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ATU-R140 ADSL Ethernet USB Router User’s Guide 

 

11 

4. 

Setting up Your Gateway 

This section will guide you through your gateway’s configuration. The gateway is shipped with 
a standard default bridge configuration; for most users, you may want to change the gateway 
from a bridge to a router. 
 

4.1  Log into Your Gateway 

 
To configure your gateway, open your web browser. You may get an error message at this 
point; this is normal. Don’t panic. Continue following these directions. Type the default IP 
address (

192.168.1.1

) Press the 

Enter 

key and the following screen, shown in Figure 1 will 

appear. The default user name is 

Admin

 (case sensitive) and the password is 

Admin

 (case 

sensitive). 
 
Note: Before setting up your gateway, make sure you have followed the quick start guide. You 
should have your computers configured for DHCP mode and have proxies disabled on your 
browser. Also if you access the Gateway, and instead of getting a login screen, the browser 
instead displays a login redirection screen, you should check your browser's setting, and 
verify that JavaScript support is enabled. Also, if you do not get the screen shown in Figure 1, 
you may need to delete your temporary Internet files (basically flush the cached web pages). 
 

 

Figure 1 (Log-in screen) 

 

 

4.2 Home 

Screen 

The first screen (Figure 2) that appears (after the log in screen) is the Home screen. From this 
screen the user can setup the modem (configure the LAN and WAN connection(s), configure 
the advanced configuration options within the modem (security, routing, and filtering), access 

Summary of Contents for ATU-R140

Page 1: ...USER MANUAL ATU R140 ADSL2 SOHO modem CTC Union Technologies Co Ltd ...

Page 2: ......

Page 3: ...laim alleges that CTC Union Technologies was negligent regarding the design or manufacture of said product TRADEMARKS Microsoft is a registered trademark of Microsoft Corp HyperTerminal is a registered trademark of Hilgraeve Inc WARNING This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to p...

Page 4: ...005 Released for first printing This manual supports the following models ATU R140 This document is the first official release manual Please check CTC Union s website for any updated manual or contact us by E mail at info ctcu com Please address any comments for improving this manual or to point out omissions or errors to marketing ctcu com Thank you The contents of this document are subject to ch...

Page 5: ...4 5 CONFIGURING THE LAN 21 4 5 1 Enable Disable DHCP 21 4 5 2 Changing the gateways IP address 22 4 5 3 Firewall NAT Services 23 4 6 ADVANCED 23 4 6 1 UPnP 23 4 6 2 SNTP 24 4 6 3 SNMP 25 4 6 4 IP QoS 26 4 6 5 Port Forwarding 28 4 6 6 IP Filters 30 4 6 7 LAN clients 30 4 6 8 LAN Isolation 31 4 6 9 Bridge Filters 32 4 6 10 Multicast 33 4 6 11 Static Routing 34 4 6 12 Dynamic Routing 35 4 6 13 Access...

Page 6: ...ystem Log 40 5 APPENDIX A TROUBLESHOOTING 41 5 1 THE GATEWAY IS NOT FUNCTIONAL 41 5 2 I CAN T CONNECT TO THE GATEWAY 41 5 3 THE LEDS BLINK IN A SEQUENTIAL PATTERN 41 5 4 THE DSL LINK LED CONTINUES TO BLINK BUT DOES NOT GO SOLID 42 5 5 THE DSL LINK LED IS ALWAYS OFF 42 6 GATEWAY TERMS 43 ...

Page 7: ...e with NAT enabled Configurable through user friendly web pages Supports Single Session IPSec and PPTP Pass Through for Virtual Private Network VPN Several popular games are already pre configured Just enable the game and the port settings are automatically configured Configurable as a DHCP Server on Your Network Compatible with virtually all standard Internet applications Industry standard and in...

Page 8: ...the gateway To reset the gateway simply press the reset button for more than 10 seconds The gateway will be reset to its factory defaults and after about 30 seconds the gateway will become operational again POWER Connect the power adapter that came with the Gateway Using a power supply with a different voltage rating will damage this product Make sure to observe the proper power requirements The p...

