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NEXPEED NR304G-4W User’s Manual

NexComm Systems, Inc. 74 PAGE

Configuration example:

In the following example, two routers, NR304G-4W #1 and NR304G-4W #2, connect back-to-

back over two pairs SHDSL lines with mx0 interface. Two routers are configured as a bridge and

set up the high-level data link control (HDLC) encapsulation.

Configuration for NR304G-4W #1

Configuration for NR304G-4W #2

(conf)# device s0 gshdsl co 2320
(conf)# device s1 gshdsl co 2320
(conf)# device mx0 bind s0
(conf)# device mx0 bind s1
(conf)# interface lan ip 10.0.1.1 255.255.255.0
(conf)# interface mx0 ip unnumbered
(conf)# interface lan bridge enable
(conf)# interface mx0 bridge enable
(conf)# ip routing disable lan
(conf)# ip routing disable mx0
(conf)# write config
(conf)# reboot flash

(conf)# device s0 gshdsl rt
(conf)# device s1 gshdsl rt
(conf)# device mx0 bind s0
(conf)# device mx0 bind s1
(conf)# interface lan ip 10.0.1.2 255.255.255.0
(conf)# interface mx0 ip unnumbered
(conf)# interface lan bridge enable
(conf)# interface mx0 bridge enable
(conf)# ip routing disable lan
(conf)# ip routing disable mx0
(conf)# write config
(conf)# reboot flash

NR304G-4W #1

mx0

10.0.1.0/24

10.0.1.0/24

LAN

NR304G-4W #2

mx0

LAN

Central

Office

Remote

Office

Total Data Rate - 4640 Kbps

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Содержание NR304G-4W

Страница 1: ...N NE EX XP PE EE ED D N NR R3 30 04 4G G 4 4W W S SH HD DS SL L R Ro ou ut te er r U Us se er r s s M Ma an nu ua al l NexComm Systems Tel 82 31 781 1862 Fax 82 31 781 1863 E mail support nexcomm co kr ...

Страница 2: ...um or machine readable form or otherwise duplicated and information herein may not be used disseminated or otherwise disclosed except with the prior written consent of NexComm Systems Co Inc June 20 2003 This document may be subject to change for correction and upgrade Contact NexComm Systems Co Inc Suite Admin 201 Bundang Techno Park 151 Yatap Dong Bundang Ku Sungnam City Kyunggi Do 463 760 Korea...

Страница 3: ...er on a wall 13 Connecting Cables and Connectors 15 PART III Configuring the Router 18 Reviewing the Factory Default configuration 19 Accessing the Console 20 User Mode 21 Configuring SHDSL Port 23 Operation Mode of the Interface 28 Configuring IP Routing and IP Address 31 Configuring Bridging 36 Configuring Link Encapsulation and Keepalive 40 Other Commands Related Interface 42 Configuring Static...

Страница 4: ... 63 Load Balancing and Line Backup 66 Link Multiplexing 70 PART V System maintenance 75 Accessing the router through Telnet 76 Configuring SNMP 77 Upgrading the System Software 80 PART VI Configuration Examples 84 Example1 Bridging Configuration with 4 wire 85 Example2 Routing Configuration with 4 wire 88 Example3 Bridging Configuration with 2 wire 92 Example4 Routing Configuration with 2 wire 95 ...

Страница 5: ...NEXPEED NR304G 4W User s Manual NexComm Systems Inc 4 PAGE PART I NEXPEED NR304G 4W Introduction ŋ Overview and Features ŋ Specification ŋ Product Appearance ...

Страница 6: ...ies SHDSL is a technology based on the G SHDSL G 991 2 standard NR304G 4W supports a packet based network technology that allows high speed transmission over twisted pair copper wire between an Internet service provider central office and a customer site or on local loops created within a building The NR304G 4W operates over 2 wire and 4 wire lines enabling service over any copper infrastructure T...

Страница 7: ...dging and routing functions It can bridge nonrouted traffic such as IPX or NETBEUI traffic Front panel LEDs enable the easy check of the interface status PING utilities enable to check the network status Can be configured either by serial console or Telnet S W HTTP server enables WEB based management Supports SNMP MIB1 and MIB2 and monitoring through SNMP base application Supports TCP IP UDP ICMP ...

Страница 8: ... Port for Ethernet 1 port with RJ 45 Console Port RJ 45 Data Rate DSL 200Kbps 2320Kbps LAN 10 100Mbps auto negotiation Power external Adapter 5V 2A Dimensions 230mm W x 165mm D x 35mm H Software Specifications Ethernet TCP IP SHDSL HDLC PPP PAP CHAP Frame Relay ETHDLC Bridging Address Learning 1024 Address support Routing Static RIP1 RIP2 Management SNMP MIB I MIB II Application TELNET ProxyARP IP...

