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NEXPEED NBG440 User’s Manual

NexComm Systems, Inc. 106 PAGE

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Содержание NEXPEED NBG440

Страница 1: ...X XP PE EE ED D N NB BG G4 44 40 0 S SH HD DS SL L B Br ri id dg ge e 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: ...edium 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 April 29 2004 This document may be subject to change for correction and upgrade Contact NexComm Systems Co Inc C 501 Bundang Techno Park 145 Yatap Dong Bundang Ku Sungnam City Kyunggi Do 463 760 Korea Tel 8...

Страница 3: ...and Connectors 13 PART III Configuring the Router 16 Reviewing the Factory Default configuration 17 Accessing the Console 18 User Mode 19 Configuring SHDSL Port 21 Operation Mode of the Interface 27 Configuring IP Routing and IP Address 30 Configuring Bridging 35 Configuring Multiplexed Link 39 Configuring Link Encapsulation and Keepalive 45 Configuring Static IP Routes 47 Configuring the ARP Tabl...

Страница 4: ... NAT 80 Configuring RIP 87 Load Balancing and Line Backup 90 PART V System maintenance 94 Accessing the router through Telnet 95 Configuring SNMP 96 Upgrading the System Software 99 Setting the Host name Date and Time 103 PART VI Configuration Examples 107 Example1 Bridging Configuration in 4 wire mode 108 Example2 Routing Configuration in 4 wire mode 111 Example3 Bridging Configuration in 2 wire ...

Страница 5: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 4 PAGE PART I NEXPEED NBG440 Introduction Overview and Features Specification Product Appearance ...

Страница 6: ...he campus ensures a highly secure and reliable network By utilizing the Ethernet based QoS capabilities the campus can take advantage of voice and video applications This application requires no new infrastructure and results in a low cost plug and play solution with low management overhead Features SHDSL is a technology based on the G SHDSL G 991 2 standard NBG440 supports a packet based network ...

Страница 7: ...dress translation Functionality of Load Balancing and line back up Offers DHCP Relay and DHCP Server functionality Supports Proxy ARP function Offers various methods of filtering function for IP packets Supports a SNTP Simple Network Time Protocol client Can be configured either by serial console or Telnet S W HTTP server enables WEB based management Supports SNMP MIB1 and MIB2 and monitoring thro...

Страница 8: ...re mode 200Kbps 2320Kbps 64kbps step 4 wire mode 384Kbps 4608Kbps 128kbps step LAN 10 100Mbps auto negotiation Power External Adapter 5V 2A Dimensions 238mm W x 182mm D x 47mm H Software Specifications Ethernet TCP IP SHDSL HDLC ETHDLC PPP PAP CHAP Frame Relay Bridging Address Learning 1024 Address support Routing Static RIP1 RIP2 Management Command Line Interface TELNET SNMP MIB I MIB II Web base...

Страница 9: ...ses 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: ...d to the router LINE 4W Solid green Solid orange When the SHDSL is 2 wire mode the color is green When the SHDSL is 4 wire mode the color is orange LINE S0 S1 Off Solid green Flashing green On when the line is trained and the serial protocol is up S0 Sync status for LINE1 4th and 5th S1 Sync status for LINE2 1st and 2nd Blinks when the line is connected properly and the synchronization process is ...

Страница 11: ...onnect 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 DB 9 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 S0 S1 You can connect 2 wires or 4 wires to the LINE port S0...

Страница 12: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 11 PAGE PART II Installing the Router Physical Environments Checking in the Box Connecting Cables and Connectors ...

Страница 13: ...f NEXPEED NBG440 Router Power cable and a AC DC adapter UTP cable with RJ 45 for LAN connection Console cable DB9 to DB9 connector Telco cable with RJ 45 connector for SHDSL connections The box in which you received the NEXPEED NBG440 product should contain the following components Please be sure to check if the following items are found in the box Table 2 1 List of Items in the Box COMPONENT Qty ...

Страница 14: ...f the unit 5 Confirm if the LED named PWR 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 oth...

