Comtrend Corporation NexusLink 5631 User Manual Download Page 61

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6.3.4 ALG

SIP ALG is Application layer gateway. If the user has an IP phone (SIP) or VoIP
gateway (SIP) behind the ADSL router, the SIP ALG can help VoIP packet
passthrough the router (NAT enabled).

NOTE

: SIP (Session Initiation Protocol, RFC3261) is the protocol of choice for

most VoIP (Voice over IP) phones to initiate communication. This ALG is
only valid for SIP protocol running UDP port 5060.

Summary of Contents for NexusLink 5631

Page 1: ...NexusLink 5631 Wireless ADSL2 Bonded Router User Manual Version C1 3 February 19 2008 261076 005...

Page 2: ...mtrend Corporation No part of this document may be translated transcribed reproduced in any form or by any means without the prior written consent of Comtrend Corporation Technical support If you find...

Page 3: ...OCEDURE 19 3 3 DEFAULT SETTINGS 20 CHAPTER 4 QUICK SETUP 21 4 1 AUTO QUICK SETUP 23 4 2 MANUAL QUICK SETUP 24 4 2 1 PPP over ATM PPPoA and PPP over Ethernet PPPoE 26 4 2 2 MAC Encapsulation Routing ME...

Page 4: ...6 6 2 Static Route 71 6 6 3 RIP 72 6 7 DNS 73 6 7 1 DNS Server 73 6 7 2 Dynamic DNS 73 6 8 DSL SLAVE DSL 75 6 9 PRINT SERVER 77 6 10 PORT MAPPING 78 6 11 IPSEC 80 6 12 CERTIFICATE 82 6 12 1 Local 82 6...

Page 5: ...108 9 6 ACCESS CONTROL 109 9 6 1 Services 109 9 6 2 IP Addresses 110 9 6 3 Passwords 111 9 7 UPDATE SOFTWARE 112 9 8 SAVE AND REBOOT 113 APPENDIX A PRINTER SERVER 114 APPENDIX B FIREWALL 120 APPENDIX...

Page 6: ...er level performance with embedded security QoS VPN and remote management functions As an added bonus the USB host acts as a printer hub and will enable future product enhancements available by softwa...

Page 7: ...6 1 2 Application This diagram depicts the application of the NexusLink 5631 on a wireless network...

Page 8: ...is established Off An Ethernet Link is not established LAN 1 4 Green Blink Data transmitting or receiving over LAN Green On A USB link is established Off A USB link is not established USB Green Blink...

Page 9: ...self test Wait a few moments and the device will be ready to operate Caution 1 If the device fails to power up or if it malfunctions first verify that the power supply is connected correctly Then pow...

Page 10: ...this software release printer service is supported Connection to LAN port To connect to a hub or PC use a RJ45 cable You can connect the router to four LAN devices The ports are auto sensing MDI X an...

Page 11: ...llation supports Win ME Win 98 Win 2000 Win XP 32 bit and Vista 32 bit For those using Windows XP 64 bit the driver must be installed manually please see section 2 3 below for details STEP 1 Insert th...

Page 12: ...11 STEP 2 The following window will be displayed Click the Next button to continue STEP 3 When the window displays as below wait for the drivers to fully install...

Page 13: ...12 STEP 4 Click the Finish button when the window displays as below STEP 5 The installation is complete You can now connect the device to your PC using a standard USB cable...

Page 14: ...ct the USB port to the PC by plugging the flat connector of a standard USB cable into your PC and plugging the square connector into the device After a moment the connection should be detected by your...

Page 15: ...k the Next button Note This window won t display if the USB Driver has been previously installed In this case contact technical support for assistance STEP 3 Insert the installation CD Note If you see...

Page 16: ...15 STEP 4 Select the location of the file using the Browse button as shown above Normally the file is on the CD ROM shipped with the device STEP 5 Locate the Vista folder and click OK...

Page 17: ...16 STEP 6 When the window displays as below click the NEXT button and wait...

Page 18: ...17 STEP 7 Click the Finish button when the window displays as below STEP 8 Installation is complete...

