Getnet Router GA-121A User Manual
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GA-121A User Manual 28 Field Description access the Internet normally, you must add a route on the uplink equipment. Otherwise, the access to the Internet fails. Normally, it is required to enable NAPT. Enabel IGMP You can enable or disable IGMP function. PPP Settings User Name The correct user name that your ISP has provided to you. Password The correct password that your ISP has provided to you. Type You can choose Continuous, Connect on Demand , or Manual. Idle Time (min) If select connect on demand, you need to enter the idle timeout time. Within the preset minutes, if the router does not detect the flow of the user continuously, the router automatically disconnects the PPPoE connection. WAN IP Settings Type You can choose Fixed IP or DHCP . If select fixed IP, you should enter the local IP address, remote IP address and subnet mask. If set to use DHCP, the router is a DHCP client, the WAN IP address is assigned by the remote DHCP server. Local IP Address It is the IP address of WAN interface that is provided by your ISP. Remote IP Address This is the gateway IP address that is provided by your ISP. Netmask It is the subnet mask of the local IP address. Unnumbered Select this checkbox to enable IP Unnumbered function. Add After configuring the parameters of this page, click it to add a new PVC into the current ATM
GA-121A User Manual Field Description VC table. Modify Select a PVC in the current ATM VC table, then modify the parameters of this PVC. After finishing, click it to apply the change of this PVC. Current ATM VC Table This table shows the existed PVCs. It shows the Interface name, channel mode, VPI/VCI, encapsulation mode, local IP address, remote IP address and other information. The maximum item of this table is eight. Click it, the PPP Interface-Modify page appears. You can modify the PVCs’ parameters. Click in the PPPoE mode. The page shown in the following figure appears. In this page, you can configure parameters of this PPPoE PVC. The following table describes the parameters and buttons of this page: Field Description Protocol The protocol type used for this WAN 29
GA-121A User Manual 30 Field Description connection. ATM VCC The ATM virtual circuit connection assigned for this PPP interface (VPI/VCI). Login Name The login name provided by your ISP. Password The password provided by your ISP. Authentication MethodYou can choose AUTO, CHAP , or PAP . Connection Type You can choose Continuous, Connect on Demand , or Manual. Idle Time (s) If choose Connect on Demand, you need to enter the idle timeout time. Within the preset minutes, if the router does not detect the flow of the user continuously, the router automatically disconnects the PPPoE connection. Bridge You can choose Bridged Ethernet , Bridged PPPoE , or Disable Bridge. AC-Name The accessed equipment type. Service-Name The service name. Apply Changes Click it to save the settings of this page. Return Click it to return to the WAN Interface page. Undo Click it to refresh this page. 3.4.2.2 ATM Setting Click ATM Setting in the left pane. The page shown in the following figure appears. In this page, you can configure the para meters of the ATM, including QoS, PCR, CDVT, SCR, and MBS
GA-121A User Manual The following table describes the parameters and buttons of this page: Field Description VPI The virtual path identifier of the ATM PVC. VCI The virtual channel identifier of the ATM PVC. QoS The QoS category of the PVC. You can choose UBR , CBR , rt-VBR , or nrt-VBR . PCR The maximum rate at which cells can be transported along a connection in the ATM network. CDVT The amount of delay permitted between ATM cells (expressed in microseconds). SCR The maximum rate that traffic can pass over a PVC without the risk of cell loss. MBS The maximum number of cells that can be transmitted at the PCR. Apply Changes Click it to save the settings of this page. Undo Click it to refresh this page. 3.4.2.3 ADSL Setting Click ADSL Setting in the left pane. The page shown in the following figure appears. In this pae, you can select the DSL modulation. Mostly, you need to remain this factory default settings. The router supports these modulations: G.lite, G. D m t , 31
GA-121A User Manual T1.413, ADSL2, ADSL2+ , AnnexL , and AnnexM . The router negotiates the modulation modes with the DSLAM. 3.5 Service In the navigation bar, choose Service. The Service page that is displayed contains DNS, Firewall , UPNP, IGMP Proxy , TR069, and ACL. 3.5.1 DNS Choose Service > DNS . The DNS page that is displayed contains DNS and DDNS . 3.5.1.1 DNS Click DNS in the left pane. The page shown in the following figure appears. Domain name system (DNS) is an Internet service that translates the domain name into IP address. Because the dom ain name is alphabetic, it is easier to remember. The Internet, however, is based on IP addresses. Every time you use a domain name, a DNS service translate s the name into the corresponding IP address. For example, the domain name www.example.com might translate to 198.105.232.4. The DNS system has its own network. If one DNS server does not know how to translate a particular domain name, it asks another one, and so on, until the correct IP address is returned. 32
GA-121A User Manual The following table describes the parameters and buttons of this page: Field Description Attain DNS Automatically Select it, the router accepts the first received DNS assignment from one of the PPPoA, PPPoE or MER enabled PVC(s) during the connection establishment. Set DNS Manually Select it, enter the primary and optional secondary DNS server IP addresses. Apply Changes Click it to save the settings of this page. Reset Selected Click it to refresh this page. 3.5.1.2 DDNS Click DDNS in the left pane. The page shown in the following figure appears. 33
GA-121A User Manual The following table describes the parameters of this page: Field Description DDNS provider Choose the DDNS provider name. Hostname The DDNS identifier. Interface The WAN interface of the router. Enable Enable or disable DDNS function. Username The name provided by DDNS provider. Password The password provided by DDNS provider. Email The email provided by DDNS provider. Key The key provided by DDNS provider. 3.5.2 Firewall Choose Service > Firewall . The Firewall page that is displayed contains IPPort Fileter , MAC Filter , URL Blocking , Virtual Server, DMZ Setting, ALG Setting , and DoS Setting . 34
GA-121A User Manual 3.5.2.1 IPPort Filter Click IPPort Filter in the left pane. The page shown in the following figure appears. Entries in this table are used to restrict certain types of data packets through the gateway. These filters are helpful in securing or restricting your local network. Click Apply Changes to save the settings of this page. Click Add to add a new rule of the IP/Port filter. 3.5.2.2 MAC Filter Click MAC Filter in the left pane. The page shown in the following figure appears. Entries in this table are used to restrict certain types of data packets from your local network to Internet through the gateway. These filters are helpful in securing or restricting your local network. 35
GA-121A User Manual Click Apply Changes to save the settings of this page. Click Add to add a new rule of the MAC filter. 3.5.2.3 URL Blocking Click URL Blocking in the left pane. The page shown in the following figure appears. This page is used to block a fully qualified domain name (FQDN), such as tw.yahoo.comand and filtered keyword. You can add or delete FQDN and filtered keyword. 36
GA-121A User Manual The following table describes the parameters and buttons of this page: Field Description URL Blocking Capability You can choose Disable or Enable . Choose Disabled to turn off URL blocking and keyword filtering. Choose Enable to block access to the URLs and keywords specified in the URL Blocking Table and Keyword Filtering Table . Apply Changes Click it to save the settings of this page. Keyword The keyword to block. Add Keyword Click it to add the keyword to the keyword filtering table. Delete Selected Keyword Select a row in the Keyword Filtering Table and click it to delete the row. URL Blocking Table A list of the URL (s) to which access is blocked. 3.5.2.4 Virtual Server Click Virtual Server in the left pane. The page shown in the following figure appears. 37