Страница 15: ...Note Among the front panel LEDs the LED named S0 and S1 will be turned on when the router is ready for a normal communication Connecting Console Port You can change the setting in the console to modify the functionality of the NBG440 unit 1 Check if there is a console cable in the purchased product box 2 Connect the DB9 male connector to the port named CONSOLE in the back of the NBG440 unit 3 Conn...

Страница 16: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 15 PAGE Table 2 2 Console software parameters PARAMETER VALUE Bits per Second 9600 Data Bits 8 Parity N Stop Bit 1 Flow Control None Terminal Type VT100 ...

Страница 17: ...ion Accessing the Console User Mode Configuring SHDSL Port Operation Mode of the Interface Configuring IP Routing and IPAddress Configuring Bridging Configuring Multiplexed Link Configuring Link Encapsulation and Keepalive Configuring Static IP Routes Configuring the ARP Table Saving the Configuration Rebooting the system ...

Страница 18: ...boot status system configuration checksum OK 3 9 2f Wed Apr 7 18 06 46 2004 running 3 9 2f Wed Apr 7 18 06 46 2004 saved system id 00 d0 84 01 08 b2 stty 9600 hostname NBG440 device s0 gshdsl rt 4wire device s0 annex a gshdslset margin 6 s0 device s1 gshdsl rt 4wire device s1 annex a gshdslset margin 6 s1 interface s0 bridge enable interface s0 delete interface s0 encap ethdlc interface lan bridge...

Страница 19: ...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 NBG440 router has been configured with an IP addres...

Страница 20: ...mode enter the Exit command at the prompt NBG440 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 Lo...

Страница 21: ...ing a password for Login Mode COMMAND conf passwd Usage Examples NBG440 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 NBG440 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 con...

Страница 22: ...requirements The default is Annex A COMMAND conf device ifname annex a b Usage Examples conf device s0 annex b sets annex type B for standard Verifying your change COMMAND conf show device Configuring Unit Type Wire Mode and Line Rate Unit Type The SHDSL port operates as the Central Office CO or the Customer Premises Equipment CPE The default type is CPE RT 2 wire mode and 4 wire mode The NBG440 s...

Страница 23: ... If the line cannot train at the selected rate the line trains at the next best rate The line rate is negotiated the highest achievable data rate given the loop conditions This mode automatically trains for an optimal line rate by negotiating with the far end equipment Line rate The SHDSL port supports multiple line rate and rate adaptive capability 2 wire mode supports speeds from 200 kbps to 232...

Страница 24: ...rate 2320 kbps to the s0 port conf dev s0 gshdsl co auto 2056 Sets 2 wire mode COE and the rate adaptive maximum bit rate is 2056 kbps mode to the s0 port conf dev s0 gshdsl co 4wire 4608 Sets 4 wire mode COE and fixed rate 4608 kbps to the s0 port conf dev s0 gshdsl rt Sets 2 wire mode and CPE to the s0 port conf dev s0 gshdsl rt 4wire Sets 4 wire mode and CPE to the s0 port Viewing the device co...

Страница 25: ...oring the SHDSL port Use the gshdslset command to display the status of a G SHDSL physical port on the router COMMAND conf gshdslset Usage Examples conf gs G SHDSL R2 0 A 233 1 21 Device Driver 16 53 02 27 2004 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 status sync sync SYNC Status none sync r...

Страница 26: ...n the configured 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 ifname Usage Examples conf gs margin 3 s0 Note1 If you change the startup SNR margin after the line has been trained drop the line and attempt to retrain Because your change is...

Страница 27: ...e 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 By default the power backoff is enabled To enable or disable power backoff use the following command COMMAND conf gshdslset backoff enable ifname ...

Страница 28: ...s 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 net...

Страница 29: ...tocols Interface 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 ...

Страница 30: ...ve 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 Viewing the operation mode of each interfaces To verify the interface mode use the show interface command COMMAND conf show interface ifname ...

Страница 31: ...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 subne...

Страница 32: ... 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 of ...

Страница 33: ...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 inter...