Page 19: ...device 3 1 TCP IP Settings The default IP address of the router LAN port is 192 168 1 1 To configure the router for the first time the configuration PC must have a static IP address within the 192 16...

Page 20: ...router in the Web address field For example if the IP address is 192 168 1 1 type http 192 168 1 1 STEP 2 You will be prompted to enter your user name and password Type root for the user name and 1234...

Page 21: ...t Settings see section 9 1 3 Restore Default The following list shows the factory default settings for this router LAN port IP address es 192 168 1 1 ADSL1 and 192 168 1 2 ADSL2 Local administrator ac...

Page 22: ...the user to configure the NexusLink 5631 for ADSL connectivity and Internet access It also guides the user though the WAN network setup first and then the LAN interface setup You can either do this ma...

Page 23: ...E sessions from the LAN side while simultaneously running a PPPoE client from non PPPoE LAN devices In most cases NAT and firewall should always be enabled when PPPoE or PPPoA mode are selected but th...

Page 24: ...the easy online instructions STEP 1 Select Quick Setup to display this screen STEP 2 Click Next to start the setup process Follow the online instructions to complete the settings This procedure will s...

Page 25: ...kbox to enable manual configuration of the connection type STEP 2 Enter the PORT Virtual Path Identifier VPI and Virtual Channel Identifier VCI values Select Enable Quality Of Service if required and...

Page 26: ...TION PPPoE LLC SNAP BRIDGING VC MUX MER LLC SNAP BRIDGING VC MUX IPoA LLC SNAP ROUTING VC MUX Bridging LLC SNAP BRIDGING VC MUX NOTE Subsections 4 2 1 4 2 4 describe the PVC setup procedure further Ch...

Page 27: ...ddress and port are mapped to the same external IP address and port An external host can send a packet to the internal host by sending a packet to the mapped external address PPP Username PPP Password...

Page 28: ...the ADSL router has a single IP address to assign to a LAN device NAPT and firewall are disabled when this option is selected The ADSL router becomes the default gateway and DNS server to the PC thro...

Page 29: ...multicast proxy IGMP Internet Group Membership Protocol is a protocol used by IP hosts to report their multicast group memberships to any immediately neighboring multicast routers Enable WAN Service c...

Page 30: ...default gateway to other LAN devices select the button Enable DHCP server on the LAN and enter the start and end IP addresses and DHCP leased time Since the router occupies the first two IP addresses...

Page 31: ...ents the entire configuration summary Click Save Reboot if the settings are correct Click Back if you wish to modify the settings STEP 9 After clicking Save Reboot the router will save the configurati...

Page 32: ...ode if Obtain an IP address automatically is chosen Changing the default gateway or the DNS affects the whole system Configuring them with static values will disable the automatic assignment from DHCP...

Page 33: ...nel Enable Fullcone NAT This option becomes available when NAT is enabled Known as one to one NAT all requests from the same internal IP address and port are mapped to the same external IP address and...

Page 34: ...p memberships to any immediately neighboring multicast routers Enable WAN Service Tick the checkbox to enable the WAN service If this item is not selected you will not be able to use the WAN service S...

Page 35: ...router is 192 168 1 3 through 192 168 1 254 Select Enable DHCP Server Relay if available see note below and enter the DHCP Server IP Address This allows the router to relay the DHCP packets from the r...

Page 36: ...router will save the configuration to flash memory and reboot After the device reboots the Web UI will refresh to the Device Info screen The router is ready for operation when the LED indicators displ...

Page 37: ...owing screen appears Enable NAT checkbox If the LAN is configured with a private IP address the user should select this checkbox The NAT submenu on the left side main panel will be displayed after reb...

Page 38: ...configure firewall features after the system comes up If firewall is not used this checkbox should be de selected to free up system resources for better performance When system comes back after reboot...

Page 39: ...the first two IP addresses 192 168 1 1 and 192 168 1 2 the default private address range provided by the ISP server in the router is 192 168 1 3 through 192 168 1 254 Select Enable DHCP Server Relay...

