Comtrend Corporation CT-5071T User Manual
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Comtrend Corporation CT-5071T User Manual

Adsl2+ ethernet router
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CT-5071T
ADSL2+ Ethernet Router

User Manual

Version A3.3, December 22, 2008
261063-018

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Summary of Contents for Comtrend Corporation CT-5071T

  • Page 1: User Manual

    CT-5071T ADSL2+ Ethernet Router User Manual Version A3.3, December 22, 2008 261063-018...
  • Page 2 Copyright Copyright©2008 Comtrend Corporation. All rights reserved. The information contained herein is proprietary to Comtrend Corporation. No part of this document may be translated, transcribed, reproduced, in any form, or by any means without prior written consent of Comtrend Corporation.

  • Page 3: Table Of Contents

    Table of Contents CHAPTER 1 INTRODUCTION......................4 1.1 F ............................4 EATURES 1.2 A ...........................4 PPLICATION CHAPTER 2 INSTALLATION......................5 2.1 H ...........................5 ARDWARE ETUP 2.2 R ........................6 OUTER TAND ETUP 2.3 LED I ..........................7 NDICATORS CHAPTER 3 WEB USER INTERFACE....................8 3.1 D .........................8 EFAULT ETTINGS...
  • Page 4 CHAPTER 8 MANAGEMENT ......................61 8.1 S ............................61 ETTINGS 8.1.1 Backup Settings.......................61 8.1.2 Update Settings.......................61 8.1.3 Restore Default .......................62 8.2 S ..........................63 YSTEM 8.3 SNMP A ..........................65 GENT 8.4 TR-069 C ..........................65 LIENT 8.5 I ..........................66 NTERNET 8.6 A .........................67 CCESS ONTROL 8.6.1 Services...........................67...

  • Page 5: Chapter 1 Introduction

    Ethernet port and one ADSL2+ port for broadband Internet access. The CT-5071T also has a TR-068 compliant rear panel and LED indicators for easy installation and use. It supports LAN or Video on Demand at speeds of up to 24 Mbps over a regular telephone line.

  • Page 6: Chapter 2 Installation

    2.3 LED Indicators for details). NOTE: If pressed down for more than 20 seconds, the CT-5071T will go into a firmware update state (CFE boot mode). The firmware can then be updated using an Internet browser pointed to the default IP address.

  • Page 7: Router Stand Setup

    2.2 Router Stand Setup The router stand can be used to save workspace. As shown in the figure below, simply slide the router into the notches on the stand and position vertically. NOTE: Be careful to place the router (and stand) on a flat stable surface. Avoid locations where it is likely to be knocked over or fall down.

  • Page 8: Led Indicators

    2.3 LED Indicators The front panel LED indicators are shown below and explained in the following table. This information can be used to check the status of the device and its connections. Color Mode Function LAN LINK Green An Ethernet Link is established. An Ethernet Link is not established.

  • Page 9: Chapter 3 Web User Interface

    Chapter 3 Web User Interface This section describes how to access the device via the web user interface (WUI) using an Internet browser such as Internet Explorer (version 5.0 and later). 3.1 Default Settings The factory default settings of this device are summarized below. •...

  • Page 10: Ip Configuration

    3.2 IP Configuration STATIC IP MODE To access router settings, your PC must have a static IP address within the 192.168.1.x subnet. Follow the steps below to configure your PC IP address to use subnet 192.168.1.x. The following steps assume you are running Windows XP. 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).

  • Page 11: Login Procedure

    DHCP MODE Set your PC to DHCP mode by selecting Obtain an IP address automatically in the Internet Protocol Properties dialog box, as shown below. 3.3 Login Procedure Perform the following steps to login to the web user interface. NOTE: The default settings can be found in section 3.1.
  • Page 12 Click OK to continue. NOTE: The login password can be changed later (section 8.6.3 Passwords) STEP 3: After successfully logging in for the first time, you will reach this screen. NOTE1: If a PVC connection already exists then this Quick Setup screen will be bypassed and the Device Info –...