Страница 34: ...N 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 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 Mbps half duplex conf conf show interface v lan Interface lan status UP mtu 1500 ip ad...

Страница 35: ... 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 168 126 188 130 255 255 255 0 ip address 172 16 10 1 255 255 ...

Страница 36: ...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 interface a...

Страница 37: ...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 ifname...

Страница 38: ...ction COMMAND conf show bridge map As to forward bridged packets to the right network destination the NBG440 router 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 if...

Страница 39: ...ing Only Mode conf interface s0 bridge disable conf interface s0 ip unnumbered conf show interface s0 Interface s0 status UP mtu 1500 ip address unnumbered Routing only mode encapsulation ETHDLC ether 00 d0 84 01 08 b2 keepalive 2 5 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 interfa...

Страница 40: ...in an MXL interface 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 Attention1 Port binding can be ...

Страница 41: ...e the MXL interface Do as the following steps Step1 Verify whether interfaces that you join to mx0 is disabled If the MXL interface is enabled you should disable the MXL interface too Step2 Bind a port to the MXL interface Step3 Enable the MXL interface as the bridging mode or the routing mode Removing the MXL interface Do as the following steps Step1 Remove the bridging mode and the routing mode ...

Страница 42: ...ort to the MXL interface Use the following command to remove a port from the MXL interface And then they work as the individual port COMMAND conf device mx0 unbind all ifname Parameters all all of the ports ifname port name Usage Examples conf device mx0 unbind all All ports bounded to mx0 is unbounded Verifying the interface To verify whether the interface is disabled use the following command CO...

Страница 43: ...g mode from that interface using the following commands To remove the routing mode from the interface use the following command COMMAND conf interface ifname bridge disable To remove the bridging mode from the interface use the following command COMMAND conf interface ifname delete To enable the interface set the IP address or enable the bridging mode to that interface using the following commands...

Страница 44: ...erface s0 bridge disable conf interface s1 bridge disable conf show interface Interface s0 disabled Interface s1 disabled Interface lan status UP mtu 1500 ip address unnumbered Bridging only mode ether 00 d0 84 01 08 b2 speed 10 Mbps half duplex conf Step2 Using the device command set the data rates at which you want each of the ports Set NBG440 1 as COE For best performance configure the fixed ra...

Страница 45: ... interface as the bridging only mode conf interface mx0 bridge enable conf show int Interface s0 disabled Interface s1 disabled Interface lan status UP mtu 1500 ip address unnumbered Bridging only mode ether 00 d0 84 01 08 b2 speed 10 Mbps half duplex Interface mx0 status DOWN mtu 1500 ip address unnumbered Bridging only mode encapsulation ETHDLC ether 00 d0 84 01 08 b2 keepalive 2 5 total speed 0...

Страница 46: ...th base level layers 1 and 2 and Net to Net technologies s innovative feature sets Related Commands interface ifname encap show interface The default encapsulation type is the ETHDLC encapsulation 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 routing or bridging on the interface COMMAND conf...

Страница 47: ...s 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 do...

Страница 48: ... 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 NBG440 router forwards the packet to the default route If there is no default route the NBG440 router drops packets for which it has no route To add a default gateway use the following command COMMAND conf ip route add default ifname g...

Страница 49: ... 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 ro...

Страница 50: ...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 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 168 126 188 255 255 255 255 255 168 126 188 130 0 local lo...

Страница 51: ...tains 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 ma...

Страница 52: ...D 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 curre...

Страница 53: ...ystem 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: ...RT IV Configuring advanced Functions Configuring descriptions for the interface Configuring IEEE 802 1P Q Tagged VLAN Configuring VLAN for the built in switch Configuring DHCP Configuring IP Filter Configuring NAT Configuring RIP Load Balancing and Line Backup ...

Страница 55: ...ng 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 address 192 168 1 1 255 255 255 0 ...

