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5.2.3 DMZ Host

The DSL router will forward IP packets from the WAN that do not belong to any of
the applications configured in the Virtual Servers table to the DMZ host computer.

To Activate the DMZ host, enter the DMZ host IP address and click Save/Apply.

To Deactivate the DMZ host, clear the IP address field and click Save/Apply.

Enable NAT Loopback allows PC on the LAN side to access servers in the LAN
network via the router’s WAN IP.

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Summary of Contents for NexusLink 3112u

Page 1: ...NexusLink 3112u Multi DSL Bonded Router User Manual Version A1 1 June 04 2014 261103 009 ...

Page 2: ...s e g a wet basement Do not connect the power supply cord on elevated surfaces Allow it to lie freely There should be no obstructions in its path and no heavy items should be placed on the cord In addition do not walk on step on or mistreat the cord Use only the power cord and adapter that are shipped with this device To safeguard the equipment against overheating make sure that all openings in th...

Page 3: ...BILITY or FITNESS FOR A PARTICULAR PURPOSE See the GNU General Public License for more details You should have received a copy of the GNU General Public License along with this program If not see http www gnu org licenses NOTE This document is subject to change without notice Protect Our Environment This symbol indicates that when the equipment has reached the end of its useful life it must be tak...

Page 4: ... 7 IGMP PROXY 32 4 8 IPV6 33 4 8 1 IPv6 Info 33 4 8 2 IPv6 Neighbor 34 4 8 3 IPv6 Route 35 4 9 NETWORK MAP 36 4 10 WIRELESS 37 4 10 1 Station Info 37 4 10 2 Site Survey 38 CHAPTER 5 BASIC SETUP 39 5 1 WAN SETUP 40 5 1 1 WAN Service Setup 41 5 2 NAT 42 5 2 1 Virtual Servers 42 5 2 2 Port Triggering 44 5 2 3 DMZ Host 46 5 2 4 IP Address Map 47 5 2 5 IPSEC ALG 49 5 2 6 SIP ALG 50 5 3 LAN 51 5 3 1 LAN...

Page 5: ...0 CERTIFICATE 102 6 10 1 Local 102 6 10 2 Trusted CA 104 6 11 POWER MANAGEMENT 105 6 12 MULTICAST 106 6 13 WIRELESS 108 6 13 1 Basic 108 6 13 2 Security 110 6 13 3 WPS 113 6 13 4 MAC Filter 114 6 13 5 Wireless Bridge 116 6 13 6 Advanced 117 CHAPTER 7 DIAGNOSTICS 120 7 1 DIAGNOSTICS INDIVIDUAL TESTS 120 7 2 FAULT MANAGEMENT 121 7 3 UPTIME STATUS 122 7 4 PING 122 7 5 TRACE ROUTE 123 7 6 SYSTEM UTILI...

Page 6: ... LOGOUT 139 APPENDIX A FIREWALL 140 APPENDIX B PIN ASSIGNMENTS 143 APPENDIX C SPECIFICATIONS 144 APPENDIX D SSH CLIENT 146 APPENDIX E CONNECTION SETUP 147 APPENDIX F WPS OPERATION 179 APPENDIX G PRINTER SERVER 184 ...

Page 7: ...th ATM PTM modes and VDSL2 PTM 8a 8b 8c 8d 12a 12b 17a profiles over comparable single port models With PTM mode supported it can provide better performance than a regular ATM mode router The NexusLink 3112u is equipped with three Fast Ethernet ports one Gigabit port and 802 11n WLAN Access Point AP It goes above and beyond with high level features such as QoS VPN and remote management with TR 069...

Page 8: ...er VC packet level QoS Firmware upgrade and configuration WPA and 802 1x Auto PVC configuration WPS 2 0 UPnP RADIUS client IP MAC address filtering Up to VDSL2 17a Profile Dynamic IP assignment US0 Parental Control PhyR and G INP DHCP Server Client G Vector DNS Relay Proxy Static routing RIP RIP v2 FTP TFTP server NAT PAT USB mass storage and file sharing Samba IGMP Snooping Proxy and fast leave E...

