OzCableguy.com - SpeedTouch Modem FAQs

A1: Please refer to the User Guide available for download at http://www.speedtouchdsl.com/support.htm for both USB and Ethernet installation. If the SpeedTouch menu shown on the user guide does not appear automatically, search the file Menu.exe on the CD and run it.

Q2: How can I install the 510 or 530 on a non-Windows operating system?

A2: You need to upload the configuration from the Setup page of the modem Web interface as described in the User Guide.

If you have some parameters supplied by your ISP (user name, password, IP addresses), you need to enter these parameters from the modem Web interface after uploading.

To upload a configuration file:

select the suitable ini file as described in Q2.

upload the file from the modem Web interface

To enter the user name and the password

if your ISP has provided a user name and password for your ppp connection, go to Basic - Connect page

Click Disconnect

Enter the user name and password

Click Connect

Click Save All

To enter the LAN address of the modem

If you have a public IP address range allocated by your ISP for your LAN or you have a private LAN that is not in the 10.0.0.0 subnet, go to Advanced � Static Routing page

On the IP address table, click New

Leave the interface as Eth0

Enter the address that you want to assign to your modem and your LAN subnet mask

Click Apply

Click Save All

Enter the address assigned to the LAN port of your modem as the gateway address on all your PCs

Browse to the modem with the new address

Go to Advanced � Static Routing page

On the IP address table, select 10.0.0.138 entry and click Delete

Click Save All

To enter the WAN address of the modem and remote address of your connection

If you have an ipoa connection, you will have a local and a remote address assigned to your connection by your ISP. You may also have a fixed local and remote IP address assigned to your pppoa connection by your ISP. To enter these addresses, go to Advanced � Static Routing page

On the IP address table, click New

Select ipoa or pppoa as the Interface

Enter the local IP address

Select Translation �pat� if you have a private LAN or leave it as �none� if you have public IP address range assigned by your ISP for your LAN

Click Apply

In the IP route table, click New

Enter the remote IP address as destination

Enter the local IP address as source

Select ipoa or pppoa as the Interface

Click Apply

Repeat the route table entry for the ipoa or pppoa Interface with these source and destination addresses:

Destination = remote IP address/32 Source = 0.0.0.0/0
Destination = 0.0.0.0/0 Source = 0.0.0.0/0

Click Save All

Q3: How do I know which configuration to select?

A3: There are 11 different configurations supplied on this Web site. The most common configuration is the Routed PPPoA configuration under Home. It is suitable if your ISP dynamically allocates a single IP address to your pppoa connection with vc-mux encapsulation. The other configuration under Home is suitable if your ISP dynamically allocates a single IP address to your pppoe connection with llc encapsulation. The others are suitable if you have static public IP address or addresses allocated by your ISP or you already have a private LAN and you do not want to change the addresses of the PCs. You can download the configuration and select it by browsing to it by clicking the �Have Disk� button during installation from the CD.

Home � Routed PPPoA � DHCP � NAT (RtPPPoA.ini): Your ISP provides a user name and a password. Your PCs are assigned addresses from the 10.0.0.0/8 network by the modem. The modem LAN port address is 10.0.0.138. The modem uses NAT to translate the dynamically allocated WAN address to/from private PCs addresses.

Home � Routed PPPoE � DHCP � NAT (RtPPPoE.ini): Your ISP provides a user name and a password. Your PCs are assigned addresses from the 10.0.0.0/8 network by the modem. The modem LAN port address is 10.0.0.138. The modem uses NAT to translate the dynamically allocated WAN address to/from private PCs addresses.

Office - PPPoA DHCP spoofing (DHCP_spoof.ini): Your ISP provides a user name and a password. You may be given either a dynamic IP address when establishing the connection or the ISP may assign the same static public IP address every time you connect. This address is passed to your PC. The modem does not do any address translation. This configuration is limited to one PC.

Office � Routed IpoA � DHCP �NAT (RtIPoA.ini): Your ISP provides an ipoa connection with a single static public IP address. Your ISP provides two addresses, one for the local end of the connection (WAN port of the modem) and one for the remote end of the connection (ISP end). Your PCs are assigned addresses from the 10.0.0.0/8 network by the modem. The modem LAN port address is 10.0.0.138. The modem uses NAT to translate the WAN address to/from private PCs addresses.

Office � Bridged Ethernet (Bridge.ini): You need to use this configuration if you already have a router and you do not want to use the routing functionality if the modem or if your ISP provides a bridge connection. The modem is completely transparent.

Office � Routed PPPoA � static IP (RtPPPoA_static.ini): Your ISP provides a range of static public IP addresses for you to use on your LAN. Your ISP also provides a user name and a password. You need to select one of the IP addresses for the LAN port of your modem. You need to configure your PCs to use an IP address in the range provided by your ISP and enter the IP addresses that you have allocated to the LAN port of the modem as the gateway and the DNS server for each PC.