Страница 56: ...ast containment and accounting Tag based VLANs 802 1Q It is to transmit and receive packets with tag into Ethernet frame header Tagging is a process that inserts a tag into the Ethernet frame The tag contains the identification number of a specific VLAN called the VLANid and the priority bits 802 1p VLANid is set to any value from 0 to 4095 and especially 0 1 and 4095 are reserved for particular u...

Страница 57: ... SHDSL interfaces with ethdlc encapsulation Note2 The use of tagged frames may lead to the appearance of frames slightly bigger than the current Ethernet maximum of 1518bytes This may lead to connectivity problems if non 802 1Q bridges routers or hosts Enabling Disabling VLANs The default for the IEEE 802 1Q tag based VLAN is disable To enable the VLAN use the following command COMMAND conf qvlan ...

Страница 58: ...AN and adds one or more ports to the VLAN You can create up to 255 VLANs at any time A port can belong to one or more VLANs By default it is only a single VLAN for all ports and this VLAN is called the default The default VLAN cannot be renamed or deleted To add a VLAN and a port to the VLAN use the following command COMMAND conf qvlan add vid ifname ifname Parameters vid A VLANid Valid parameter ...

Страница 59: ...A trunk port can receive tagged and untagged frame A trunk port should use tagged frame formats for outgoing frames and carries the traffic of multiple VLANs over a single link An access port can receive only untagged frame If an access port receives a tagged frame the frame is dropped and the source address is not learned An access port should use untagged frame formats for outgoing frames Frames...

Страница 60: ...Usage Examples conf qvlan pvid 100 3 s0 VLAN translation You can translate one VLANid to another VLANid which transfers all traffic received in one VLANid to the other VLANid Also you can reconfigure the 802 1p priority filed that is placed in the 802 1Q tag To create a VLAN translation mapping use the following command COMMAND conf qvlan map ingress vid vid priority ifname ifname Parameters ingre...

Страница 61: ...characters VLAN names are locally significant You cannot change the name of the default VLAN To rename an existing VLAN use the following command COMMAND conf qvlan name vid string Parameters vid A VLANid Valid parameter range is from 2 to 4094 string Characters defined by user Usage Examples conf qvlan name 365 pipe between HQ and branch Verifying VLAN Settings To display VLAN settings use the fo...

Страница 62: ...configured as a bridge The LAN and S0 must be configured as the bridging only mode And the LAN interface should be configured with an IP address for management You should set the ethdlc encapsulation to the S0 interface Configuring an IP address used for management NBG440_RT conf int lan ip 10 0 0 10 255 255 255 0 NBG440_RT conf ip routing disable lan NBG440_RT conf show int lan Interface lan stat...

Страница 63: ...use the following command NBG440_RT conf qvlan disable NBG440_RT conf qvlan default WARNING this will overwrite the current VLAN setting Confirm y n Press y loading default VLAN configuration NBG440_RT conf NBG440_RT conf show qvlan VLAN and QoS 802 1q 802 1p disabled port pvid pri trunk mapping info local 1 1 no s0 1 1 no s1 1 1 no lan 1 1 no mx0 1 1 no vid name ports 1 default local s0 s1 lan mx...

Страница 64: ...5 Set the lan and s0 as the trunk port NBG440_RT conf qvlan trunk enable lan s0 Step6 Enable VLAN feature NBG440_RT conf qvlan enable Step7 Save your changes NBG440_RT conf write config Step8 Verifying your VLAN configuration NBG440_RT conf show qvlan VLAN and QoS 802 1q 802 1p enabled port pvid pri trunk mapping info local 2047 1 no s0 1 1 yes s1 1 1 no lan 1 1 yes mx0 1 1 no vid name ports 1 def...

Страница 65: ...NBG440_RT conf VLAN Configuration for NBG440 CO Step1 Configuring VLAN as the default configuration To configure the default configuration use the following command NBG440_CO conf qvlan disable NBG440_CO conf qvlan default WARNING this will overwrite the current VLAN setting Confirm y n Press y loading default VLAN configuration NBG440_CO conf NBG440_CO conf show qvlan VLAN and QoS 802 1q 802 1p d...