Page 40: ...ID if desired Click Next to continue Step 8 After clicking Save Reboot the router will save the configuration to flash memory and reboot After the device reboots the Web UI will refresh to the Device...

Page 41: ...ter the service name Step 5 Click the Next button to continue Enter the IP address for the LAN interface The default IP address is 192 168 1 1 The LAN IP interface in bridge operating mode is needed f...

Page 42: ...click Next The following screen will be displayed Step 7 After clicking Save Reboot the router will save the configuration to flash memory and reboot After the device reboots the Web UI will refresh...

Page 43: ...e Info Select Device Info from the main menu to display Summary information as below NOTE The screen above gives a DSL status summary for ADSL1 For the status of ADSL2 consult the next selection on th...

Page 44: ...e video The interleaved path is a slower but reliable path and can be used for data that is intolerant to errors like file transfer Mode Modulation protocol for the second CPU Rate kbps Current sync r...

Page 45: ...D Shows the connection ID Category Shows the ATM service classes Service Shows the name for WAN connection Interface Shows connection interfaces Protocol Shows the connection type such as PPPoE PPPoA...

Page 46: ...very 15 seconds 5 2 1 LAN Statistics The Network Statistics screen shows interface statistics for Ethernet and Wireless interfaces The Network Statistics screen shows interface statistics for LAN of E...

Page 47: ...CI Protocol Shows the connection type such as PPPoE PPPoA etc Interface Shows connection interfaces Received Transmitted Bytes Pkts Errs Drops Rx TX receive transmit packets in bytes Rx TX receive tra...

Page 48: ...d cells with invalid cell header patterns If cells with undefined PTI values are discarded they are also counted here In Hec Errors Number of cells received with an ATM Cell Header HEX error In Invali...

Page 49: ...ed AAL5 AAL0 CPCS PDUs that could be transmitted due to errors In Discards Number of received AAL5 AAL0 CPCS PDUs discarded due to an input buffer overflow condition Out Discards This field is not cur...

Page 50: ...dow a Bit Error Rate BER test can be done using the ADSL BER Test button The Reset Statistics button refreshes the statistics NOTE This screen displays information for ADSL1 Please refer to Slave Info...

Page 51: ...The delay in milliseconds msec Super Frames Total number of super frames Super Frame Errors Number of super frames received with errors RS Words Total number of Reed Solomon code errors RS Correctable...

Page 52: ...51 5 3 Route 5 4 ARP...

Page 53: ...52 5 5 DHCP...

Page 54: ...his chapter explains WAN LAN NAT Security QoS Routing DNS DSL NOTE Shown below are the menu options for each connection type This screenshot is for PPPoE and PPPoA encapsulations This screenshot is fo...

Page 55: ...65535 VLAN Mux Shows 802 1Q VLAN ID Con ID ID for WAN connection Category ATM service category e g UBR CBR Service Name of the WAN connection Interface Name of the interface for WAN Protocol Shows br...

Page 56: ...k for the LAN port Enable IGMP Snooping Enable Disable the function that is IGMP Snooping Standard Mode In standard mode as in all prior releases multicast traffic will flood to all bridge ports when...

Page 57: ...dentified by Protocol and External port to the Internal server with private IP address on the LAN side The Internal port is required only if the external port needs to be converted to a different port...

Page 58: ...igured 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 User can select from TCP T...

Page 59: ...in the firewall when an application on the LAN initiates 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 connec...

Page 60: ...number when you select custom application When an application is selected the port ranges are automatically configured Trigger Port End Enter the ending trigger port number when you select custom app...

Page 61: ...eway SIP behind the ADSL router the SIP ALG can help VoIP packet passthrough the router NAT enabled NOTE SIP Session Initiation Protocol RFC3261 is the protocol of choice for most VoIP Voice over IP p...

Page 62: ...icy FORWARDED means that all MAC layer frames will be FORWARDED except those matching with any of the specified rules in the following table BLOCKED means that all MAC layer frames will be BLOCKED exc...