Page 9: ...hes when the WAN port is sending receiving data INTERNET PPP LED This LED is lighted when work under PPPoE PPPoA mode LAN LED The LED is lighted when a connection is established to LAN port and flashes when LAN port is sending receiving data USB optional LED The LED is lighted when a connection is established to USB port and flashes when USB port is sending receiving data INTERNET PPP WAN USB LAN ...

Page 10: ...L interfaces refer to the quick start guide 3 Connect the AC Power Adapter Depending upon the type of network you may want to put the power supply on an uninterruptible supply Only use the power adapter supplied with the gateway A different adapter may damage the product Now that the hardware installation is complete proceed to Chapter 4 Setting up your gateway ...

Page 11: ...se sensitive Note Before setting up your gateway make sure you have followed the quick start guide You should have your computers configured for DHCP mode and have proxies disabled on your browser Also if you access the Gateway and instead of getting a login screen the browser instead displays a login redirection screen you should check your browser s setting and verify that JavaScript support is ...

Page 12: ...mation The center display is where most of the configuration will take place Figure 2 Home page 4 3 Setup To setup your gateway with a basic configuration from the Home page select Setup Figure 3 illustrates the setup page The page is broken into two subsections the WAN configuration and the LAN configuration Before configuring the Gateway there are several concepts that you should be familiar wit...

Page 13: ...ured to automatically provide all the PC s on your network with Internet addresses 4 4 Configuring the WAN Before the gateway will pass any data between the LAN interface s and the WAN interface the WAN side of the modem must be configured Depending upon your DSL service provider or your ISP you will need some or all of the information outlined below before you can properly configure the WAN Your ...

Page 14: ...th numbers In this case the unique name is called bridge1 Select the encapsulation type LLC or VC if you are not sure just use the default mode Select the VPI and VCI settings your DSL service provider or your ISP will supply these in this case the DSL service provider is using 0 35 Also select the quality of service QOS leave the default value if you are unsure or the ISP did not provide this inf...

Page 15: ...erent options a Username The username for the PPPoA access this is provided by your DSL service provider or your ISP b Password The password for the PPPoA access this is provided by your DSL service provider or your ISP c On Demand Enables on demand mode The connection will disconnect if no activity is detected after the specified idle timeout value d Idle Timeout Specifies that PPPoA connection s...

Page 16: ...oE connection a unique name the name must not have spaces and cannot begin with numbers In this case the unique name is called PPPOE1 Select the encapsulation type LLC or VC if you are not sure just use the default mode Select the VPI and VCI settings your DSL service provider or your ISP will supply these in this case the DSL service provider is using 0 35 Also select the quality of service QOS l...

Page 17: ...ing the Internet over a PPPoE connection This feature will force all TCP traffic to conform with PPP MRU by changing TCP Maximum Segment Size to PPP MRU i Debug Enables PPPoE connection debugging facilities Debugging is talked about later j PPP Unnumbered Some ISPs provide unnumbered service for special purpose Figure 6 PPPOE Connection Setup To complete the connection you must now click the apply...

Page 18: ...this information If your DSL line is connected and your DSL ISP provider is supporting DHCP you can click the renew button and the gateway will retrieve an IP address Subnet mask and Gateway address At anytime you can renew the DHCP address by clicking on the renew button in most cases you will never have to use this button Figure 7 DHCP Connection Setup To complete the connection you must now cli...

Page 19: ... unsure leave these in the default mode Based upon the information your DSL ISP provided enter your assigned IP address Subnet Mask Default Gateway if provided and Domain Name Services DNS values if provided For the static configuration you can also select a bridge connection or a routed connection Since static IP address is typically used to host WEB servers you may want to use a bridge connectio...

Page 20: ...on To make the change permanent you need to click on Tools at the top of the page and select System Commands At the system commands page click on Save All 4 4 2 Modify an Existing Connection To modify an existing connection from the Home screen click setup and then click the connection you want to modify The connections are listed as Connection 1 through Connection 8 As a note if you delete the co...