Страница 66: ...conf qvlan add 110 lan s0 NBG440_CO conf qvlan add 120 lan s0 Step4 Remove the lan an s0 from the default vlan NBG440_CO conf qvlan del 1 lan s0 Step5 Set the lan and s0 as the trunk port NBG440_CO conf qvlan trunk enable lan s0 Step6 Enable VLAN feature NBG440_CO conf qvlan enable Step7 Save your changes NBG440_CO conf write config Step8 Verifying your VLAN configuration NBG440_CO conf sh qv VLAN...

Страница 67: ...n 0100 s0 lan 110 vlan 0110 s0 lan 120 vlan 0120 s0 lan 2047 vlan 2047 local s0 lan NBG440_CO conf NBG440_CO conf sh bridge map Station Identifier port ttl 2047 00 d0 84 01 1d 56 s0 80 2047 00 d0 84 01 1d 57 local permanent 2047 00 e0 4c ed 08 5d lan 80 100 00 d0 84 00 ff 99 lan 110 100 00 d0 84 00 ff ee s0 110 NBG440_CO conf ...

Страница 68: ...h are very useful features to provide customers with differentiated services VLAN feature includes tag insertion or removal action on the egress port Each port of the switch has two priority queues one is high priority queue the other is low priority queue Each frame is classified as a high or low priority according to the policy that is configured by user The inbound port examines the priority fi...

Страница 69: ... p4 lan conf Enabling Disabling VLANs The default for the IEEE 802 1Q tag based VLAN is disable To enable the VLAN use the following command COMMAND conf ethsw tagvlan enable To disable the VLAN use the following command COMMAND conf ethsw tagvlan disable Adding a VLAN This command create a VLAN and adds one or more ports to the VLAN You can create up to 16 VLANs at any time A port can belong to o...

Страница 70: ...o trunk or access for egress port As traffic from an interface is forwarded out of the unit it determines if the destination port requires the frames to be tagged or untagged A trunk port should use tagged frame formats for outgoing frames and carries the traffic of multiple VLANs over a single link But if a packet has a VLANid that is the same as the outgoing port PVID the packet is sent untagged...

Страница 71: ...nge is from 2 to 4094 priority A priority The value is an integer between 0 and 7 port Port name Usage Examples conf ethsw pvid 10 1 p1 Traffic Control Rate limit is a method of traffic control The port classifies traffic into high priority and low priority traffic High priority traffic has higher priority than low priority traffic You can rate limit the high priority and low priority traffic The ...

Страница 72: ... default configuration of the VLAN configuration for ethernet switch Step1 Configuring a PVID for the p3 port NBG440_RT conf ethsw pvid 120 1 p3 Step2 Configuring 3 VLANs NBG440_RT conf ethsw add 100 p1 lan NBG440_RT conf ethsw add 110 p2 lan NBG440_RT conf ethsw add 120 p3 lan Step3 Remove ports p1 p2 p3 and lan from the default VLAN NBG440_RT conf ethsw del 1 p1 p2 p3 lan Step4 Set the p1 p2 and...

Страница 73: ...our VLAN configuration NBG440_RT conf sh ethsw Ethernet Switch VLAN 802 1q enabled port pvid pri trunk QoS info p1 1 1 yes high unlimited low unlimited p2 1 1 yes high unlimited low unlimited p3 120 1 no high unlimited low unlimited p4 1 1 no high unlimited low unlimited lan 1 1 yes high unlimited low unlimited index vid ports 0 100 p1 lan 1 110 p2 lan 2 120 p3 lan 15 1 p4 NBG440_RT conf ...

Страница 74: ...he 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 To assi...

Страница 75: ...the host Renews the address before it expires the NBG440 router 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 76: ...cp 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 setting ...

Страница 77: ...ones you explicitly allow or forward accept 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 exa...

Страница 78: ...th the pass filter will be blocked Therefore the pass filter requires an additional filter that can take care of those packets that are not under the control of the pass filter Viewing the filters To display the filters type the following command COMMAND conf show filter Enabling IP filtering You can enable IP filtering at layer 2 or layer 3 If you configure the NBG440 as a bridge enable at layer ...