Page 63: ...ocol type PPPoE IPv4 IPv6 AppleTalk IPX NetBEUI IGMP Destination MAC Address Defines the destination MAC address Source MAC Address Defines the source MAC address Frame Direction Select the incoming o...

Page 64: ...r name and at least one condition below All of the specified conditions in this filter rule must be satisfied for the rule to take effect Click Save Apply to save and activate the filter Outgoing The...

Page 65: ...P address Enter source IP address Source Subnet Mask Enter source subnet mask Source Port port or port port Enter source port number Destination IP address Enter destination IP address Destination Sub...

Page 66: ...ng The default setting for all Incoming traffic is Blocked To add a filtering rule click the Add button The following screen will be displayed To configure the parameters please reference Outgoing tab...

Page 67: ...rental control click the Add button and the following screen will display Username Name of the Filter MAC Address Displays MAC address of the LAN device on which the browser is running Days of the wee...

Page 68: ...e a certain level of performance to a data flow in accordance with requests from Queue Prioritization Differentiated Services Code Point DSCP You can assign DSCP mark that specifies the per hop behavi...

Page 69: ...uration Status Make the queue Enable Disable Queue Assign queue to a specific network interface whose QoS is enabled Queue Precedence Configure precedence for queue Lower integer values for precedence...

Page 70: ...upstream traffic assign queuing priority and optionally overwrite the IP header TOS byte A rule consists of a class name and at least one condition below All of the specified conditions in this classi...

Page 71: ...x is selected the default gateway will be assigned based on a DHCP enabled PVC If the checkbox is not selected enter the static default gateway AND OR WAN interface Click Save Apply to save it NOTE Af...

Page 72: ...of static routes Choose Add or Remove to configure the static routes To add static route click the Add button to display the following screen Enter the destination network address subnet mask gateway...

Page 73: ...RIP Mode To configure an individual interface select the desired RIP version and operation followed by placing a check in the Enabled checkbox for the interface Click Save Apply to start stop RIP base...

Page 74: ...x is not selected enter the primary and optional secondary DNS server IP addresses Click the Save button to save the new configuration You must reboot the router to make the new configuration effectiv...

Page 75: ...a dynamic DNS service click Add and the following screen will be displayed D DNS provider Select a dynamic DNS provider from the list Hostname Enter the name for the dynamic DNS server Interface Selec...

Page 76: ...ave DSL To access the ADSL settings first click On Advanced Setup and then click on DSL This screen shows the settings available for ADSL1 For ADSL2 use Slave DSL NOTE Annex M is enabled by default fo...

Page 77: ...want the system to use only T1 413 mode ADSL2 Enabled The device can support the functions of the ADSL2 AnnexL Enabled The device can support enhance the long loop test ADSL2 Enabled The device can s...

Page 78: ...eed USB2 0 host connection With software support users can connect USB devices such as a printer and hard disc to the router For this software release printer server is supported Please refer to Appen...

Page 79: ...e you must create mapping groups with appropriate LAN and WAN interfaces using the Add button The Remove button will remove the grouping and add the ungrouped interfaces to the Default group As shown...

Page 80: ...The local DHCP server will decline and send the requests to a remote DHCP server by mapping the appropriate LAN interface This will be turned on when PortMapping is enabled There are 4 PVCs 0 33 0 36...

Page 81: ...co request with vendor id Video the CPE deco server would forward this request to ISP s deco server Then the CPE will change the PortMapping configuration automatically The Port Mapping configuration...

Page 82: ...on the local side It has single and subnet IP Address for VPN If you choose single please entry the host IP address for VPN If you choose subnet please entry the subnet information for VPN Tunnel acce...

Page 83: ...of two phases Click the button then choose which modes Encryption Algorithm Integrity Algorithm Select Diffie Hellman Group for Key Exchange key time on different phases 6 12 Certificate A certificat...

Page 84: ...on for each column in the following table is only for reference Click Apply to generate a private key and a certificate signing request This screen is used to paste the certificate content and the pri...

Page 85: ...A is a part of the X 509 system It is itself a certificate attached with the owner information of this certificate authority But its purpose is not to do encryption decryption Its purpose is to sign a...

