including the all flag shows for each valid interface the active lease leases which are being or have been offered to the interface and any leases which are still being held by the client which a...

Страница 84: ...ludes running a DHCP server on that interface The ip device command lists the current configuration of any devices attached to the IP stack A device configured to use DHCP will show dhcp in the IP address column followed by the actual IP address discovered and bound by DHCP if any For interfaces configured to use DHCP saving configuration only marks the interface as using DHCP it does not save the...

Страница 85: ...l not survive a restart they are not saved by configuration saving Note that the ARP table is used only for destinations on directly connected Ethernet like networks not for those reached through routers although the ARP table may be used to discover the MAC address of the router Example DSL ip arp add ether 192 168 50 1 8 0 20 19 9A D9 DSL ip arp arp add flane 192 168 2 63 00 20 2b e0 03 87 8m58s...

Страница 86: ...ed through the config process the snmp configuration is included Example DSL ip config device add ether ether nice mtu 1500 192 168 2 1 device add vlane ether lane mtu 1500 192 168 55 1 subnet add vlane home 192 168 55 0 ff ff ff 00 subnet add ether home 192 168 2 0 ff ff ff 00 rip send ether 2 rip send vlane 2 rip accept ether 1 2 rip accept vlane 1 2 autoloop on route add default 0 0 0 0 192 168...

Страница 87: ...need to issue the device add command then the config save and reboot then issue any other configuration commands that depend on the existence of the device and then config save again i f is an arbitrary label for the interface which is used in referring to it in subsequent commands It is often chosen to be the same as type though this is perhaps slightly confusing type specifies the class of inter...

Страница 88: ...27 0 0 1 All addresses of the form 127 will then be recognized as loopback addresses as is normal practice For non loopback interfaces the subnet mask for the local network will be assumed to be ff ff ff 00 e g a class C network if the correct subnet mask is other than this then it will need to be set with the subnet command If there is no initialisation file isfs resolve or isfs arptable at all t...

Страница 89: ...0 1 ADDED Additions deletions will have no effect until after config save and restart 4 disable Syntax disable i f Description Disables all interfaces or just a specified interface Example DSL ip disable vlane DSL ip device type dev file IP address device ether ether nice mtu 1500 192 168 2 1 device vlane ether lane mtu 1500 192 168 55 1 DISABLED 5 enable Syntax enable i f mtu size IP address Desc...

Страница 90: ...Description Closes an IP over ATM SVC the number n is as displayed by ipatm files If there is still traffic being sent to the destination concerned IP will soon open a new SVC to the destination Example DSL ip ipatm abort 14 8 ipatm arp Syntax ipatm arp list Description Lists the cached mappings from IP addresses to ATM addresses only relevant when using IP over ATM with SVCs The list parameter is...

Страница 91: ...le DSL ip ipatm arpserver ipatm arpserver atm here DSL ip ipatm arpserver atm 47 0 83 10 a2 0 0 0 0 0 0 0 0 0 20 2b 4 3 8 0 DSL ip ipatm arpserver atm ipatm arpserver atm 47 00 83 10 a2 00 00 00 00 00 00 00 00 00 20 2b 04 03 08 00 10 ipatm files Syntax ipatm files Description Lists the IP over ATM connections listens and slots for available connections Example DSL ip ipatm files i f atm 0 transmis...

Страница 92: ...rt ipatm pvc delete vci port ipatm pvc flush Description Lists configured PVCs for use by IP over ATM configures another deletes one or deletes all i f is the name of an interface configured for IP over ATM using PVCs vci is the VCI to use for the PVC The range of possible VCIs depends on the system IP address is the IP address of the machine at the other end of the PVC If it is not specified TCP ...

Страница 93: ...where an IP address is required and as values of the attributes LHOST and RHOST They are also displayed and returned as attribute values in place of numerical addresses when a suitable mapping exists The iphostname command is hidden not shown by ip help Configuration saving saves this information 14 norelay Syntax norelay all i f i f forward Description Turns off forwarding between interfaces see ...