Page 9: ...he ON position IN If the Power LED displays as expected then the device is ready for setup see section 2 3 LED Indicators for details Caution 1 If the device fails to power up or it malfunctions first verify that the power cords are connected securely and then power it on again If the problem persists contact technical support Caution 2 Before servicing or disassembling this equipment disconnect a...

Page 10: ...r straight through or crossover cable can be used USB Host Port Type A This port can be used to connect the router to the print server DSL Port Connect to a VDSL with this RJ14 Port This device contains a micro filter which removes the analog phone signal If you wish you can connect a regular telephone to the same line by using a POTS splitter FRONT PANEL The Wi Fi WPS buttons are located on the b...

Page 11: ...cable or no powered device connected to the associated port Blink Traffic is passing Yellow for 10 100 Base T On Powered device connected to the associated port Off No activity modem powered off no cable or no powered device connected to the associated port Blink Traffic is passing ETH 1 3 Green On An Ethernet Link is established Off An Ethernet Link is not established Blink Data transmitting or r...

Page 12: ...ed and the modem is trying to train INTERNET Green On IP connected and no traffic detected If an IP or PPPoE session is dropped due to an idle timeout the light will remain green if an VDSL connection is still present Off Modem power off modem in bridged mode or VDSL connection not present In addition if an IP or PPPoE session is dropped for any reason other than an idle timeout the light is turne...

Page 13: ...access enabled Technical Note During power on the device initializes all settings to default values It will then read the configuration profile from the permanent storage section of flash memory The default attributes are overwritten when identical attributes with different values are configured The configuration profile in permanent storage can be created via the web user interface or telnet user...

Page 14: ...teps involved are similar for most operating systems OS Check your OS support documentation for further details STEP 1 From the Network Connections window open Local Area Connection You may also access this screen by double clicking the Local Area Connection icon on your taskbar Click the Properties button STEP 2 Select Internet Protocol TCP IP and click the Properties button STEP 3 Select Obtain ...

Page 15: ...ck your OS support documentation for further details STEP 1 From the Network Connections window open Local Area Connection You may also access this screen by double clicking the Local Area Connection icon on your taskbar Click the Properties button STEP 2 Select Internet Protocol TCP IP and click the Properties button STEP 3 Change the IP address to the 192 168 1 x 1 x 255 subnet with subnet mask ...

Page 16: ...type http 192 168 1 1 NOTE For local administration i e LAN access the PC running the browser must be attached to the Ethernet and not necessarily to the device For remote access i e WAN use the IP address shown on the Device Information screen and login with remote username and password STEP 2 A dialog box will appear such as the one below Enter the default username and password as defined in sec...

Page 17: ...16 STEP 3 After successfully logging in for the first time you will reach this screen You can also reach this page by clicking on the following icon located at the top of the screen ...

Page 18: ...ens a submenu with more selections NOTE The menu items shown are based upon the configured connection s and user account privileges For example if NAT and Firewall are enabled the main menu will display the NAT and Security submenus If either is disabled their corresponding menu s will also be disabled Device Info is the first selection on the main menu so it will be discussed first Subsequent cha...

Page 19: ...18 This screen shows hardware software IP settings and other related information ...

Page 20: ... Shows the connection type VlanMuxId Shows 802 1Q VLAN ID IPv6 Shows WAN IPv6 status IGMP Shows Internet Group Management Protocol IGMP status MLD Shows Multicast Listener Discovery MLD status NAT Shows Network Address Translation NAT status Firewall Shows the status of Firewall Status Lists the status of DSL link IPv4 Address Shows WAN IPv4 address IPv6 Address Shows WAN IPv6 address ...