Page 86: ...to paste the certificate content of your trusted CA Generally speaking the certificate content will be provided by your vendor ISP ITSP and is used to authenticate the Auto Configuration Server ACS t...

Page 87: ...e the wireless LAN interface hide the network from active scans set the wireless network name also known as SSID and restrict the channel set based on country requirements Click Save Apply to configur...

Page 88: ...ng its Wireless Multimedia WMM functionality which provides basic quality of service for time sensitive applications e g VoIP Video wireless software version 3 10 and above SSID Sets the wireless netw...

Page 89: ...To hide a Guest SSID select its radio button under the Hidden heading Do the same for Isolate Client and Disable WMM Advertise functions For a description of these two functions see the entries for C...

Page 90: ...The system that needs to authenticate with another wireless station sends an authentication management frame that contains the identity of the sending station The receiving station then sends back a...

Page 91: ...ork key be used for authentication to the wireless network If the Network Authentication Shared mode checkbox is not shared that is if open system authentication is used no authentication is provided...

Page 92: ...l to the number of binary bits comprising the session key file This means that session keys with a greater number of bits have a greater degree of security and are considerably more difficult to forci...

Page 93: ...points that support MAC filtering let you specify a list of MAC addresses that may connect to the access point and thus dictate what devices are authorized to access the wireless network When a device...

Page 94: ...is disabled Allow Permits PCs with listed MAC addresses to connect to access point Deny Prevents PCs with listed MAC from connecting to the access point MAC Address Lists the MAC addresses subject to...

Page 95: ...e will be granted access Selecting Enabled or Enabled Scan enables wireless bridge restriction Only those bridges selected in Remote Bridges will be granted access Feature Options AP Mode Access Point...

Page 96: ...has a 54 Mbps rate at 5 GHz IEEE 802 11a has other differences compared to IEEE 802 11b or g such as offering more channels Channel Drop down menu that allows selection of a specific channel Auto Chan...

Page 97: ...sing RTS CTS The default setting of 2347 maximum length disables RTS Threshold DTIM Interval Delivery Traffic Indication Message DTIM also known as Beacon Rate The entry range is a value between 1 and...

Page 98: ...pe Short preamble is intended for application where maximum throughput is desired but it doesn t cooperate with the legacy Long preamble interoperates with the current 1 and 2 Mbit s DSSS specificatio...

Page 99: ...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 t...

Page 100: ...uccessful Fail Indicates that the router does not detect the Ethernet interface on your computer USB Connection Pass Indicates that the USB interface from your computer is connected to router properly...

Page 101: ...100 If router mode is PPPoE the following screen will be displayed for your reference...

Page 102: ...The Settings submenu allows for backup of settings retrieval of settings and restoring to factory default settings 9 1 1 Backup The Backup option under Management Settings saves your router configura...

Page 103: ...102 9 1 2 Update Settings The Update option under Management Settings updates your router settings using your saved files...

Page 104: ...the boot loader support the reset to default button If the reset button is continuously pushed for more than 5 seconds the boot loader will erase the entire configuration data saved on the flash memo...

Page 105: ...address to match your new configuration see section 3 1 TCP IP Settings for instructions 9 2 System Log The System Log option under Management Settings allows you to view the system events log or to...

Page 106: ...wrap up to the top of the log buffer and overwrite the old event By default the log level is Debugging which is the lowest critical level The following log levels are Emergency system is unusable Aler...

Page 107: ...stem log will not be able to display events saved in the remote syslog server When either Remote mode or Both mode is configured the WEB UI will prompt the user to enter the Server IP address and Serv...

Page 108: ...to the ACS using the CPE WAN Management Protocol This parameter MUST be in the form of a valid HTTP or HTTPS URL An HTTPS URL indicates that the ACS supports SSL The host portion of this URL is used b...

Page 109: ...iscover the set of methods supported by the ACS or CPE it is in communication with This list may include both standard TR 069 methods those defined in this specification or a subsequent version and ve...