Страница 94: ...eeded or as should never happen a parameter problem ICMP redirect and source quench messages are reported but TCP IP continues to wait for a final reply or time out Example DSL ip ping 192 168 4 13 1 ip ping 192 168 1 9 reports pkt 5834 to 192 168 4 13 time to live exceeded DSL ip ping 192 168 4 13 2 ip ping reply received from 192 168 4 13 DSL ip ping 192 168 77 77 ip ping no reply received 16 po...

Страница 95: ...telnet 23 TCP someport 105 TCP 17 relay Syntax relay relay all i f i f forward Description Displays or sets what forwarding TCP IP will do between interfaces The combinations of setting forwarding can be a bit confusing they behave as follows Command Enables forwarding relay all from every interface to every non loopback interface relay if1 from if1 to every non loopback interface and from every i...

Страница 96: ... ether relay ether vlane relay vlane vlane 18 rip accept Syntax rip accept all i f none version Description Controls for which version or versions of RIP RIP version 1 RFC 1058 or RIP version 2 RFC 1723 TCP IP will accept incoming information on each interface Configuration saving saves this information By default both RIP versions are accepted on all interfaces rip accept all 1 2 Example DSL ip r...

Страница 97: ...iption Sets or clears the hostroutes flag TCP IP will accept RIP routes to individual hosts only if this flag is on If the flag is off then RIP version 1 routes that appear to be to individual hosts will be treated as if they were to the network containing the host RIP version 2 routes to individual hosts will be ignored The reason for this difference is that RIP version 1 does not allow specifica...

Страница 98: ...n saving saves this information By default the poisoned reverse flag is off Example DSL ip rip poison 24 rip relay Syntax rip relay RIP version name i f timeout Description Configures a RIP relay RIP relays were designed as a means of using RIP on a non broadcast medium currently only IP over ATM on such an interface TCP IP will send RIP information individually to each configured RIP relay instea...

Страница 99: ...erfaces rip send all 2 Example DSL ip rip send all 2 DSL ip rip send ether 1 DSL ip rip allowed rip send ether 1 rip send vlane 2 rip accept ether 1 2 rip accept vlane 1 2 27 route Syntax route route add name dest relay mask cost timeout route delete name route flush Description Lists routes adds or deletes a static route or deletes all routes name is an arbitrary name specified to route add that ...

Страница 100: ...ys the routing table It adds a comment to each route with the following information How the route was obtained one of MAN configured by the route command RIP obtained from RIP ICMP obtained from an ICMP redirect message SNMP configured by SNMP network management The time out if the route is not permanent The original time out if the route is not permanent The name of the interface if known that wi...

Страница 101: ...h ether all DSL ip routeflush 29 routes Syntax routes Description Lists routes The same as route with no parameters 30 stats Syntax stats arp icmp ip tcp udp reset stats help cmd all Description Displays or clears a subset of IP statistics Example DSL ip stats udp ip UDP receptions delivered to users 0 ip UDP receptions with no users 170 ip Otherwise discarded UDP receptions 0 ip Transmitted UDP p...

Страница 102: ...separated by colons A subnet is defined automatically for each interface with a name formed by appending home to the device name The only significant use for the subnet command is to change the masks for these automatic subnets if the default masks see device command are not correct Subnet definitions for other subnets can also be useful in conjunction with RIP version 1 which does not communicate...

Страница 103: ... is currently enabled For each of these a status and IP address is listed The IP address is discovered automatically from the IP stack The status shows the user whether NAT is currently operational on that interface enabled or whether NAT is still waiting to find out the interface s IP address not ready Example nat interfaces Name Status IP address ethernet enabled 194 129 40 2 ppp not ready 3 nat...

Страница 104: ...tion is automatically added by NAT to when writing its configuration to flash this is because when a system boots the NAT process reads in these rules before IP has registered any interfaces nat inbound list shows the current rules for inbound traffic including all the arguments passed to the nat inbound add command nat inbound delete removes a rule where is the rule number as shown by the nat inb...