Page 21: ... 15 seconds Click Reset Statistics to perform a manual update 4 2 1 LAN Statistics This screen shows data traffic statistics for each LAN interface Heading Description Interface LAN interface s Received Transmitted Bytes Pkts Errs Drops Number of Bytes Number of Packets Number of packets with errors Number of dropped packets ...

Page 22: ...affic statistics for each WAN interface Heading Description Interface WAN interfaces Description WAN service label Received Transmitted Bytes Pkts Errs Drops Number of Bytes Number of Packets Number of packets with errors Number of dropped packets ...

Page 23: ...itted over the interface In Packets Number of packets received over the interface Out Packets Number of packets transmitted over the interface In OAM Cells Number of OAM Cells received over the interface Out OAM Cells Number of OAM Cells transmitted over the interface In ASM Cells Number of ASM Cells received over the interface Out ASM Cells Number of ASM Cells transmitted over the interface In Pa...

Page 24: ...23 4 2 4 xDSL Statistics The xDSL Statistics screen displays information corresponding to the xDSL type The two examples below VDSL ADSL show this variation VDSL ...

Page 25: ...24 ADSL Click the Reset Statistics button to refresh this screen Field Description Mode VDSL VDSL2 Traffic Type ATM PTM Status Lists the status of the DSL link ...

Page 26: ...in each data symbol D The interleaver depth I The interleaver block size in bytes N RS codeword size Delay The delay in milliseconds msec INP DMT symbol OH Frames Total number of OH frames OH Frame Errors Number of OH frames received with errors RS Words Total number of Reed Solomon code errors RS Correctable Errors Total Number of RS with correctable errors RS Uncorrectable Errors Total Number of...

Page 27: ...tics screen to test the Bit Error Rate BER A small pop up window will open after the button is pressed as shown below Click Start to start the test or click Close to cancel the test After the BER testing is complete the pop up window will display as follows ...

Page 28: ...27 xDSL TONE GRAPH Click Draw Tone Graph on the xDSL Statistics screen and a pop up window will display the xDSL bits per tone status as shown below ...

Page 29: ... Destination Flag U route is up reject route G use gateway H target is a host R reinstate route for dynamic routing D dynamically installed by daemon or redirect M modified from routing daemon or redirect Metric The distance to the target usually counted in hops It is not used by recent kernels but may be needed by routing daemons Service Shows the WAN connection label Interface Shows connection i...

Page 30: ...Address Shows the MAC address of host pc Device Shows the connection interface 4 5 DHCP Click DHCP to display all DHCP Leases Field Description IPv6 Address Shows IP address of device host PC MAC Address Shows the Ethernet MAC address of the device host PC IP Address Shows IP address of device host PC Expires In Shows how much time is left for each DHCP Lease ...

Page 31: ...ription IPv6 Address Shows IP address of device host PC MAC Address Shows the Ethernet MAC address of the device host PC Duration Shows leased time in hours Expires In Shows how much time is left for each DHCP Lease ...

Page 32: ...established Source Port The source port from which the NAT session is established Destination IP The IP which the NAT session was connected to Destination Port The port which the NAT session was connected to Protocol The Protocol used in establishing the particular NAT session Timeout The time remaining for the TCP UDP connection to be active ...

Page 33: ... from which the IGMP report was received WAN The WAN interface from which the multicast traffic is received Groups The destination IGMP group address Member The Source IP from which the IGMP report was received Timeout The time remaining before the IGMP report expires ...

Page 34: ...atus of the WAN interface Address IPv6 Address of the WAN interface Prefix Prefix received configured on the WAN interface Device Link local Address The CPE s LAN Address Default IPv6 Gateway The default WAN IPv6 gateway IPv6 DNS Server The IPv6 DNS servers received from the WAN interface configured manually ...

Page 35: ...IPv6 Neighbor Field Description IPv6 Address Ipv6 address of the device s found Flags Status of the neighbor device HW Address MAC address of the neighbor device Device Interface from which the device is located ...