Page 110: ...menu configures three access related parameters 9 6 1 Services The Services Control List provides access options to the device over the LAN or WAN Enable each option by ticking the corresponding check...

Page 111: ...address If Access Control Mode is enabled only the IP addresses listed here can access the router Before enabling it configure the IP addresses by clicking the Add button Enter the IP address and cli...

Page 112: ...It is the top administrative account support is intended to allow limited access so that a technical support representative can conduct maintenance and run diagnostics user provides the least access c...

Page 113: ...s file to you if necessary Step 1 Obtain an updated software image file from your ISP Step 2 Enter the path to the image file location in the box below or click the Browse button to locate the image f...

Page 114: ...nd reboot the device The browser window should refresh automatically but if it does not close and restart the browser It may also be necessary to reconfigure your TCP IP settings to match your new con...

Page 115: ...Printer Server Step 1 Enable Print Server from Web User Interface Select Enable on board print server checkbox and enter Printer name and Make and model NOTE The Printer name can be any text string up...

Page 116: ...Step 2 Go to the Printers and Faxes application in the Control Panel and select the Add a printer function as located on the side menu below Step 3 Click Next to continue when you see the dialog box b...

Page 117: ...Step 5 Select Connect to a printer on the Internet and enter your printer link e g http 192 168 1 1 631 printers hp3845 and click Next NOTE The printer name must be the same name entered in the ADSL...

Page 118: ...117 Step 6 Click Have Disk and insert the printer driver CD Step 7 Select driver file directory on CD ROM and click OK...

Page 119: ...118 Step 8 Once the printer name appears click OK Step 9 Choose Yes or No for default printer setting and click Next...

Page 120: ...119 Step 10 Click Finish Step 11 Check the status of printer from Windows Control Panel printer window Status should show as Ready...

Page 121: ...filtering of traffic at the Network layer i e Layer 3 When a Routing interface is created Enable Firewall must be checked Navigate to Advanced Setup Security IP Filtering web page Outgoing IP Filteri...

Page 122: ...255 0 Source Port 80 Dest Address NA Dest Sub Mask NA Dest Port NA This filter will Drop all TCP packets coming from LAN with IP Address Sub Mask 192 168 1 45 24 having a source port of 80 irrespectiv...

Page 123: ...Packets having a source port equal to this value or falling within the range of port numbers portX portY will be accepted Destination IP Address Destination Subnet Mask Packets with the particular De...

Page 124: ...e range of 6060 to 7070 All other incoming packets on this interface are DROPPED MAC Layer Filtering These rules help in the filtering of traffic at the Layer 2 MAC Filtering is only effective on ATM...

Page 125: ...MAC Addr NA Frame Direction LAN WAN WAN Interface Selected br_0_34 nas_0_34 Addition of this rule drops all PPPoE frames going from LAN side to WAN side with a Dest MAC Addr of 00 12 34 56 78 irrespec...

Page 126: ...entered Days of the Week Days of the week when the restrictions are applied Start Blocking Time The time when restrictions on the LAN device are put into effect End Blocking Time The time when restric...

Page 127: ...ts Line port RJ14 Pin Definition Pin Definition 1 4 ADSL_TIP1 2 ADSL_TIP2 5 ADSL_RING2 3 ADSL_RING1 6 LAN Port RJ45 Pin Definition Pin Definition 1 Transmit data 5 NC 2 Transmit data 6 Receive data 3...

Page 128: ...02 3u 10 100 BaseT Auto sense MDI MDX support Yes Wireless Standard IEEE802 11g backward compatible with 802 11b Encryption 64 128 bit Wired Equivalent Privacy WEP Data Encryption Channels 11 Channels...

Page 129: ...ns Authentication protocols PAP CHAP TCP IP Port filtering rules Port triggering Forwarding Packet and MAC address filtering access control SSH Application Passthrough PPTP L2TP IPSec VoIP Yahoo messe...

Page 130: ...UI to enable SSH access from LAN default is enabled type ssh l admin 192 168 1 1 From WAN From the router use WEB UI to enable SSH access from WAN type ssh l support xx xx xx xx router WAN IP address...

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