Страница 105: ... ports which each ALG monitors Example nat protocols Name Port IP protocol ftp 21 tcp 6 nat sessions Syntax nat sessions i f all summary Description The nat sessions command displays a list of currently active NAT sessions on the interface i f In this context a session is a pair of source IP addresses and port numbers and corresponding new port number that NAT regards as one side of an active conn...

Страница 106: ...at stats Syntax nat stats i f reset Description This command displays various statistics gathered by NAT on the interface i f These are cumulative totals since power on or since the reset keyword was given The nat stats command does not provide the total number of packets or bytes transferred as this information is normally available from the device driver on the interface which NAT is filtering E...

Страница 107: ... the channel number 1 2 Users A user is a user name and password All users must have distinct names The user console command controls these 1 3 Interfaces An interface is an internal MAC Ethernet device PPP channels must be associated with an interface to be involved with bridging or routing 1 4 Interface 1 and Channel 1 Interface 1 has some special functions associated with it allowing dynamic IP...

Страница 108: ...tiated MRU This command sends an LCP Discard packet of the specified size If no size is given a minimal sized packet is sent Arrival of a Discard packet is logged locally as a level 2 event The link must be up and operational in order to do the discard test 5 channel echo Syntax channel echo size Description Echo is an LCP packet which is used to test an established PPP link It solicits a ping lik...

Страница 109: ...hannel By default this is disabled In the PPP state machine this flag sets the PPP link to open If it is already open there is no effect Configuration saving saves this information By default all channels are disabled 8 channel hdlc Syntax channel hdlc 1 0 Description If 1 use an HDLC header on the front of transmitted packets and require one on received ones This consists of two bytes FF 03 and a...

Страница 110: ...uter is desired Other interfaces can be created for bridging A single PPP channel can only be associated with a single interface or a single tunnel Use info to find the current setting Calling with n 0 removes any association This is the default state Configuration saving saves this information 11 channel lcpmaxconfigure Syntax channel lcpmaxconfigure n Description Set the Max Configure parameter ...

Страница 111: ...s This consists of four bytes FE FE 03 CF and is required for PPP Over AAL5 RFC 2364 p4 when using LLC encapsulated PPP If 0 disable this Call with no argument to find the current setting The default value is 0 disabled Configuration saving saves this information If not set and a packet is received with an LLC header the channel goes into a learned LLC mode and sends packets with the LLC header Th...

Страница 112: ...ue to an authentication failure If in this state an incoming packet will cause the PPP state machine to go up If listen is specified then this is the server end of a PVC It will not send out PPP Configure Requests until it first receives a packet over the PVC When a connection is torn down it goes returns to this state Use the info command to read this information Configuration saving saves this i...

Страница 113: ...VC for a PPP channel should be an SVC i e created by signaling This can either be by listening for an incoming call or by making an outgoing call to a specified ATM address The outgoing call or listen occurs immediately If the call fails it will be retried after a few seconds In the PPP state machine providing a connection of this form causes the channel to be up or down Note that enable must also...

Страница 114: ...hed to individual channels but are matched to particular users as defined using the user command This command specifies that when using this channel the user must log on using the specified protocol and that they must provide any name password combination which has been defined for that protocol using the user command To remove this information on a channel call theylogin with a single argument of...

Страница 115: ... 22 interface n localip Syntax interface n localip address Description This command describes parameters for IPCP the IP Control Protocol when providing the server end of an IPCP connection The server knows its own IP address and may allocate an IP address to the remote end This command tells the PPP process for a particular interface the local IP address to be associated with the local end For in...

Страница 116: ...ete name all Description This command stores information about a particular login name password combination This is referred to as a user regardless of whether it represents an individual When user is called on its own information about all existing users is listed When user name is called with no further arguments details of that user alone are printed Passwords are not shown Use user delete to d...