Страница 79: ...d by the following conditions Method 1 The following filter is condition for outgoing packets to the local interface conf filter out 10 pass tcp src 10 0 1 20 32 dst 10 0 1 1 32 23 local conf filter out 20 block tcp dst 10 0 1 1 32 23 local conf filter out 100 pass local conf filter enable layer 2 conf show filter filter is applied at layer 2 bridging if fid flag source address block destination a...

Страница 80: ...ter enable layer 2 conf show filter filter is applied at layer 2 bridging if fid flag source address block destination address block s0 I 10 tcp X 10 0 1 1 32 23 lan I 10 tcp O 10 0 1 20 32 10 0 1 1 32 23 lan I 20 tcp X 10 0 1 1 32 23 lan I 100 O conf Configuration example2 conf filter in 10 block src 10 0 1 100 32 dst 10 0 1 20 32 s0 conf filter in 20 block src 10 0 1 200 32 dst 10 0 1 10 32 s0 c...

Страница 81: ...to an official address on the remote network When the local host receives packets from the remote network NBG440 automatically translates the official address on the remote network to the host s private address on the local network The router supports classic NAT one NAT IP address assigned to one local IP address and PAT one single NAT IP address assigned to many local IP addresses Note1 To opera...

Страница 82: ...bal startip first global IP address global endip last global IP address poolname name of the IP address pool to be mapped Step3 Enable NAT Set up the outside interface that will be subject to translation COMMAND conf nat outside ifname Parameters ifname Interface name Removing PAT configuration Step1 Disable NAT The router stops the NAT translation COMMAND conf nat no outside ifname Parameters ifn...

Страница 83: ...eters 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 Configuration Example1 conf nat pool test 168 126 188 254 168 126 188 254 adds the global IP address pool called test The global IP address is 168 126 188 254 co...

Страница 84: ...outbound PAT address gport Specify a port number for the outbound PAT address Usage Examples conf nat entry 192 168 1 1 23 168 126 188 254 23 allows inbound TELNET access for a internal host 192 168 1 1 Note1 The global IP address must belong to the global IP address pool And to operate your static entry you first configure PAT translation Note2 If the port service is ICMP ping enter string ping o...

Страница 85: ...private LAN globally visible and give them the ability to remap these IP addresses are well You can set up static mapping or dynamic mapping between local IP addresses and global IP addresses Also you can set up both two maps Configuring static mapping This translation is used when the connection to the internal network is attempted from the outside It is often used for the server IP address appli...

Страница 86: ...l startip local endip poolname Parameters global startip first global IP address global endip last global IP address poolname name of the IP address pool to be mapped Step3 Enable NAT Set up the outside interface that will be subject to translation COMMAND conf nat outside ifname Parameters ifname Interface name Removing classic NAT configuration Step1 Disable NAT The router stops the NAT translat...

Страница 87: ...f nat clear all global ip Parameters all delete all entries global ip delete an entry corresponding to a particular IP address after conversion address Configuration Example2 conf nat static 192 168 1 1 168 126 188 100 192 168 1 1 are mapped to 168 126 188 100 conf nat pool test 168 126 188 101 168 126 188 110 adds the global IP address pool called test The range of the pool is from 168 126 188 10...

Страница 88: ...onds 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 II...

Страница 89: ...rip2 sends and receives RIP 2 updates on the s0 interface conf rip enable s0 rxdefault The local router receives the remote site s default IP route 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 set ...

Страница 90: ...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 168 126...

Страница 91: ... 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 induced...

Страница 92: ...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 93: ...onf 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...

Страница 94: ...ce 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 NBG440_1 conf sh ip route v destinat...

Страница 95: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 94 PAGE PART V System maintenance Accessing the router through Telnet Configuring SNMP Upgrading the System Software Setting the Host name Date and Time ...

Страница 96: ...ine interface to configure the router and perform status monitoring from any remote location The NBG440 router 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 NBG440 router Note1 To access the router u...

Страница 97: ...ommunication 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 Configuring SNMP ...