Страница 9: ...uses F1 KST 250 Vac 2 A F2 F3 F1250T 250 V 1 25 A Power Adapter Requirements This unit should be uses UL Listed AC DC Adaptor CCN EPBU EPBU7 QQGQ or QQGQ7 for USA or Canada only Marked with LPS or Limited Power Source for QQGQ or QQGQ7 Rated input 100 VAC 240 VAC 0 3 A 50 60 Hz Rated output 5V DC 2 0 A ...

Страница 10: ...IPTION POWER Off Solid green On when power is supplied to the router LNK ACT Off Solid green Flashing green On when the Ethernet device is connected Blinks when an LAN port receives a packet 10 100 Off Solid green OFF when the LAN port is 10BaseT link operational On when the LAN port is 100BaseTX link operational DSL SYNC1 SYNC2 Off Solid green Flashing green On when the line is trained and the se...

Страница 11: ...to a DC 5V power adapter an external 5V 2A adapter LAN RJ 45 Connect to a UTP cable for communication with network devices such as user s computer hub switch and router CONSOLE RJ 45 Connect to a console cable for a serial communication with a user s computer LINE RJ 45 Connect the line cable to the 8 pin RJ 45 connector designated LINE1 LINE2 The LINE port can operate either 2 wire mode or 4 wire...

Страница 12: ...NEXPEED NR304G 4W User s Manual NexComm Systems Inc 11 PAGE PART II Installing the Router ŋ Physical Environments ŋ Checking in the Box ŋ Mounting the router on a wall ŋ Connecting Cables and Connectors ...

Страница 13: ...outer Power cable and a AC DC adapter UTP cable with RJ 45 for LAN connection Console cable RJ 45 to DB9 connector Telco cable with RJ 45 1st and 2nd 4th and 5th for SHDSL connection The box in which you received the NEXPEED NR304G 4W product should contain the following components Please be sure to check if the following items are found in the box Table 2 1 In a package of the NEXPEED NR304G 4W r...

Страница 14: ...1 Bottom of Router When mounting the router you consider the following conditions To look the front panel LEDs the router front panel must face upward The back panel must face downward to reduce strain on the cable connections The power supply must rest on a horizontal surface such as the floor or a table If the power supply is not supported it might place strain on the power supply cable and caus...

Страница 15: ...Use the following steps to mount the router on the wall Step1 Secure two screws 4 29 in 10 9 cm apart in a wall Step2 Hang the router on screws Step3 Place power supply on horizontal surface Figure 2 2 Mounting the Router on a Wall m G G G UY G OXWU G P T T w G ...

Страница 16: ... the LED named POWER is turned on among the LEDs in the front panel Note If the LED is not on check if the power cable is properly connected or if the power terminal is being supplied with the normal power Connecting LAN Port 1 Confirm if the UTP cable connector is a RJ 45 jack 2 Connect one end of the UTP cable to the network equipment such as a cable or hub 3 Connect the other end of the UTP cab...

Страница 17: ...hone lines preinstalled for the SHDSL connection and use a tool to achieve a correct assembly 2 Connect the assembled RJ 45 connector to the port named LINE in the back of the NR304G 4W unit Note Among the front panel LEDs the LED named SYNC1 or SYNC2 a branch of DSL will be turned on when the router is ready for a normal communication Connecting Console Port You can change the setting in the cons...

Страница 18: ...acters appear on your display you probably have a communications setting problem Mask sure that your communications software is configured as follows Table 2 3 Console software parameters PARAMETER VALUE Bits per Second 9600 Data Bits 8 Parity N Stop Bit 1 Flow Control None Terminal Type VT100 ...

Страница 19: ...ration ŋ Accessing the Console ŋ User Mode ŋ Configuring SHDSL Port ŋ Operation Mode of the Interface ŋ Configuring IP Routing and IPAddress ŋ Configuring Bridging ŋ Other Commands Related Interface ŋ Configuring Static IP Routes ŋ Configuring RIP ŋ Configuring the ARP Table ŋ Saving the Configuration ŋ Rebooting the system ...

Страница 20: ...3 running 3 9 1 Thu Jun 5 14 30 34 2003 saved mac address 00 d0 84 01 08 b2 console baudrate 9600 hostname NR304G 4W device s0 gshdsl rt auto annex A startup margin 6 db device s1 gshdsl rt auto annex A startup margin 6 db device lan 10 100BASE T device mx0 bind s0 device mx0 bind s1 interface local ip 127 0 0 1 255 0 0 0 encapsulation NULL interface s0 disabled interface s1 disabled interface lan...