Страница 117: ...ddresses to allow access with the same community name from a number of different machines The number of access records community names paired with optional IP addresses that can be configured is limited only by available memory The delete option deletes an access record The IP address must match exactly if it is not specified only a matching access record that has no IP address will be deleted The...

Страница 118: ...62 3 trap Syntax trap add community IP addr port trap delete community IP addr port trap flush trap list Description Manipulates the list of destinations to which SNMP traps will be sent The default UDP port to send traps to is 162 but it may be overridden by specifying port Configuration saving saves the list of trap destinations Example DSL snmp trap flush DSL snmp trap add public 192 168 4 73 D...

Страница 119: ...fect Syntax show defect Description This command displays the defects data of the xDSL link It will not return any message if xDSL link is not established yet 3 down Syntax down Description Disable xDSL link 4 up Syntax up Description Enables xDSL link 5 mode Syntax mode Description This command displays the current mode of the xDSL link 6 mode multi Syntax mode multi Description Set multi mode of...

Страница 120: ...of ADSL link ADSL Router which supports Annex C available 9 mode gdmt fbm Syntax mode gdmt fbm Description Set G dmt FDM mode of ADSL link ADSL Router which supports Annex C available 10 mode glite dbm Syntax mode glite dbm Description Set G lite DBM mode of ADSL link ADSL Router which supports Annex C available 11 mode glite fbm Syntax mode glite fbm Description Set G Lite FBM mode of ADSL link A...

Страница 121: ...pe b Description Set SHDSL Router to be CPE which supports Annex B 15 mode co ab Syntax mode co ab Description Set SHDSL Router to be CO side equipment which supports Annex A Annex B or auto detection 16 mode co a Syntax mode co a Description Set SHDSL Router to be CO side equipment which supports Annex A 17 mode co b Syntax mode co b Description Set SHDSL Router to be CO side equipment which supp...

Страница 122: ...s not established yet 19 show perf Syntax show perf Description This command displays the performance counters data of the xDSL link It will not return any message if xDSL link is not established yet 20 show id Syntax show id Description This command displays the vendor id of local equipment and remote equipment It will not return any message if xDSL link is not established yet ...

Страница 123: ...7 58 Command Sets for Command Line Interface ...

Страница 124: ...ress for it Each client is assigned a lease which expires after an amount of time chosen by the administrator by default 12 hours Some time before leases expire the clients to which leases are assigned are expected to renew them in order to continue to use the addresses Once a lease has expired the client to which that lease was assigned is no longer permitted to use the leased IP address and must...

Страница 125: ...BOOTP clients in perpetuity although the network administrator may set an earlier cut off date or a shorter lease length for BOOTP leases if that makes sense BOOTP clients may be served in the old way which is to provide a declaration in the dhcpd conf file for each BOOTP client permanently assigning an address to each client 8 2 DHCP Server Configuration This section discusses the required format...

Страница 126: ...ength These are specified as clauses to the subnet command subnet 239 252 197 0 netmask 255 255 255 0 range 239 252 197 10 239 252 197 107 default lease time 600 max lease time 7200 This subnet declaration specifies a default lease time of 600 seconds ten minutes with a maximum lease time of 7200 seconds two hours Other common values would be 86400 one day 604800 one week and 2592000 30 days 8 3 3...

Страница 127: ...erver can supply any of the options given there this could be useful when using for example a DHCP server with several Microsoft DHCP clients 8 4 Configuration reference guide The DHCP configuration file dhcpd conf is a free form ASCII text file The file may contain extra tabs and newlines for formatting purposes Keywords in the file are case insensitive Comments may be placed anywhere within the ...

Страница 128: ... bit subnets on the same ethernet until such time as a new physical network can be added In this case the subnet declarations for these two networks may be enclosed in a shared network declaration Some sites may have departments which have clients on more than one subnet but it may be desirable to offer those clients a uniform set of parameters which are different than what would be offered to cli...