Страница 98: ...pplication 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 Trap ...

Страница 99: ...anager 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 SHDSL interface And you ...

Страница 100: ...ry file such as nbg440 version bin 3 The TCP IP communication should be possible between the user s PC and the NBG440 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 technical supp...

Страница 101: ...n of the new firmware using following command COMMAND conf show version System Software Release 3 9 2f Wed Apr 7 18 06 46 2004 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 lost...

Страница 102: ...window is running on your PC and execute ping command C ping 192 168 1 1 Verify whether it receives a response 5 Make sure the TFTP server is running and place the Firmware file in your TFTP server s root directory 6 Enter the following command to the NBG440 router conf tftp 192 168 1 2 nbg440 bin connecting 192 168 1 2 connected target image address 0xf80000 356007 bytes received tftp nbg440 bin ...

Страница 103: ...t 0xf80000 image end 0xfd6ea7 image size 356007 0x56ea7 bytes Confirm y n Press y writing boot image verify OK conf The following 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 2f Wed Apr 7 18 06 46 2004 running new version 3 9 2f Wed Apr 7 18 06 46 200...

Страница 104: ...nf hostname hostname Usage Examples NBG440 conf hostname NEXCOMM NEXCOMM conf Setting Date and Time Manually Note NBG440 don t have the RTC real time clock chip So the router don t keep the time of day when it is powered off To display the system date and time displayed in the format shown time in 24 hour format use the following command COMMAND conf show date Usage Examples conf show date 0 day s...

Страница 105: ...s how frequently time inquiry should be sent to NTP time server Unicast A client sends a request to a designated time server at its unicast address and receives a response from which it determines the time COMMAND conf sntp unicast server ip interval local ip Parameters server ip Specifies an IP address of the time server interval Specifies the receive and poll intervals in seconds local ip Specif...

Страница 106: ...ur later than GMT so you should set it to 8 Removing SNTP client To disable and clear the SNTP function use the following command COMMAND conf sntp off Viewing SNTP status You can verify that the clock is synchronized to the NTP server To show the status of Network Time Protocol NTP associations use the following command COMMAND conf show sntp UTC Time Conversion Below is a table showing the numbe...

Страница 107: ...nch Winter MET Middle European MEWT Middle European Winter SWT Swedish Winter 1 hour 1 pm EET Eastern European USSR Zone 1 2 hours 2 pm BT Baghdad USSR Zone 2 3 hours 3 pm ZP4 USSR Zone 3 4 hours 4 pm ZP5 USSR Zone 4 5 hours 5 pm ZP6 USSR Zone 5 6 hours 6 pm WAST West Australian Standard 7 hours 7 pm CCT China Coast USSR Zone 7 8 hours 8 pm JST Japan Standard USSR Zone 8 9 hours 9 pm EAST East Aus...

Страница 108: ...anual NexComm Systems Inc 107 PAGE PART VI Configuration Examples Bridging Configuration in 4 wire mode Routing Configuration in 4 wire mode Bridging Configuration in 2 wire mode Bridging Configuration using the MX0 interface ...

Страница 109: ...o offices and it is a far cry from one office to the other office about 2km Total data rate for SHDSL is 4608kbps in 4 wire mode Set the ethdlc encapsulation for the s0 interface by default The gateway router IP address and subnet mask 203 247 170 1 255 255 255 0 NBG440 CO s LAN IP address and subnet mask 203 247 170 2 255 255 255 0 NBG440 RT s LAN IP address and subnet mask 203 247 170 129 255 25...

Страница 110: ...rompt conf Configuration changes can be made only in configuration mode NBG440 enable password NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will overwrite the current setting Confirm y n enter y NBG440 conf reboot flash Set the device type side and a line rate of the s0 port NBG440 conf device s0 gshdsl co 4wire 4...

Страница 111: ...rd The prompt changes to the configuration mode prompt conf Configuration changes can be made only in configuration mode NBG440 enable passowrd NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will overwrite the current setting Confirm y n enter y NBG440 conf reboot flash Set the IP address of the LAN interface for ma...