  • Page 13: Chapter 4 Quick Setup

    If the service provider provides PPPoE service, then the connection selection depends on whether the LAN-side device (typically a PC) is running a PPPoE client or whether the CT-5071T is to run the PPPoE client. The CT-5071T can support both cases simultaneously.

  • Page 14: Auto Quick Setup

    Step 2: Click Next to start the setup process. Follow the online instructions to complete the setting. This procedure will skip some advanced setup procedures (such as PVC index and encapsulation selection). Step 3: After the setup is complete the CT-5071T will reboot. NOTE: After the device reboots, the Device Info –...

  • Page 15: Manual Quick Setup

    4.2 Manual Quick Setup STEP 1: Click Quick Setup and un-tick the DSL Auto-connect checkbox enable manual configuration of the connection type. Un-tick this checkbox to enable manual setup and display the following screen. STEP 2: Adjust the VPI/VCI settings for the connection you wish to establish. You may also Enable Quality of Service (QoS) with its checkbox STEP 3: On this screen, you can choose the connection type and select the appropriate encapsulation mode.
  • Page 16 Click Next to continue… NOTE: The subsections that follow continue the ATM PVC setup procedure. Enter the appropriate settings for your service. Choosing different connection types will lead to a different sequence of setup screens.

  • Page 17: Ppp Over Atm (Pppoa) And Ppp Over Ethernet (Pppoe)

    For Authentication Method, choose from AUTO, PAP, CHAP, and MSCHAP. Dial on Demand The CT-5071T can be configured to disconnect if there is no activity for a period of time by selecting the Dial on demand check box. When the checkbox is ticked, you must enter an inactivity timeout period of 1 to 4320 minutes.
  • Page 18 device has only a single IP address to assign to a LAN device. • NAT and firewall are disabled when this option is selected. • The device becomes the default gateway and DNS server to the PC through DHCP using the LAN interface IP address. •...
  • Page 19 Enable IGMP Multicast Tick the checkbox to enable IGMP 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 Tick the checkbox to enable the WAN service.
  • Page 20 This screen allows for the configuration of the CT-5071T LAN interface IP address, subnet mask and DHCP server. To auto-assign IP addresses, DNS server and default gateway to other LAN devices, select the Enable DHCP server radio box. You must also enter the start and end IP address and DHCP leased time.

  • Page 21: Mac Encapsulation Routing (Mer)

    4.2.2 MAC Encapsulation Routing (MER) STEP 4: Enter the WAN IP settings as provided by your ISP. DHCP can be enabled if the Obtain an IP address automatically checkbox checked. Configuring the default gateway or the DNS with static values will disable the automatic assignment from DHCP or other WAN connection.
  • Page 22 Service Name is user-defined. STEP 6: Upon completion, click Next. The following screen appears. This screen allows for the configuration of the CT-5071T LAN interface IP address, subnet mask and DHCP server. To auto-assign IP addresses, DNS server and default gateway to LAN devices, select the Enable DHCP server radio box. You must also enter the start and end IP address and DHCP leased time.
  • Page 23 The Web UI will not respond until the system is brought up again. After the system is up, the Web UI will refresh to the Device Info screen automatically. The CT-5071T is ready for operation when the front panel LED indicators display as described in section 2.3 LED...

  • Page 24: Ip Over Atm

    4.2.3 IP Over ATM STEP 4: Enter the WAN IP settings as provided by your ISP. Since DHCP is not supported over IPoA, the default gateway settings and DNS server addresses must be entered here. These should be provided by your ISP. STEP 5: Click Next to display the following screen.
  • Page 25 Service Name is user-defined. STEP 6: Upon completion, click Next. The following screen appears. This screen allows for the configuration of the CT-5071T LAN interface IP address, subnet mask and DHCP server. To auto-assign IP addresses, DNS server and default gateway to LAN devices, select the Enable DHCP server radio box. You must also enter the start and end IP address and DHCP leased time.
  • Page 26 The Web UI will not respond until the system is brought up again. After the system is up, the Web UI will refresh to the Device Info screen automatically. The CT-5071T is ready for operation when the front panel LED indicators display as described in section 2.3 LED...