Page 36: ...35 4 8 3 IPv6 Route Field Description Destination Destination IP Address Gateway Gateway address used for destination IP Metric Metric specified for gateway Interface Interface used for destination IP ...

Page 37: ...work map feature provides an illustration of connected devices on the router The current wan status firewall on off is displayed on the left side Detailed information of PC USB connected to the router is shown on the right side ...

Page 38: ...Lists the MAC address of all the stations Associated Lists all the stations that are associated with the Access Point along with the amount of time since packets were transferred to and from each station If a station is idle for too long it is removed from this list Authorized Lists those devices with authorized access SSID Lists which SSID of the modem that the stations connect to Interface Lists...

Page 39: ...38 4 10 2 Site Survey The graph displays wireless APs found in your neighborhood by channel ...

Page 40: ...39 Chapter 5 Basic Setup You can reach this page by clicking on the following icon located at the top of the screen This will bring you to the following screen ...

Page 41: ...WAN interface connections here Click Add to create a new ATM interface see Appendix E Connection Setup NOTE Up to 8 ATM interfaces can be created and saved in flash memory To remove a connection select its Remove column radio button and click Remove ...

Page 42: ...1Q VlanMuxId Shows 802 1Q VLAN ID IGMP Shows Internet Group Management Protocol IGMP status NAT Shows Network Address Translation NAT status Firewall Shows the Security status IPv6 Shows the WAN IPv6 address MLD Shows Multicast Listener Discovery MLD status Remove Select interfaces to remove To remove a connection select its Remove column radio button and click Remove NOTE ETH and ATM service conn...

Page 43: ...ming traffic from the WAN side identified by Protocol and External port to the internal server with private IP addresses on the LAN side The Internal port is required only if the external port needs to be converted to a different port number used by the server on the LAN side A maximum of 32 entries can be configured To add a Virtual Server click Add The following will be displayed ...

Page 44: ...ver via WAN IP Address External Port Start Enter the starting external port number when you select Custom Server When a service is selected the port ranges are automatically configured External Port End Enter the ending external port number when you select Custom Server When a service is selected the port ranges are automatically configured Protocol TCP TCP UDP or UDP Internal Port Start Enter the...

Page 45: ...tes a TCP UDP connection to a remote party using the Triggering Ports The Router allows the remote party from the WAN side to establish new connections back to the application on the LAN side using the Open Ports A maximum 32 entries can be configured To add a Trigger Port click Add The following will be displayed Click Save Apply to save and apply the settings Consult the table below for field an...

Page 46: ...tically configured Trigger Port End Enter the ending trigger port number when you select custom application When an application is selected the port ranges are automatically configured Trigger Protocol TCP TCP UDP or UDP Open Port Start Enter the starting open port number when you select custom application When an application is selected the port ranges are automatically configured Open Port End E...

Page 47: ...nfigured in the Virtual Servers table to the DMZ host computer To Activate the DMZ host enter the DMZ host IP address and click Save Apply To Deactivate the DMZ host clear the IP address field and click Save Apply Enable NAT Loopback allows PC on the LAN side to access servers in the LAN network via the router s WAN IP ...

Page 48: ...le Type Mapping type from local to public Local Start IP The beginning of the local IP Local End IP The ending of the local IP Public Start IP The beginning of the public IP Public End IP The ending of the public IP Remove Remove this rule Click the Add button to display the following Select a Service then click the Save Apply button ...

Page 49: ...cific public IP Many to one mapping a range of local IP to a specific public IP Many to many Overload mapping a range of local IP to a different range of public IP Many to many No Overload mapping a range of local IP to a same range of public IP ...

Page 50: ...IPSEC ALG provides multiple VPN passthrough connection support allowing different clients on LAN side to establish a secured IP Connection to the WAN server To enable IPSEC ALG tick the checkbox and click the Save button ...