Страница 21: ...rt Note If random or illegible characters appear on your display you probably have a communications setting problem Mask sure that your communications software is configured as follows Table 3 1 Console software parameters PARAMETER VALUE Bits per Second 9600 Data Bits 8 Parity N Stop Bit 1 Flow Control None Terminal Type VT100 Telnet Connection Once the NR304G 4W has been configured with an IP ad...

Страница 22: ...ode enter the Exit command at the prompt NR304G 4W exit Note The default password must be typed in a lower case If the properly typed default password does not work check whether the Caps Lock key is pressed or not Configuration Mode This mode makes all command available to configuring system and monitoring administrative information Activate the Configuration Mode 1 Type the following command in ...

Страница 23: ...g a password for Login Mode COMMAND conf passwd Usage Examples NR304G 4W conf passwd Enter login password xxxx New password yyyy Re enter new password yyyy Changing a password for Configuration Mode COMMAND conf passwd config Usage Examples NR304G 4W conf passwd config Enter config password xxxx New password yyyy Re enter new password yyyy And then you must save the changes in Flash memory COMMAND...

Страница 24: ...ents The default Annex type is Annex A COMMAND conf device ifname annex a b Usage Examples conf device s0 annex b Configure SHDSL annex type B Verifying your change COMMAND conf show device Configuring Unit Type and Data Rate The SHDSL port supports multiple data rate and rate adaptive capability Also it can act as both a COE and a CPE The SHDSL port supports multiple line rates ranging from 200 k...

Страница 25: ...es conf dev s0 gshdsl co 2320 The s0 interface functions as COE and operates at a line rate of 2320Kbps in Fixed Mode conf dev s1 gshdsl co auto 2056 The s1 interface functions as COE and operates at a line rate of 2056Kbps maximum bit rate in Adaptive Mode conf dev s1 gshdsl rt The s1 interface functions as CPE Viewing the device configuration To verify whether the unit type and a line rate are c...

Страница 26: ...atus of a G SHDSL physical port on the router COMMAND conf gshdslset You can verify values related the line rate using the following command COMMAND conf gshdslset status Usage Examples conf gs G SHDSL R2 0 A 233 1 21 Device Driver 20 56 03 17 2003 chipset information Line 0 1 Index of SHDSL port Side RT RT Equipment Type Mode ADAPTIVE ADAPTIVE Rate Mode OP state Data Data Operating Status SYNC st...

Страница 27: ...ed target SNR margin during training the line attempts to retrain The default startup SNR margin is 6dB To configure the startup SNR margin use the following command COMMAND conf gshdslset margin dB value 0 15 Usage Examples conf gs margin 3 Start up margin is changed into 3 dB conf Note1 If you change the startup SNR margin after the line has been trained drop the line and attempt to retrain Beca...

Страница 28: ... the wire If the data rate is set to a speed lower than the full capability of the loop being used there is no need to push maximum power on the loop Instead the COE DSLAM can reduce the power level maintaining speed while using the minimum amount of power to support the signal To enable or disable power backoff use the following command COMMAND conf gshdslset backoff enable COMMAND conf gshdslset...

Страница 29: ...ANs together so that all devices share the same logical LAN segment and network number Transparent bridging allows locally connected devices to send frames to all devices as if they are local It allows protocols that cannot be routed such as NETBIOS to be forwarded Bridging is useful primarily in providing connectivity for protocols other than IP although it can be used to join segments of an IP n...

Страница 30: ...ble protocols Operation Mode Each interface can operate as one of the following tree mode based on configuration settings Routing Only Mode routing is active bridging is not active The interface can be configured to perform general routing operation When only IP traffic is to be routed and all other protocol traffic is to be ignored In general when you set the IP including IP unnumbered in the int...

Страница 31: ...ctive In this mode only IP packets are routed and all other packets IPX NetBEUI etc are handled with bridging You set up an IP address to the interface and enable bridging to the interface Verify operation mode for network interface To verify the interface mode use the show interface command COMMAND conf show interface ifname ...

Страница 32: ...d to the LAN interface without an additional activation command the interface can be automatically enabled making the communication possible The pre allocated IP address and subnet mask should be set in the LAN interface If the IP address to be set is not known please contact the network manager COMMAND conf interface ifname ip address mask Parameters ifname interface name address IP address mask ...

Страница 33: ...ce is borrowed and used as the source address for packets sourced from the serial interface In this way address space is conserved IP unnumbered only makes sense for point to point links Assigning Multiple IP Addresses to the Interface The router supports multiple IP addresses per interface You can specify an unlimited number of secondary addresses Secondary IP addresses can be used in a variety o...

Страница 34: ...d to the router please contact the network manager COMMAND conf interface ifname delete conf interface ifname delete secondary address Parameters ifname interface name secondary address removes the specified secondary IP address Usage Examples conf int lan delete conf int s0 delete conf int lan delete secondary 192 168 3 2 Viewing configurations for each interfaces Lists information about each int...