Страница 129: ...etmask should be an IP address which resolves to the subnet mask of the subnet being described The subnet number together with the subnet mask are sufficient to determine whether any given IP address is on the specified subnet Although a subnet mask must be given with every subnet declaration it is recommended that if there is any variance in subnet masks at a site a subnet mask option statement b...

Страница 130: ... fixed address clause hostname should be a name identifying the host If a hostname option is not specified for the host hostname is used Host declarations are matched to actual DHCP or BOOTP clients by matching the dhcp client identifier option specified in the host declaration to the one supplied by the client or if the host declaration or the client does not provide a dhcp client identifier opti...

Страница 131: ... not be able to get and address from the DHCP server 8 4 4 Parameters default lease time default lease time time Time should be the length in seconds that will be assigned to a lease if the client requesting the lease does not ask for a specific expiration time max lease time max lease time time Time should be the maximum length in seconds that will be assigned to a lease if the client requesting ...

Страница 132: ...rver parameter applies to a given client the DHCP server s IP address is used fixed address fixed address IP address IP address The fixed address statement is used to assign one or more fixed IP addresses to a client It should only appear in a host declaration If more than one address is supplied then when the client boots it will be assigned the address which corresponds to the network on which i...

Страница 133: ...uaranteed to share a common notion of time and date use dynamic bootp lease length instead dynamic bootp lease length dynamic bootp lease length length The dynamic bootp lease length statement is used to set the length of leases dynamically assigned to BOOTP clients At some sites it may be possible to assume that a lease is no longer in use if its holder has not used BOOTP or DHCP to get its addre...

Страница 134: ...d with the physical network interface on which the request arrived The usual case where the server identifier statement needs to be sent is when a physical interface has more than one IP address and the one being sent by default is not appropriate for some or all clients served by that interface 8 4 5 Option statements The DHCP server can supply values for all options given in RFC2132 including th...

Страница 135: ... STD 13 RFC 1035 name servers available to the client Servers should be listed in order of preference option log servers ip address ip address The log server option specifies a list of MIT LCS UDP log servers available to the client Servers should be listed in order of preference option cookie servers ip address ip address The cookie server option specifies a list of RFC 865 cookie servers availab...

Страница 136: ...on domain name string This option specifies the domain name that client should use when resolving hostnames via the Domain Name System option swap server ip address This specifies the IP address of the client s swap server option root path string This option specifies the path name that contains the client s root disk The path is formatted as a character string consisting of characters from the NV...

Страница 137: ...th MTU values discovered by the mechanism defined in RFC 1191 option path mtu plateau table uint16 uint16 This option specifies a table of MTU sizes to use when performing Path MTU Discovery as defined in RFC 1191 The table is formatted as a list of 16 bit unsigned integers ordered from smallest to largest The minimum MTU value cannot be smaller than 68 option interface mtu uint16 This option spec...

Страница 138: ...the client should perform router discovery option router solicitation address ip address This option specifies the address to which the client should transmit router solicitation requests option static routes ip address ip address ip address ip address This option specifies a list of static routes that the client should install in its routing cache If multiple routes to the same destination are sp...

Страница 139: ...e of zero indicates that the client should not generate keep alive messages on connections unless specifically requested by an application option tcp keepalive garbage flag This option specifies the whether or not the client should send TCP keep alive messages with a octet of garbage for compatibility with older implementations A value of 0 indicates that a garbage octet should not be sent A value...

Страница 140: ... an M node a value of 8 corresponds to an H node option netbios scope string The NetBIOS scope option specifies the NetBIOS over TCP IP scope parameter for the client as specified in RFC 1001 1002 See RFC1001 RFC1002 and RFC1035 for character set restrictions option font servers ip address ip address This option specifies a list of X Window System Font servers available to the client Servers shoul...

Страница 141: ...8 18 DHCP Server Operation ...

Страница 142: ...t startup dhclient conf via ISFS which in turn may be retrieved from FLASH if the file exists there The DHCP Client omits support for permanent lease declarations IP aliasing and media requests and does not allow all DHCP options specified in 3 For details and format of supported options see section 7 While an client can accept anything a server sends to it it can only actually configure the IP st...