  • Page 27: Bridging

    Enter the IP address and subnet mask for the LAN interface. These settings are used to manage the CT-5071T. In bridge mode, there is no WAN IP address and therefore no remote access to the router for technical support or other purposes.
  • Page 28 The Web UI will not respond until the system is brought up again. After the system is up, the Web UI will refresh to the Device Info screen automatically. The CT-5071T is ready for operation when the front panel LED indicators display as described in section 2.3 LED...

  • Page 29: Chapter 5 Device Information

    Chapter 5 Device Information The web user interface is divided into two windowpanes, the main menu (at left) and the display screen (on the right). The main menu has several options and selecting each of these options opens a submenu with more selections. NOTE: The menu items shown are based upon the configured connection and user account privileges.

  • Page 30: Wan

    5.1 WAN Select WAN from the Device Info submenu to display the configured PVC(s). Heading Description VPI/VCI ATM VPI (0-255) / VCI (32-65535) Con. ID WAN connection ID number Category ATM service category Service Name of the WAN connection Interface Name of the interface for WAN Protocol Shows the connection type...

  • Page 31: Lan Statistics

    5.2.1 LAN Statistics This screen shows data traffic statistics for each LAN interface. Heading Description Interface LAN interface(s) Received/Transmitted: - Bytes Number of Bytes - Pkts Number of Packets - Errs Number of packets with errors - Drops Number of dropped packets 5.2.2 WAN Statistics Heading...

  • Page 32: Atm Statistics

    5.2.3 ATM statistics The following figure shows the ATM statistics screen. ATM Interface Statistics Heading Description In Octets Number of received octets over the interface Out Octets Number of transmitted octets over the interface In Errors Number of cells dropped due to uncorrectable HEC errors In Unknown Number of received cells discarded during cell header validation, including cells with unrecognized VPI/VCI values, and cells with...
  • Page 33 Out Errors Number of received AAL5/AAL0 CPCS PDUs that could not 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 currently used AAL5 VCC Statistics Heading Description...

  • Page 34: Adsl Statistics

    5.2.4 ADSL Statistics The following figure shows the ADSL Statistics screen in G.Dmt mode. Click the Reset Statistics button to refresh this screen.
  • Page 35 Field Description Mode G.Dmt, G.lite, T1.413, ADSL2, ADSL2+ Type Channel type Interleave or Fast Line Coding Trellis On/Off Status Lists the status of the DSL link Link Power State Link output power state. SNR Margin (dB) Signal to Noise Ratio (SNR) margin Attenuation (dB) Estimate of average loop attenuation in the downstream direction.
  • Page 36 Within the ADSL Statistics window, a Bit Error Rate (BER) test can be started using the ADSL BER Test button. A small window will open when the button is pressed; it will appear as shown below. Click Start to start the test or Close. If the test is successful, the pop-up window will display as follows.

  • Page 37: Route

    5.3 Route Choose Route to display the routes that the CT-5071T has found. Field Description Destination Destination network or destination host Gateway Next hub IP address Subnet Mask Subnet Mask of Destination Flag U: route is up !: reject route...

  • Page 38: Arp

    5.4 ARP Click ARP to display the ARP information. Field Description IP address Shows IP address of host pc Flags Complete, Incomplete, Permanent, or Publish HW Address Shows the MAC address of host pc Device Shows the connection interface 5.5 DHCP Click DHCP to display all DHCP Leases.

  • Page 39: Chapter 6 Advanced Setup

    Chapter 6 Advanced Setup This chapter explains the following screens: 6.1 WAN 6.6 Routing 6.2 LAN 6.7 DNS 6.3 NAT 6.8 DSL 6.4 Security 6.9 Certificate 6.5 Quality of Service 6.1 WAN This screen allows for the configuration of WAN interfaces. To Add a new WAN connection, click Add.

  • Page 40: Lan

    6.2 LAN From this screen, LAN interface settings can be configured. NOTE: NAT is enabled so UPnP is shown above (see underlined notes below). Consult the field descriptions below for more details. IP Address: Enter the IP address for the LAN port. Subnet Mask: Enter the subnet mask for the LAN port.