Страница 35: ... 126 188 130 IP address to the LAN interface subnet mask value is 255 255 255 0 conf lan 10 Mbps half duplex Link Up The LAN interface is connected physically 10Mbps half duplex with host or router Displays the LAN interface information as follows conf show interface lan Interface lan status UP mtu 1500 ip address 168 126 188 130 255 255 255 0 Routing only mode ether 00 d0 84 01 08 b2 speed 10 Mbp...

Страница 36: ...ng multiple IP addresses to the LAN interface conf int lan ip 172 16 10 1 255 255 255 0 secondary sets up the 172 16 10 1 IP address to the LAN interface as the secondary IP address subnet mask value is 255 255 255 0 Note Don t forget adding the string secondary Otherwise it replaces your primary IP address with new IP address conf show interface lan Interface lan status UP mtu 1500 ip address 168...

Страница 37: ...lc encapsulated serial and Ethernet Related Commands interface ifname bridge ip routing disable show interface Configuring the router as a bridge There are two ways how to configure the router as a bridge All interfaces are configured Bridging Only mode If the interface is not configured routing enable bridging to the interface If the interface is configured routing enable bridging to the interfac...

Страница 38: ...s to the interface enables IP routing by default In that case that interface becomes Routing and Bridging mode All IP packets are routed by a router Refer to the Operation Mode of the Interface chapter To forward all IP and ARP frames by the router you must remove IP routing Use the following command to enable or disable IP routing COMMAND conf ip routing enable ifname conf ip routing disable ifna...

Страница 39: ...rd bridged packets to the right network destination the NR304G 4W uses a bridge table that associates end nodes with particular connections It builds this table dynamically in a process called transparent bridging Viewing Operation Mode of the Interface To verify the mode of the interface use the following command COMMAND conf show interface v c ifname Parameters v option provides various visual s...

Страница 40: ... Kbps conf cf1 Configuring Routing Only Mode conf interface s0 ip unnumbered conf show interface s0 Interface s0 status UP mtu 1500 ip address unnumbered Routing only mode encapsulation HDLC Keepalive 1 10 idle char FLAG RT speed 2320 2320 Kbps conf cf2 Configuring Routing and Bridging Mode conf interface s0 ip unnumbered conf interface s0 bridge enable conf show interface s0 Interface s0 status U...

Страница 41: ...re sets Related Commands interface ifname encap show interface The default encapsulation type is HDLC High Level Data Link Control which provides the synchronous framing and error detection functions of HDLC without windowing or retransmission You can define the encapsulation method by using the following command Note If the interface is not enabled this command is ignored First you must enable ro...

Страница 42: ...e is different from the other end the interface may be declare down Related Commands interface ifname keepalive show interface To set the keepalive timer for a specific interface use the keepalive command COMMAND conf interface ifname keepalive seconds count Parameters ifname interface name seconds number of seconds that defines the keepalive interval count number of keepalive intervals to declare...

Страница 43: ...ss that LAN interface is down for some reason e g RJ 45 connector is unplugged or connected device is power down However the remove device has only one IP address on LAN interface an administrator may not guess which is not working if it doesn t reply to the ping request Related Commands interface ifname forced up If you enter the following command the LAN interface is comes UP in spite of LAN lin...

Страница 44: ...onf interface ifname descr string Parameters ifname interface name string a user defined text string To verify your changes use the following command COMMAND conf show interface ifname Note If you omit the interface name all interfaces are listed Usage Examples conf int lan descr my customer s office conf show interface lan Interface lan status DOWN mtu 1500 description my customer s office ip add...

Страница 45: ...tic route to that network you first remove route or routes existing for the same network Default Gateway If no routes exist for the destination address of a packet the NR304G 4W forwards the packet to the default route If there is no default route the NR304G 4W drops packets for which it has no route To add a default gateway use the following command COMMAND conf ip route add default ifname gw met...

Страница 46: ...s been configured with unnumbered you should not enter this option metric a metric value for this route Usage Examples conf ip route add 210 10 10 0 255 255 255 0 s0 192 168 1 2 adds the path to 210 10 10 0 255 255 255 0 network is through the gateway at 192 168 1 2 on the s0 interface To remove a route use the following command COMMAND conf ip route del net mask ifname gw Usage Examples conf ip r...

Страница 47: ...plays all routes on the routing table conf show ip route a destination netmask gateway met ifname type default 168 126 188 254 1 lan static 127 0 0 1 255 255 255 255 127 0 0 1 0 local local 210 10 10 0 255 255 255 0 0 0 0 0 1 s0 static 210 10 11 0 255 255 255 0 192 168 10 2 1 s1 static 224 0 0 9 255 255 255 255 127 0 0 1 0 local local 168 126 255 255 255 255 255 255 127 0 0 1 0 local local 168 126...