Страница 143: ... appears to be valid it will use that lease s address If there are no valid static leases or unexpired leases in the lease database the client will restart the protocol after the defined retry interval 9 1 2 Retry retry time The retry statement determines the time that must pass after the client has determined that there is no DHCP server present before it tries again to contact a DHCP server By d...

Страница 144: ...t determines the maximum amount of time that the client is allowed to back off The backoff cutoff time defaults to two minutes 9 1 6 Initial interval initial interval time The initial interval statement sets the amount of time between the first attempt to reach a server and the second attempt to reach a server Each time a message is sent the interval between messages is incremented by twice the cu...

Страница 145: ...auses the client to send the specified options to the server with the specified values Options that are always sent in the DHCP protocol should not be specified here except that the client can specify a requested lease time option other than the default requested lease time which is two hours this would normally be done on a per interface basis see section 6 3 2 The other obvious use for this stat...

Страница 146: ...m is extensible allowing vendor specific customization and possible support of more options in future A DHCP client accepts the following information and uses it to configure the IP stack IP address Subnet mask The following would be useful but are not supported in current software Default routers one only Static routes These are less useful but it is possible they will be supported in future IP f...

Страница 147: ...The uint32 data type specifies an unsigned 32 bit integer The int16 and uint16 data types specify signed and unsigned 16 bit integers The int8 and uint8 data types specify signed and unsigned 8 bit integers Unsigned 8 bit integers are also sometimes referred to as octets The string data type specifies an NVT ASCII string which must be enclosed in double quotes for example to specify a domain name ...

Страница 148: ... be used to request a specific lease duration by the client The analogous option on the server is max lease time For example send dhcp lease time 200 would set a client to request a lease time of 200 seconds option dhcp client identifier data string This option should be used to specify a client identifier in a host declaration so that a DHCP server can find the host record by matching against the...

Страница 149: ...9 8 DHCP Client Configuration ...

Страница 150: ... interface xDSL line through RJ 11 connector Console Port RS 232 interface Standard Compliance ADSL ANSI T1 413 issue2 ITU T G 992 1 Full rate DMT ITU T G 992 2 Lite DMT ITU T G 994 1 G hs SHDSL ANSI T1E1 4 HDSL2 ITU T G 991 2 G shdsl ITU T G 994 1 G hs RFC 1483 BPDU Bridge Ethernet over ATM PVC LLC SNAP RFC 1483 RPDU Routed IP over ATM PVC LLC SNAP RFC 1577 Classic IP over ATM MTU 1500 RFC 2364 P...

Страница 151: ...bnet DHCP RFC 2131 RFC 2132 server and client BOOTP RFC 2131 RFC 2132 SNMP version 1 RFC 1155 RFC 1157 RFC 1213 TELNET server RFC 854 855 857 858 NAT server TFTP revision 2 RFC 1350 PPP Point to Point Protocol support PAP CHAP user Authentication with PPP PPTP tunneling Data rates ADSL Up to 8 Mbps downstream and 640 Kbps upstream Rate adaptive in 32 Kbps steps SHDSL Symmetric 2 3Mbps maximum Conn...

Страница 152: ...Some models does not support Power Adaptor The Heritage xDSL Router is powered by a 9V or 12V DC 1A power adaptor which included in this package with positive polarity inside and negative polarity outside In any case the standard power adaptor come with the modem is not available please find a power adaptor meet above specifications ...

Страница 153: ... LEDs on the front panel of your router If the POWER LED is dark Make sure the power cord is firmly plugged into the back panel of the router and the other end into an active AC wall or power strip outlet Make sure the power switch is turned on If the PC LED is dark Make sure your Ethernet cable is firmly plugged into the back panel of the router and the other end into your computer or HUB Make su...