  • Page 41: Nat

    IP Address: Enter the secondary IP address for the LAN port. Subnet Mask: Enter the secondary subnet mask for the LAN port. NOTE: The Save button simply saves changes, while the Save/Reboot button both saves and reboots the device to make any changes effective. 6.3 NAT To display this option, NAT must be enabled in at least one PVC shown on the Advanced Setup - WAN...
  • Page 42 Consult the table below for field and header descriptions. Field/Header Description Select a Service User should select the service from the list. Custom Server User can enter the name of their choice. Server IP Address Enter the IP address for the server. External Port Start Enter the starting external port number (when you select Custom Server).

  • Page 43: Port Triggering

    6.3.2 Port Triggering Some applications require that specific ports in the firewall be opened for access by the remote parties. Port Triggers dynamically 'Open Ports' in the firewall when an application on the LAN initiates a TCP/UDP connection to a remote party using the 'Triggering Ports'.

  • Page 44: Dmz Host

    Trigger Port Start Enter the starting trigger port 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 application). When an application is selected, the port ranges are automatically configured.

  • Page 45: Security

    NOTE: This ALG is only valid for SIP protocol running on UDP port 5060. 6.4 Security To display this function, you must enable the firewall feature in WAN Setup. For detailed descriptions, with examples, please consult Appendix A – Firewall. 6.4.1 IP Filtering This screen sets filter rules that limit IP traffic (Outgoing/Incoming).
  • Page 46 To add a filter (to block some outgoing IP traffic), click the Add button. On the following screen, enter your filter criteria and then click Save/Apply. Consult the table below for field descriptions. Field Description Filter Name The filter rule label Protocol TCP, TCP/UDP, UDP, or ICMP.

  • Page 47: Mac Filtering

    Each network device has a unique 48-bit MAC address. This can be used to filter (block or forward) packets based on the originating device. MAC filtering policy and rules for the CT-5071T can be set according to the following procedure. The MAC Filtering Global Policy is defined as follows. FORWARDED means that all MAC layer frames will be FORWARDED except those matching the MAC filter rules.
  • Page 48 Choose Add or Remove to configure MAC filtering rules. The following screen will appear when you click Add. Create a filter to identify the MAC layer frames by specifying at least one condition below. If multiple conditions are specified, all of them must be met.

  • Page 49: Parental Control

    6.4.3 Parental Control This feature restricts access from a LAN device to an outside network through the device on selected days at certain times. Make sure to activate the Internet Time server synchronization as described in section 8.5, so that the scheduled times match your local time.

  • Page 50: Quality Of Service

    6.5 Quality of Service NOTE: QoS must be enabled in at least one PVC to display this option. (see Advanced Setup - WAN for further instructions). Choose Add to configure network traffic classes. The following screen will display. Field Description Traffic Class Name Enter name for traffic class.
  • Page 51 Mark 802.1p if 802.1q is Select between 0-7. The higher the digit shows enabled on WAN the higher the priority. SET-1 Protocol TCP, TCP/UDP, UDP, or ICMP. Source IP Address Enter the source IP address. Source Subnet Mask Enter the subnet mask for the source IP address. UDP/TCP Source Port (port or Enter source port number or port range.

  • Page 52: Routing

    Source MAC Address A packet belongs to SET-1, if a binary-AND of its source MAC address with the Source MAC Mask is equal to the binary-AND of the Source MAC Mask and this field. Source MAC Mask This is the mask used to decide how many bits are checked in Source MAC Address.

  • Page 53: Static Route

    6.6.2 Static Route This option allows for the configuration of static routes. Click Add to create a new static route. Click Remove to delete the selected static route. Click the Add button to display the following screen. Enter Destination Network Address, Subnet Mask, Gateway IP Address, and/or WAN Interface.

  • Page 54: Dns Server

    You must reboot the router to make the new configuration effective. 6.7.2 Dynamic DNS The Dynamic DNS service allows you to map a dynamic IP address to a static hostname in any of many domains, allowing the CT-5071T to be more easily accessed from various locations on the Internet.
  • Page 55 To add a dynamic DNS service, click Add. The following screen will display. Consult the table below for field descriptions. Field Description D-DNS provider Select a dynamic DNS provider from the list Hostname Enter the name for the dynamic DNS server Interface Select the interface (PVC) from the list Username...