Страница 48: ...seconds the router removes all routing table entries for the nonupdating router The metric that RIP uses to rate the value of different routes is hop count The hop count is the number of routers that can be traversed in a route A directly connected network has a metric of zero an unreachable network has a metric of 16 RIP1 version I does not support the subnet mask information whereas RIP2 version...

Страница 49: ...p2 txrip2 Sends and receives RIP 2 updates on the s0 interface conf rip disable s0 rxrip2 txrip2 Removes rxrip2 and txrip2 options from the s0 interface Note1 If the router has a default network path RIP sends a route that links the router to the pseudo network 0 0 0 0 The network 0 0 0 0 does not exist RIP treats 0 0 0 0 as a network to implement the default routing feature Although the router is...

Страница 50: ... Interfaces Displays RIP interfaces COMMAND conf show rip Usage Examples conf sh rip s0 txrip2 rxrip2 s1 disabled lan disabled conf Viewing the RIP updates Displays the routing table COMMAND conf show ip route Usage Examples conf sh ip route destination netmask gateway met ifname type 210 10 10 0 255 255 255 0 210 10 10 1 1 s0 rip 175 192 168 10 0 255 255 255 252 192 168 10 1 0 s1 connected 168 12...

Страница 51: ...ontains the ARP table for mapping between the IP address and MAC address The ARP table is dynamically configured and updated with the broadcast packets The arp command is available to set up a fixed mapping information for the IP and MAC addresses Related Commands arp add arp del show arp Adding a ARP entry COMMAND conf arp add net address mac address ifname Parameters net address host IP address ...

Страница 52: ...ND conf write config Displaying the configuration information You can also display the configuration stored in flash memory using the show config command This command prints out the contents of Flash memory which happens to be the configuration of the router at the time the user does a write config COMMAND conf show config The show config running command displays the configuration information curr...

Страница 53: ...e system hardware The following command is available to perform a software wise reboot of the system COMMAND conf reboot flash Note Before rebooting the system you must save current configuration to Flash memory Otherwise the system may lose the running configuration when rebooting the system The router configures the system based on the configuration values saved in Flash memory ...

Страница 54: ...ED NR304G 4W User s Manual NexComm Systems Inc 53 PAGE PART IV Configuring advanced Functions ŋ Configuring DHCP ŋ Configuring NAT ŋ Configuring IP Filter ŋ Load Balancing and Line Backup ŋ Link Multiplexing ...

Страница 55: ...tting the IP address Setting DHCP relay service To set up dhcp relay you have to set the following command COMMAND conf dhcp relay to server conf dhcp relay off Parameters server IP address of DHCP server Usage Examples conf dhcp relay to 168 126 188 30 To delete dhcp relay you have to set the following command COMMAND conf dhcp relay off Setting up a DHCP Server Step1 Setting the IP address pool ...

Страница 56: ... If the host Renews the address before it expires the NR304G 4W provides the same address You must set up this option to using a DHCP server COMMAND conf dhcp poolname lease seconds Parameters poolname name of the IP address pool seconds lease time set in the unit of second Step4 Setting domain name for the IP address Pool COMMAND conf dhcp poolname domain string Parameters poolname name of the IP...

Страница 57: ...dhcp add ip 210 210 123 251 45 210 123 251 56 255 255 255 192 creates the ip 210 IP address pool The rang of the pool is from 210 123 251 45 to 210 123 251 56 and subnet mask value is 255 255 255 192 conf dhcp ip 210 gw 210 123 251 62 setting up the gateway of the ip 210 pool conf dhcp ip 210 dns 168 126 63 1 setting up the dns server of the ip 210 pool conf dhcp ip 210 domain nexcomm co kr settin...

Страница 58: ... host receives packets from the remote network NR304G 4W automatically translates the official address on the remote network to the host s private address on the local network The IP address conversion can be performed in the following three ways 1 Static Mapping The NR304G 4W establish a one to one mapping between the private IP and public IP This translation is used when the connection to the in...

Страница 59: ...al network address of 192 168 1 1 and the public address of 168 126 188 100 To remove a static map use the following command Before you delete your NAT configuration you stop the NAT PAT translation and clear all entries in the translation table COMMAND conf nat no static local ip Setting up dynamic port Mapping Step1 Creating a global IP address pool You can to set up multiple pools but the overl...

Страница 60: ...translation and clear all entries in the translation table COMMAND conf nat no map portmap local startip local endip poolname To remove an IP address Pool use the following command You can delete a pool after you delete your maps COMMAND conf nat no pool poolname Activating translation to the specified interface Sets an outside interface The interface will be subject to translation COMMAND conf na...