Page 51: ...50 5 2 6 SIP ALG This page allows you to enable disable SIP ALG ...

Page 52: ... GroupName Select an Interface Group 1st LAN INTERFACE IP Address Enter the IP address for the LAN port Subnet Mask Enter the subnet mask for the LAN port IGMP Snooping Standard Mode In standard mode multicast traffic will flood to all bridge ports when no client subscribes to a multicast group even if IGMP snooping is enabled ...

Page 53: ...DHCP server and enter Start and End IP addresses and the Leased Time This setting configures the router to automatically assign IP default gateway and DNS server addresses to every PC on your LAN Setting TFTP Server Enable by ticking the checkbox Then input the TFTP server address or an IP address Static IP Lease List A maximum of 32 entries can be configured To add an entry enter MAC address and ...

Page 54: ...he checkbox outlined in RED below IP Address Enter the secondary IP address for the LAN port Subnet Mask Enter the secondary subnet mask for the LAN port Ethernet Media Type Configure auto negotiation or enforce selected speed and duplex mode for the Ethernet ports ...

Page 55: ...54 5 3 1 LAN IPv6 Autoconfig Configure the LAN interface settings and then click Save Apply Consult the field descriptions below for more details ...

Page 56: ...ons Heading Description Stateless Use stateless configuration Refresh Time sec The information refresh time option specifies how long a client should wait before refreshing information retrieved from DHCPv6 Stateful Use stateful configuration Start interface ID Start of interface ID to be assigned to dhcpv6 client End interface ID End of interface ID to be assigned to dhcpv6 client Leased Time hou...

Page 57: ...lue used in router advertisement messages to insure that all nodes on a link use the same MTU value Enable Prefix Length Relay Use prefix length receive from WAN interface Enable Configuration Mode Manually configure prefix prefix length preferred lifetime and valid lifetime used in router advertisement Enable ULA Prefix Advertisement Allow RADVD to advertise Unique Local Address Prefix Randomly G...

Page 58: ...ave to apply and save the settings Heading Description IP Version The IP version used for the neighbor device IP Address Define the IP Address for the neighbor device MAC Address The MAC Address of the neighbor device Associated Interface The interface where the neighbor device is located ...

Page 59: ...58 5 3 3 UPnP Select the checkbox provided and click Apply Save to enable UPnP protocol ...

Page 60: ...work from active scans set the wireless network name also known as SSID and restrict the channel set based on country requirements Click Apply Save to apply the selected wireless options Consult the table below for descriptions of these options Option Description Enable Wireless A checkbox that enables or disables the wireless LAN interface When selected a set of basic wireless options will appear...

Page 61: ...ice Set Identifier All stations must be configured with the correct SSID to access the WLAN If the SSID does not match that user will not be granted access BSSID The BSSID is a 48 bit identity used to identify a particular BSS Basic Service Set within an area In Infrastructure BSS networks the BSSID is the MAC Media Access Control address of the AP Access Point and in Independent BSS or ad hoc net...

Page 62: ...entifier All stations must be configured with the correct SSID to access the WLAN If the SSID does not match that client will not be granted access Network Authentication This option specifies whether a network key is used for authentication to the wireless network If network authentication is set to Open then no authentication is provided Despite this the identity of the client is still verified ...

Page 63: ...ireless network traffic When data encryption is enabled secret shared encryption keys are generated and used by the source station and the destination station to alter frame bits thus avoiding disclosure to eavesdroppers Under shared key authentication each wireless station is assumed to have received a secret shared key over a secure channel that is independent from the 802 11 wireless network co...

Page 64: ...13 ASCII characters or 26 hexadecimal numbers Each key contains a 24 bit header an initiation vector which enables parallel decoding of multiple streams of encrypted data Please see 6 13 for MAC Filter Wireless Bridge and Advanced Wireless features ...

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