Page 21: ... gateways IP address is 192 168 1 1 default than the starting IP address must be 192 168 1 2 or higher The End IP Address is where the DHCP server stops issuing IP addresses The ending address cannot exceed a subnet limit of 254 Hence the max value for our default gateway is 192 168 1 254 If the DHCP server runs out of DHCP addresses users will not get access to network resources If this happens y...

Page 22: ...the page and select System Commands At the system commands page click on Save All 4 5 2 Changing the gateways IP address You can change the gateway s IP address by going to the Home screen click setup and under LAN Setup select LAN Configuration press Configure This will bring up the screen shown in Figure 12 4 5 2 1 Static IP address assignment Your gateway s default IP address and subnet mask ar...

Page 23: ...ect System Commands At the system commands page click on Save All 4 6 Advanced The gateway supports a host of advanced features For basic Gateway functionality the user does not need to utilize these advanced features The features help with routing security port configuration and plug and play capability 4 6 1 UPnP UPnP NAT and Firewall Traversal allow traffic to pass thru the Gateway for applicat...

Page 24: ...s connection To make the change permanent you need to click on Tools at the top of the page and select System Commands At the system commands page click on Save All 4 6 2 SNTP Simple Network Time Protocol SNTP which is an adaptation of the Network Time Protocol NTP used to synchronize clocks in the Internet ...

Page 25: ... s Guide 25 Figure 14 SNTP 4 6 3 SNMP SNMP management feature comes with SNMP agent built The agent provides management information to the Network Management Station by keeping track of various operational aspects of gateway Figure 15 SNMP ...

Page 26: ...he Modem On the other hand choose the LAN connection Ethernet and USB Bridged for the downstream traffic Low Medium priority weights These 2 fields will allow you to select the weights of the Medium and Low priority queues in increments of 10 percent so that that the sum of the weights of these 2 queues is equal to 100 percent Enable IP QoS This field allows you to enable disable IP QoS for the ch...

Page 27: ...ss and Netmask Source Destination Port range Protocol and Traffic Priority The Traffic Priority field corresponds to the Priority Queue High Medium Low for for this traffic The possible options for Protocol are ANY ICMP TCP and UDP Wildcard entries are allowed for IP Address Netmask and Port range fields The additional TOS marking field allows you to assign a TOS value to this traffic The values f...

Page 28: ...ss The port forwarding will translate the WAN IP address into a LAN IP address To configure a service game or other application select the external connection for example the Internet connection from the Home screen click Advanced and under Advanced select Port Forwarding Next select the computer hosting the service and add the corresponding firewall rule If you want to add a custom application se...

Page 29: ... Control Message Protocol ICMP Ping will allow Echo requests to come into the gateway The gateway will respond with an ICMP Echo response message The option allows the DSL provider or ISP to determine the following a The status of the network b Tracking and isolating hardware and software problems c Testing measuring and managing networks Figure 18 Port Forwarding Netmeeting The apply button will ...

Page 30: ...from the Home screen click Advanced and under Advanced select IP Filters Figure 19 illustrates the typical IP Filters configuration Figure 19 IP Filters The apply button will temporarily save this connection To make the change permanent you need to click on Tools at the top of the page and select System Commands At the system commands page click on Save All 4 6 7 LAN clients To add a LAN client fr...

Page 31: ...ATU R140 ADSL Ethernet USB Router User s Guide 31 Figure 20 LAN Client 4 6 8 LAN Isolation The LAN Isolation feature allows user to disable traffic between different LAN groups ...

Page 32: ...ply define the source MAC address destination MAC address and frame type with desired filtering type i e allow deny and press the Add button The MAC address must be in a xx xx xx xx xx xx format with 00 00 00 00 00 00 as don t care Blanks can be used in the MAC address space and would be considered also as don t care To edit modify an existing filter rule select the desired rule created previously...