Страница 61: ...rtmap 192 168 1 1 192 168 1 254 test2 establishes port mapping between local network addresses and the global address pool called test2 conf nat outside lan The packet sending and receiving through the LAN interface will be translate Management translation table Inbound access control with PAT translation By default all external attempts to access internal hosts are denied and you must configure s...

Страница 62: ... the fields of the lport and the gport Translation time out NAT has an internal translation table A translation table entry represents one TCP UDP ICMP connection Note a port mapping can generate many TCP and UDP connections A translation table entry is reused as long as traffic includes packets that match an entry All the entries for a connection are freed expire when the connection disconnects T...

Страница 63: ... Parameters all delete all entries global ip delete an entry corresponding to a particular IP address after conversion address global ip port delete an entry corresponding to a particular port of a particular IP address after conversion address Verifying the NAT entries Displays all entries in the translation table COMMAND conf show nat entry v Parameters v displays detail information for the entr...

Страница 64: ...pt all packets except the ones you explicitly drop Defining IP filter conditions You can define an IP filter and this filter examines source addresses destination addresses and IP protocol types TCP UDP ICMP and ports in any combination The IP filter can be defined individually for the inbound packets and outbound packets respectively and the IP filters examines packets in the filter s number proc...

Страница 65: ...pe the following command COMMAND conf show filter Applying a filter to a interface To control which packets will be allowed to cross the interface you specify the interface as follows COMMAND conf filter port ifname Parameters ifname Interface name A filter applied to the interface takes effect immediately Also if you change any of the filter conditions new or changed conditions are applied immedi...

Страница 66: ...t of telnet access port no 23 of source IP address 168 126 10 1 conf filter in 40 block tcp dst 168 126 11 1 32 23 Block the packet of telnet access port no 23 of IP address 168 126 11 1 conf filter in 50 pass src 0 0 0 0 0 dst 0 0 0 0 0 Admit all packets unsatisfied by the above conditions of the filter Unless these settings are made all packets which don t satisfy the above conditions will be bl...

Страница 67: ...y the use of a S W The MLPPP method provide the same functionality as IMUX or IMA There is no need for additional H W but it induces more loads to CPU Lastly the load balancing method makes a use of a S W just like the MLPPP method The difference between the two methods is that it regards each of the whole channels as an independent one This method distributes the load properly according to the in...

Страница 68: ... conf write config conf device s0 gshdsl rt conf device s1 gshdsl rt conf interface lan ip 10 0 2 1 255 255 255 0 conf interface s0 ip unnumbered conf interface s1 ip unnumbered conf ip route add 10 0 1 0 255 255 255 0 s0 conf ip route add 10 0 1 0 255 255 255 0 s1 conf write config Equal cost routes can usually be found by using the show ip route v command For example below is the output for show...

Страница 69: ...f ip route add default s1 conf write config Configuring Line Backup Redundancy route As can be seen above it is possible to set multiple routes When there are multiple paths to the same destination the path of the least cost is to be chosen The speed of the link and the value of the metric determine the cost of each path The cost of a link depends more on the metric rather than on the link speed A...

Страница 70: ...ace s0 ip unnumbered conf interface s1 ip unnumbered conf ip route add 10 0 1 0 255 255 255 0 s0 1 conf ip route add 10 0 1 0 255 255 255 0 s1 2 conf write config Until s0 link is fails all traffic is sent through the s0 link only When s0 link is fails traffic can be sent through the s1 link To verify the cost of each path use the show ip route v command Example NR304G 4W_1 conf sh ip route v dest...

Страница 71: ...nterface Note Performance issue A MXL interface containing 2 SHDSL ports set at 2320kbps each will be a theoretical throughput of 4640kbps The best performance can be obtained by making all the links in the MXL interface to have the same link rate If any link in the MXL interface has the different link rate with others you may have performance degradation Configuring a MXL interface The procedure ...

Страница 72: ...face command set the IP address of the MXL interface or enable bridging mode Note When the MXL interface is active ports that are bonded into the MXL interface will train Usage Examples conf interface mx0 bridge enable conf interface mx0 ip unnumbered To verify your changes use the show interface command COMMAND conf show interface mx0 cf Once the MXL interface is enabled you can not set bonded po...

Страница 73: ...he MXL interface is not active If the MXL interface is active you first remove the MXL interface STEP1 Using the show interface command verify whether the MXL interface is active And then if the MXL interface is active remove the MXL interface Usage Examples conf interface mx0 bridge disable This command removes Bridging mode from the mx0 interface conf interface mx0 delete This command removes Ro...

Страница 74: ...NEXPEED NR304G 4W User s Manual NexComm Systems Inc 73 PAGE Usage Examples conf device mx0 unbind all STEP3 Save your changes and reboot the system conf write config conf reboot flash ...

