User manual COMTREND CT-5611

[. . . ] ADSL2+ Combo Router User Manual Version A2. 0, August 12, 2008 261070-012 Preface This manual provides information related to the installation, operation, and application of this device. The individual reading this manual is presumed to have a basic understanding of telecommunications terminology and concepts. If you find the product to be inoperable or malfunctioning, please contact technical support for immediate service by email at INT-support@comtrend. com For product update, new product release, manual revision, or software upgrades, please visit our website at http://www. comtrend. com Important Safety Instructions With reference to unpacking, installation, use and maintenance of your electronic device, the following basic guidelines are recommended: Do not use or install this product near water, to avoid fire or shock hazard. For example, near a bathtub, kitchen sink or laundry tub, or near a swimming pool. [. . . ] The NAT submenu on the left side main panel will be displayed after reboot. The user can then configure NAT-related features after the system comes up. If a private IP address is not used on the LAN side (i. e the LAN side is using a public IP), this checkbox should be de-selected. When the system comes back after reboot, the NAT submenu will not be displayed on the left main panel. Enable Firewall checkbox If the firewall checkbox is selected, the security submenu on the left side main panel will be displayed after system reboot. The user can then 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, the Security submenu will not be displayed on the left main panel. 6. The Device Setup page allows the user to configure the LAN interface IP address and DHCP server if the user would like this ADSL router to assign dynamic IP addresses, DNS server and default gateway to other LAN devices. Select the button Enable DHCP server on the LAN to enter the starting IP address and end IP address and DHCP lease time. Note: If the NAT function is enabled, this DHCP Server Relay won't be displayed as an option. 44 The user must configure the IP Address and the Subnet Mask. To use the DHCP service on the LAN, select the Enable DHCP server checkbox, and enter the Start IP addresses, the End IP address and DHCP lease time. This configures the router to automatically assign IP addresses, default gateway address and DNS server addresses to each of your PCs. Note that the router's default IP address is 192. 168. 1. 1 and the default private address range provided by ISP server in the router is 192. 168. 1. 2 through 192. 168. 1. 254. The WAN Setup-Summary screen presents the entire configuration summary. After clicking Save/Reboot, the router will save the configuration to the flash memory, and reboot. After the system is up, the Web UI will refresh to the Device Info page automatically. The Router is ready for operation and the LEDs display as described in the LED description tables. 45 5. 2. 4 Bridging Select the bridging mode. To use the bridge service, tick the checkbox, Enable Bridge Service, and enter the service name. 5. The LAN IP interface in bridge operating mode is needed for local users to manage the ADSL router. Notice that there is no IP address for the WAN interface in bridge mode, and the remote technical support cannot access the ADSL router. 6. Click the Next button The following screen will be displayed. 46 The WAN Setup-Summary screen presents the entire configuration summary. Click Back if you wish to modify the settings. 47 Chapter 6 Advanced Setup This chapter explains: WAN, LAN, Routing, DSL and Port Mapping. . . . . . VPI/VCI Con. [. . . ] Port : In_Filter1 : TCP : 210. 168. 219. 45 : 255. 255. 0. 0 : 80 :NA : NA : NA Selected WAN interface: mer_0_35/nas_0_35 This filter will ACCEPT all TCP packets coming from WAN interface mer_0_35/nas_0_35 with IP Address/Sub. Mask 210. 168. 219. 45/16 having a source port of 80 irrespective of the destination. Filter Name Protocol Source Address Source Subnet Mask Source Port Dest. Port : In_Filter2 : UDP : 210. 168. 219. 45 : 255. 255. 0. 0 : 5060:6060 :192. 168. 1. 45 : 255. 255. 255. 0 : 6060:7070 This rule will ACCEPT all UDP packets coming from WAN interface mer_0_35/nas_0_35 with IP Address/Sub. 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. [. . . ]