Страница 154: ... the terminal emulation software is configured correctly Check the baud rate and data format is configured to 9600 bps No parity 8 data bits and 1 stop bit B 3 Problems when connecting to the Modem via Ethernet Cannot connect your PC to the Modem for configuration via Ethernet Make sure the PC LED is light Make sure the Modem s IP address matches the IP address previously stored into the Modem s c...

Страница 155: ...d to next step directly If you don t get a response back check that The network adapter card is installed The TCP IP protocol is installed The TCP IP protocol is bound to the network adapter 2 Ping the IP address of your Modem If you get a response back proceed to next step directly If you don t get a response back the problem lies between your PC and your Modem Check the cables Check the hub Make...

Страница 156: ...ration B 5 Contact us for Technical support We are committed to providing our customers with reliable products and documentation backed by excellent technical support Before contacting us please look in this chapter for a solution to your problem You may find a solution in this chapter If you cannot find a solution collect your configuration information listed below before contacting our technical...

Страница 157: ...0 Kbits sec upstream ANSI American National Standards Institute Devises and proposes recommendations for international communications standards ARP Address Resolution Protocol An Internet protocol used to bind an IP address to Ethernet 802 3 addresses ASCII American Standard Code for Information Interchange 8 bit code for character representation ATM Asynchronous Transfer Mode Cell relay broadband...

Страница 158: ...as servers PC computers on a LAN can be clients Community strings Sequences of characters that serve much like passwords for devices using SNMP Different community strings may be used to allow an SNMP user to gather device information or change device configurations Console port Device used by the network administrator to configure and monitor the Modem The console port employs an RS232 interface ...

Страница 159: ...ernet address IP address Any computing device that uses the Internet Protocol IP must be assigned an internet or IP address This is a 32 bit number assigned by the system administrator usually written in the form of 4 decimal fields separated by periods e g 192 9 200 1 Part of the internet address is the IP network number IP network address and part is the host address IP host address All machines...

Страница 160: ...er MIB Management information base A standardized structure for SNMP management information NAT Network Address Translation A feature that allows communication between the LAN connected to the Modem and the Internet using a single IP address instead of having a separate IP address for each computer on the network NSP Network Service Provider Company from which you buy your network services PAP PPP...

Страница 161: ... RFC Request for Comment A series of documents used to exchange information and standards about the Internet RIP Routing Information Protocol A protocol used for the transmission of IP routing information RJ 11 A telephone industry standard connector type usually containing four pins RJ 45 A telephone industry standard connector type usually containing eight pins Routing A network layer function t...

Страница 162: ...sk to specify that a number of bits in an internet address will be used as a subnet number rather than a host address Subnet Address An extension of the Internet 32 bit addressing scheme which allows the separation of physical or logical networks within the single network number assigned to an organization TCP IP entities outside this organization have no knowledge of the internal subnetting Subne...

Страница 163: ...device TELNET Internet standard protocol for remote terminal emulation that allows a user to remotely log in to another device and appear as if directly connected Transparent Bridging Bridging technique used in Ethernet networks which allows transfer of frames across intermediate nodes using tables associating end nodes with bridging addresses Bridges are unknown to the end nodes VCI Virtual Chann...

Страница 164: ...RJ 11 wall jack usually has four pins an RJ 45 wall jack usually has eight pins WAN Wide Area Network A network that consists of nodes connected by long distance transmission media such as telephone lines WANs can span a state a country or even the world ...

Страница 165: ...dvance notice isn t practical you will be notified as soon as possible You will be informed of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect proper operation of your equipment If they do you will be notified in advance to give you an opportunity to maintain uninterrupted telephone service T...

Страница 166: ...n maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utility telephone lines and internal metallic water pipe system if pres...

Страница 167: ...vidual PSTNs provided in different countries the approval does not of itself give an unconditional assurance of successful operation on every PSTN network termination point In the event of problem you should contact your equipment supplier in the first instance Note The manufacturer should ensure that the vendor and user of the equipment is clearly informed of the above information by means of pac...

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