Страница 75: ...onf interface lan ip 10 0 1 1 255 255 255 0 conf interface mx0 ip unnumbered conf interface lan bridge enable conf interface mx0 bridge enable conf ip routing disable lan conf ip routing disable mx0 conf write config conf reboot flash conf device s0 gshdsl rt conf device s1 gshdsl rt conf device mx0 bind s0 conf device mx0 bind s1 conf interface lan ip 10 0 1 2 255 255 255 0 conf interface mx0 ip ...

Страница 76: ...NEXPEED NR304G 4W User s Manual NexComm Systems Inc 75 PAGE PART V System maintenance ŋ Accessing the router through Telnet ŋ Configuring SNMP ŋ Upgrading the System Software ...

Страница 77: ... command line interface to configure the router and perform status monitoring from any remote location The NR304G 4W supports both telnet client and telnet server Not only you can open a Telnet session to the router from any computer but also you can open a Telnet session to the workstation or other router on the same Ethernet network or remote network from the NR304G 4W Note1 To access the router...

Страница 78: ...ation updates Communication with the SNMP agent occurs over the LAN or WAN connection Any management application using SNMP over UDP IP has access to the local SNMP agent SNMP network management tools vary but often have features to display network maps of SNMP nodes poll nodes at intervals trigger alarms on thresholds graph or list node statistic counters view and edit individual MIB variables Co...

Страница 79: ... application has different community names for each access type read read write and trap Each community names are to be set individually on the management application but the router sets up only one community name of the specified manager Thus when you create a SNMP node on your network management application specify the same community name to all community names Setting an IP address for SNMP Tra...

Страница 80: ...11 10 10 1 as a SNMP manager using public community name This manager can read only for the MIB and receive the trap when the event generate to the unit such as link down system down and so on conf snmp add 211 10 10 1 public read trapon Step2 setting the address 211 10 10 130 for the source address of trap conf snmp authtrap on 211 10 10 130 Note The address is already used to your Ethernet or SH...

Страница 81: ...a binary file such as nr304g4w version bin 3 The TCP IP communication should be possible between the user s PC and the NR304G 4W router Note1 If you upgrade with the wrong file the unit will not function and you will have to return it for replacement Note2 If you don t have a firmware file BIN file you can download a file from NexComm Homepage http www nexcomm co kr or contact NexComm sales or tec...

Страница 82: ...ion of the new firmware using following command COMMAND conf show version System Software Release 3 9 1 Thu Jun 5 14 30 34 2003 running new version 3 9 0 Fri May 23 11 55 54 2003 saved old version STEP4 Save the downloaded new firmware to Flash memory 1 Save the downloaded image to Flash memory When a confirmation message appears in the screen press y The file not saved in Flash memory will be los...

Страница 83: ... running and place the Firmware file in your TFTP server s root directory 6 Enter the following command to the NR304G 4W router conf tftp 192 168 1 2 nr304g4w bin downloads nr304g4w bin into the router from a TFTP server s IP address of 192 168 1 2 conf write config save the current configuration to Flash memory conf reboot tftp reboots your router to load downloaded new firmware conf write tftp s...

Страница 84: ...ollowing command displays both the version of the firmware currently stored in Flash memory and the version of the firmware currently running in memory DRAM conf show version System Software Release 3 9 1 Thu Jun 5 14 30 34 2003 running new version 3 9 1 Thu Jun 5 14 30 34 2003 saved new version conf ...

Страница 85: ... User s Manual NexComm Systems Inc 84 PAGE PART VI Configuration Examples ŋ Bridging Configuration with 4 wire ŋ Routing Configuration with 4 wire ŋ Bridging Configuration with 2 wire ŋ Routing Configuration with 2 wire ...

Страница 86: ...any has two offices and it is a far cry from one office to the other office about 2km Network Diagram The SHDSL data rate is 4640kbps refer to the following IP address 1 The gateway router address and subnet mask 203 247 170 254 255 255 255 0 2 The NR304GH 4W 1 s LAN IP address and subnet mask 203 247 170 253 255 255 255 0 3 The NR304GH 4W 2 s LAN IP address and subnet mask 203 247 170 252 255 255...

Страница 87: ...nges to the configuration mode prompt conf Configuration changes can be made only in configuration mode NR304G 4W enable password NR304G 4W conf Restoring the factory default settings and then log in the router again NR304G 4W conf write config default WARNING this will overwrite the current setting Confirm y n enter y NR304G 4W conf reboot flash Set the device type side and a line rate of each SH...

Страница 88: ...on mode The default password is a small letter password The prompt changes to the configuration mode prompt conf Configuration changes can be made only in configuration mode NR304G 4W enable passowrd NR304G 4W conf Restoring the factory default settings and then log in the router again NR304G 4W conf write config default WARNING this will overwrite the current setting Confirm y n enter y NR304G 4W...