  • Page 56: Dsl

    6.8 DSL The DSL Settings screen allows for the selection of DSL modulation modes. For optimum performance, the modes selected should match those of your ISP. DSL Mode Data Transmission Rate - Mbit/s (Megabits per second) G.Dmt Downstream: 12 Mbit/s Upstream: 1.3 Mbit/s G.lite Downstream:...

  • Page 57: Certificate

    6.9 Certificate A certificate is a public key, attached with its owner’s information (company name, server name, personal real name, contact e-mail, postal address, etc) and digital signatures. There will be one or more digital signatures attached to the certificate, indicating that these entities have verified that this certificate is valid.
  • Page 58 Field Description Certificate Name A user-defined name for the certificate. Common Name Usually, the fully qualified domain name for the machine. Organization Name The exact legal name of your organization. Do not abbreviate. State/Province Name The state or province where your organization is located. It cannot be abbreviated.

  • Page 59: Trusted Ca

    6.9.2 Trusted CA CA is an abbreviation for Certificate Authority, which 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 encryption/decryption. Its purpose is to sign and issue certificates, in order to prove that these certificates are valid.

  • Page 60: Chapter 7 Diagnostics

    Chapter 7 Diagnostics Diagnostics screens for PPPoE and Bridge connection types are shown below. PPPoE Connection Bridge Connection General Information The Diagnostics menu provides feedback on the connection status of the device. The individual tests are listed below. If a test displays a fail status, click Rerun Diagnostic Tests at the bottom of the screen to retest and confirm the error.
  • Page 61 ADSL Pass: Indicates that the CT-5071T has detected a DSL signal Synchronization from the telephone company. Fail: Indicates that the CT-5071T does not detect a DSL signal from the telephone company. * This device does not have a USB port.

  • Page 62: Chapter 8 Management

    Chapter 8 Management The Management menu has the following maintenance functions and processes: 8.1 Settings 8.5 Internet Time 8.2 System Log 8.6 Access Control 8.3 SNMP Agent 8.7 Update Software 8.4 TR-069 Client 8.8 Save and Reboot 8.1 Settings This includes Backup Settings, Update...

  • Page 63: Restore Default

    PC IP configuration to match your new settings. NOTE: This entry has the same effect as the Reset button. The CT-5071T board hardware and the boot loader support the reset to default. If the Reset button is continuously pressed for more than 5 seconds, the boot loader...

  • Page 64: System Log

    “Emergency” down to this configured level will be recorded to the log buffer on the CT-5071T SDRAM. When the log buffer is full, the newer event will wrap up to the top of the log buffer and overwrite the old event.
  • Page 65 By default, the log level is “Debugging”, which is the lowest critical level. The log levels are defined as follows: • Emergency = system is unusable • Alert = action must be taken immediately • Critical = critical conditions • Error = Error conditions •...

  • Page 66: Snmp Agent

    8.3 SNMP Agent Simple Network Management Protocol (SNMP) allows a management application to retrieve statistics and status from the SNMP agent in this device. Select the Enable radio button, configure options, and click Save/Apply to activate SNMP. 8.4 TR-069 Client WAN Management Protocol (TR-069) allows an Auto-Configuration Server (ACS) to perform auto-configuration, provision, collection, and diagnostics to this device.

  • Page 67: Internet Time

    of a valid HTTP or HTTPS URL. An HTTPS URL indicates that the ACS supports SSL. The “host” portion of this URL is used by the CPE for validating the certificate from the ACS when using certificate-based authentication. ACS User Name Username used to authenticate the CPE when making a connection to the ACS using the CPE WAN Management Protocol.

  • Page 68: Access Control

    8.6 Access Control 8.6.1 Services This option controls the access services over the LAN or WAN. These services include FTP, HTTP, ICMP, SNMP, SSH, TELNET, TFTP, and TR69C (TR-069 client). Enable a service by ticking the corresponding checkbox under LAN or WAN. NOTES - 1.