Page 33: ...nds At the system commands page click on Save All 4 6 10 Multicast Multicasting is a form of limited broadcast UDP is used to send datagrams to all hosts that belong to what is called a host group A host group is a set of zero or more hosts identified by the same destination IP address The following statements apply to host groups a Anyone can join or leave a host group at will b There are no rest...

Page 34: ... The New Destination IP is the address of the remote LAN network or host to which you want to assign a static route Enter the IP address of the host for which you wish to create a static route here For a standard Class C IP domain the network address is the first three fields of the New Destination IP while the last field should be 0 The Subnet Mask identifies which portion of an IP address is the...

Page 35: ...etwork The Direction determines the direction that RIP routes will be updated Selecting In means that the Gateway will only incorporate received RIP information Selecting Out means that the Gateway will only send out RIP information Selecting both means that the Gateway will incorporate received RIP information and send out updated RIP information The protocol is dependent upon the entire network ...

Page 36: ...n will temporarily save this connection To make the change permanent you need to click on Tools at the top of the page and select System Commands At the system commands page click on Save All 4 6 13 Access Control Open the access from the Internet to the Gateway s management ports web telnet ...

Page 37: ...on re starting NOTE Connectivity to the unit will be lost You can reconnect after the unit reboots c Restore Defaults Use this button to restore factory default configuration NOTE Connectivity to the unit will be lost You can reconnect after the unit reboots 4 7 2 Remote Log The remote log feature is used in conjunction with the PC tool software provided with your gateway For PPPoE and PPPoA conne...

Page 38: ...ect System Commands At the system commands page click on Save All 4 7 4 Update Gateway You can remotely upgrade the gateway s firmware by going to the Home screen under the tools title click Update Gateway This will bring up the screen shown in Figure 27 ATU R140 ADSL Gateway will provide two different images one image is the kernel operating system and the other image is the file system To upgrad...

Page 39: ...ing itself 3 times As shown in Figure 28 the gateway passed the Ping test this basically means that the TCP IP protocol is up and running If this first Ping test does not pass the TCP IP protocol is not loaded for some reason you should restart the modem Figure 28 Ping test 4 7 6 Modem Test The Modem Test is used to check whether your Modem is properly connected to the WAN Network This test may ta...

Page 40: ...lay the gateway s driver and run time information by going to the Home screen under the Status title click Product Information Figure 29 illustrates the typical product information which is provided Figure 29 Product Information 4 8 6 System Log You can display the Gateway s log by going to the Home screen under the Status title click System log From here you can view all logged information Depend...

Page 41: ...ls 2 Make sure you are not connecting the USB and the Ethernet port at the same time You must only use 1 interface at a time 3 Make sure that your PC and the gateway is on the same network segment The gateway s default IP address is 192 168 1 1 If you are running a Windows based PC you can open a DOS window and type IPCONFIG make sure that the network adapter that is connected to the gateway is wi...

Page 42: ... for further assistance 5 5 The DSL Link LED is always off 1 Make sure you have DSL service You should get some kind of information from your ISP which states that DSL service is installed You can usually tell if the service is installed by listening to the phone line you will hear some high pitched noise If you do not hear high pitched noise contact your ISP 2 Verify that the phone line is connec...

Page 43: ...Suppose that you want to run a web server or a game server Normal servers like these are blocked from working by the NAT functionality The solution is to isolate the single local computer into a DMZ This makes the single computer look like it is directly on the Internet and others can access this machine Your machine isn t really directly connected to the Internet and it really has an internal loc...

Page 44: ...ATU R140 ADSL Ethernet USB Router User s Guide 44 ...

Page 45: ......

Page 46: ...ries CTC Union Technologies Co Ltd Far Eastern Vienna Technology Center Neihu Technology Park 8F No 60 Zhouzi Street Neihu Taipei Taiwan Phone 886 2 2659 1021 Fax 886 2 2799 1355 E mail info ctcu com http www ctcu com ...

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