Страница 89: ...u divide the network in two and use subnet mask of 255 255 255 128 to do this Network Diagram The SHDSL data rate is 4640kbps refer to the following IP address 1 The gateway router address and subnet mask 203 247 170 126 255 255 255 128 2 The NR304GH 4W 1 s LAN IP address and subnet mask 203 247 170 125 255 255 255 128 Note The NR304GH 4W 1 s local area network 203 127 170 0 255 255 255 128 3 The ...

Страница 90: ...uration changes can be made only in configuration mode NR304G 4W enable passowrd NR304G 4W conf Restoring the factory default settings and then log in the router again NR304G 4W conf write config default WARNING this will overwrite the current setting Confirm y n enter y NR304G 4W conf reboot flash Remove Bridging mode from each interface NR304G 4W conf interface lan bridge disable NR304G 4W conf ...

Страница 91: ...ssword is a small letter password If you log in the router the login prompt NR304G 4W appears Enter enable command and the password to enter configuration mode The default password is a small letter password The prompt changes to the configuration mode prompt conf Configuration changes can be made only in configuration mode NR304G 4W enable password NR304G 4W conf Restoring the factory default set...

Страница 92: ...he IP unnumbered to the MXL interface NR304G 4W conf interface mx0 ip unnumbered Set the default gateway NR304G 4W conf ip route add default mx0 Save the current configuration to Flash memory NR304G 4W conf write config Reboot your system NR304G 4W conf reboot flash ...

Страница 93: ...transport and all of the users connected to the modem are in the same network Configure the public IP address and default gateway of NR304G 4W so that the management can be possible The IP address of each DSL port is unnumbered and set the data rate as 2320kbps in the fixed mode Also the encapsulation of all ports is hdlc by default Note Configure the gateway of the PC connected with each NR304GH ...

Страница 94: ...rompt conf Configuration changes can be made only in configuration mode NR304G 4W enable password NR304G 4W conf Restoring the factory default settings and then log in the router again NR304G 4W conf write config default WARNING this will overwrite the current setting Confirm y n enter y NR304G 4W conf reboot flash Remove Bridging mode from each interface NR304G 4W conf interface lan bridge disabl...

Страница 95: ...ode from the LAN interface NR304G 4W conf ip routing disable lan Set the default gateway for management NR304G 4W conf ip route add default lan 203 210 10 1 Save the current configuration to Flash memory NR304G 4W conf write config Reboot your system NR304G 4W conf reboot flash ...

Страница 96: ...gateway Router is 203 210 10 1 Network A 210 16 1 0 255 255 255 128 Network B 210 16 1 128 255 255 255 128 Network Diagram The IP address of each SHDSL port is unnumbered and set the rate as 2320Kbps in the fixed mode And then encapsulation of all ports is hdlc by default Note Configuring Static route at the router IP 203 210 10 1 Network 210 16 1 0 255 255 255 0 Gateway 203 210 10 2 p uyZW no uyZ...

Страница 97: ...he configuration mode prompt conf Configuration changes can be made only in configuration mode NR304G 4W enable password NR304G 4W conf Restoring the factory default settings and then log in the router again NR304G 4W conf write config default WARNING this will overwrite the current setting Confirm y n enter y NR304G 4W conf reboot flash Remove Bridging mode from each interface NR304G 4W conf inte...

Страница 98: ...efault lan 203 210 10 1 Configure the static routes of your remote networks NR304G 4W conf ip route add 210 16 1 0 255 255 255 128 s0 NR304G 4W conf ip route add 210 16 1 128 255 255 255 128 s1 Save the current configuration to Flash memory NR304G 4W conf write config Reboot your system NR304G 4W conf reboot flash ...

Страница 99: ...NEXPEED NR304G 4W User s Manual NexComm Systems Inc 98 PAGE Appendix ŋ Connector Pin outs ...

Страница 100: ...tion 1 RXD TXD Input Output 2 RXD TXD Input Output 3 TXD RXD Input Output 6 TXD RXD Input Output A 2 Console Port The console port is a management port The connector is a RJ 45 Use the RJ 45 to DB 9 female adapter to connect the console port to a PC running terminal emulation software Table A 2 1 lists the pin outs for the serial console port and table A 2 2 shows the cabling using a DB 9 Adapter ...

Страница 101: ...or labeled LINE The NR304G 4W enables transmission of two SHDSL links on the same physical cable Table A 3 lists the pin outs for the RJ 45 connector labeled LINE Table A 3 SHDSL Port RJ 45 Pin outs Link PIN Signal Description 1 Tip Transmit data and Receive data SYNC1 s0 2 Ring Transmit data and Receive data 4 Tip Transmit data and Receive data SYNC2 s1 5 Ring Transmit data and Receive data yqT X...

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