Страница 112: ...ncapsulation for the s0 interface The gateway router IP address and subnet mask 203 247 170 1 255 255 255 224 NBG440 CO s LAN IP address and subnet mask 203 247 170 2 255 255 255 224 NBG440 RT s LAN IP address and subnet mask 210 16 1 1 255 255 255 128 Note Additionally you must add the path for the following network to the gateway router Network 210 16 1 0 255 255 255 128 Gateway 203 247 170 2 In...

Страница 113: ...es can be made only in configuration mode NBG440 enable password NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will overwrite the current setting Confirm y n enter y NBG440 conf reboot flash Disable all interfaces Remove Bridging mode from each interface NBG440 conf interface s0 bridge disable NBG440 conf interface...

Страница 114: ...0 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 NBG440 enable password NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will ...

Страница 115: ...ser s Manual NexComm Systems Inc 114 PAGE Set the default gateway NBG440 conf ip route add default s0 Save the current configuration to Flash memory NBG440 conf write config Reboot your system NBG440 conf reboot flash ...

Страница 116: ...ll configure local area network LAN with this addresses Use the rate adaptive mode for data rate in 2 wire mode Set the ethdlc encapsulation for the s0 and s1 interface by default The gateway router IP address and subnet mask 203 247 170 1 255 255 255 0 NBG440 CO s LAN IP address and subnet mask 203 247 170 2 255 255 255 0 Note Configure the gateway of the PCs that are connected with each NBG420 a...

Страница 117: ...hanges can be made only in configuration mode NBG440 enable password NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will overwrite the current setting Confirm y n enter y NBG440 conf reboot flash Set the device type side and a line rate of each SHDSL port NBG440 conf device s0 gshdsl co auto 2320 NBG440 conf device ...

Страница 118: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 117 PAGE Save the current configuration to Flash memory NBG440 conf write config Reboot your system NBG440 conf reboot flash ...

Страница 119: ...AN with this addresses But a company has two offices and it is a far cry from one office to the other office about 2km Total data rate for SHDSL is 4640kbps Set the ethdlc encapsulation for the mx0 interface by default The gateway router IP address and subnet mask 203 247 170 1 255 255 255 0 NBG440 CO s LAN IP address and subnet mask 203 247 170 2 255 255 255 0 NBG440 RT s LAN IP address and subne...

Страница 120: ...Configuration changes can be made only in configuration mode NBG440 enable password NBG440 conf Restoring the factory default settings and then log in the router again NBG440 conf write config default WARNING this will overwrite the current setting Confirm y n enter y NBG440 conf reboot flash Disable the s0 interface Remove Bridging mode from the s0 interface NBG440 conf interface s0 bridge disabl...

Страница 121: ...s No parity 8 data bits 1 stop bit NO flow control VT100 terminal emulation Power on the router and enter the password to log in the router The default password is a small letter password If you log in the router the login prompt NBG440 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 m...

Страница 122: ...nterface mx0 bridge enable Set the IP address of the LAN interface for management And remove Routing mode from LAN interface If you don t configure an IP address skip this step NBG440 conf interface lan ip 203 247 170 129 255 255 255 0 NBG440 conf ip routing disable lan Set the default gateway for remote management If you don t configure the default gateway skip this step NBG440 conf ip route add ...

Страница 123: ...NEXPEED NBG440 User s Manual NexComm Systems Inc 122 PAGE Appendix Connector Pin outs ...

Страница 124: ...ports auto MDI MDIX feature Table A 1 LAN port RJ 45 Pin outs PIN Signal Direction 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 DB9 connector Use the DB9 male to female adapter to connect the console port to a PC running terminal emulation software Table A 2 lists the pin outs f...

Страница 125: ...ed LINE The NBG440 unit 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 Name PIN Signal Description 4 Tip Transmit data and Receive data S0 5 Ring Transmit data and Receive data 1 Tip Transmit data and Receive data S1 2 Ring Transmit data and Receive data RJ 45 1 2 4 3 5 6 ...

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