  • Page 69: Passwords

    Passwords This screen is used to configure the user account access passwords for the device. Access to the CT-5071T is controlled through the following three user accounts: • root - this has unrestricted access to change and view the configuration.

  • Page 70: Update Software

    NOTE: Passwords must be 16 characters or less. 8.7 Update Software This option allows for firmware upgrades from a locally stored file. Step 1: Obtain an updated software image file from your ISP. Step 2: Enter the path and filename of the firmware image file in the Software File Name field or click the Browse button to locate the image file.

  • Page 71: Save And Reboot

    8.8 Save and Reboot To save the current configuration and reboot the router, click Save/Reboot. NOTE: You may need to close the browser window and wait for 2 minutes before reopening it. It may also be necessary, to reset your PC IP configuration.

  • Page 72: Appendix A - Firewall

    Appendix A – Firewall STATEFUL PACKET INSPECTION Refers to an architecture, where the firewall keeps track of packets on each connection traversing all its interfaces and makes sure they are valid. This is in contrast to static packet filtering which only examines a packet based on the information in the packet header.
  • Page 73 Example 2: Filter Name : Out_Filter2 Protocol : UDP Source Address : 192.168.1.45 Source Subnet Mask : 255.255.255.0 Source Port : 5060:6060 Dest. Address : 172.16.13.4 Dest. Subnet Mask : 255.255.255.0 Dest. Port : 6060:7070 This filter will drop all UDP packets coming from the LAN with IP Address / Subnet Mask of 192.168.1.45/24 and a source port range of 5060 to 6060, destined to 172.16.13.4/24 and a destination port range of 6060 to 7070.
  • Page 74 Example 2: Filter Name : In_Filter2 Protocol : UDP Source Address : 210.168.219.45 Source Subnet Mask : 255.255.0.0 Source Port : 5060:6060 Dest. Address : 192.168.1.45 Dest. Sub. Mask : 255.255.255.0 Dest. Port : 6060:7070 This rule will ACCEPT all UDP packets coming from WAN interface mer_0_35/nas_0_35 with IP Address/Subnet Mask 210.168.219.45/16 and a source port in the range of 5060 to 6060, destined to 192.168.1.45/24 and a destination port in the range of 6060 to 7070.
  • Page 75 DAYTIME PARENTAL CONTROL This feature restricts access of a selected LAN device to an outside Network through the CT-5071T, as per chosen days of the week and the chosen times. User Name: Name of the Filter. Browser’s MAC Address: Displays MAC address of the LAN device on which the browser is running.

  • Page 76: Appendix B - Pin Assignments

    Appendix B – Pin Assignments LINE PORT (RJ11) Definition Definition ADSL_TIP ADSL_RING LAN Port (RJ45) Definition Definition Transmit data+ Transmit data- Receive data- Receive data+...

  • Page 77: Appendix C - Specifications

    Appendix C – Specifications Hardware Interface RJ-11 X1 for ADSL2+, RJ-45 X 1 for LAN, Power Switch X 1, Power Jack X 1, , Reset Button X 1 WAN Interface ITU-T G.994.1/G.992.5/G.992.3/G.992.2/G.992.1, ANSI T1.413 Issue 2 G.992.5 (ADSL2+) ..Downstream : 24 Mbps Upstream : 1.3 Mbps G.992.3 (ADSL2) ..
  • Page 78 Dimensions ........92 mm (W) x 34 mm (H) x 114 mm (D) Kit Weight = 0.65 kg (1*CT-5071T, 1*RJ11 cable, 1*RJ45 cable, 1*power adapter, 1*CD-ROM) Certifications ..........FCC Part 15 class B, FCC Part 68 NOTE: Specifications are subject to change without notice...

  • Page 79: Appendix D - Ssh Client

    Appendix D – SSH Client Unlike Microsoft Windows, Linux OS has a ssh client included. For Windows users, there is a public domain one called “putty” that can be downloaded from here: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html To access the ssh client you must first enable SSH access for the LAN or WAN from the Management Access Control Services menu in the web user interface.

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