Office � Routed IPoA � static IP (RtIPoA_static.ini): Your ISP provides a range of static public IP addresses for you to use on your LAN. Your ISP also provides two addresses for your IpoA connection, one for the local end of the connection (WAN port of the modem) and one for the remote end of the connection (ISP end). You need to select one of the IP addresses for the LAN port of your modem. You need to configure your PCs to use an IP address in the range provided by your ISP and enter the IP addresses that you have allocated to the LAN port of the modem as the gateway and the DNS server for each PC.

Office � Routed PPPoA � NAT (RtPPPoA_private.ini): Your ISP provides a user name and a password for your pppoa connection. The IP address for this connection is dynamically assigned. You already have private IP addresses assigned to all your PCs, which are not in the 10.0.0.0/8 network. You need to select one address for the LAN port of the modem, which you will specify during the installation. You will also specify the subnet mask of your LAN. You need to configure each PC to use the LAN address of the modem as the gateway and the DNS server.

Office � Routed IPoA � NAT (RtIPoA_private.ini): Your ISP provides an ipoa connection with a single static public IP address. Your ISP provides two addresses, one for the local end of the connection (WAN port of the modem) and one for the remote end of the connection (ISP end). You already have private IP addresses assigned to all your PCs, which are not in the 10.0.0.0/8 network. You need to select one address for the LAN port of the modem, which you will specify during the installation. You will also specify the subnet mask of your LAN. You need to configure each PC to use the LAN address of the modem as the gateway and the DNS server.

Office � Routed PPPoA � static WAN � static LAN (RtPPPoA_staticWL.ini): Your ISP provides a range of static public IP addresses for you to use on your LAN. Your ISP also provides a user name and a password for the ppp connection. Your ISP also provides two addresses, one for the local end of the connection (WAN port of the modem) and one for the remote end of the connection (ISP end). Your ISP may or may not provide the DNS server addresses. You need to enter them during installation if provided. You need to select one of the IP addresses for the LAN port of your modem. You need to configure your PCs to use an IP address in the range provided by your ISP and enter the IP addresses that you have allocated to the LAN port of the modem as the gateway and the DNS server for each PC.

Office � Routed PPPoA � static WAN � private LAN (RtPPPoA_privateWL.ini): Your ISP provides a user name and a password for the ppp connection. Your ISP also provides two addresses, one for the local end of the connection (WAN port of the modem) and one for the remote end of the connection (ISP end). Your ISP may or may not provide the DNS server addresses. You need to enter them during installation if provided. You already have private IP addresses assigned to all your PCs, which are not in the 10.0.0.0/8 network. You need to select one address for the LAN port of the modem, which you will specify during the installation. You will also specify the subnet mask of your LAN. You need to configure each PC to use the LAN address of the modem as the gateway and the DNS server.

Q4: Are the 4 Ethernet Ports on the Speed Touch 510 independent or is it just an internal hub?

A4: The SpeedTouch 510 has a 4-port switch. It is not just an internal hub.

Q5: How many PCs can I connect to the modem?

A5: It is not advisable to connect more than 25 PCs, as this will degrade the speed experienced by each PC.

Q6: Will applications like Netmeeting work with the SpeedTouch 510 and 530?

A6: If you have a LAN with private IP addresses, the SpeedTouch translates the private addresses to the public address assigned to your ADSL connection. To be able to identify the session and the associated PC, it also translates the port numbers. This feature is called NAPT.

Some advanced protocols and applications have more advanced requirements that may lead to significant problems, some examples are:

- H323, SIP, FTP, RTSP are applications that use several connections for a single call.

- H323 and SIP use connections that use ephemeral ports (dynamic or greater than 1024)

- H323, SIP, ILS, FTP, RTSP, RealAudio includes IP address and port information in the packet payload as well.

- IPSec and PPTP require specific session information to de-multiplex the incoming traffic

Application Level Gateways (ALGs) are required for this kind of applications.

The SpeedTouch 510 and 530 have the following embedded ALGs, as well as upnp NAT traversal capability:

Real Audio

RTSP (Real Time Streaming Protocol)

IRC (Internet Chat Relay)

FTP (File Transfer Protocol)

ILS (Internet Locator Service)

GRE (Generic Routing Encapsulation)

SIP (Session Initiation Protocol)

PPTP (point to point tunneling protocol)

H245

H323

IKE

ESP

Q7: I can make Netmeeting calls. However, I cannot receive Netmeeting calls with the SpeedTouch 510/530.

A7: Use the NAT page of the modem Web interface to forward Netmeeting calls to one PC, as described in the User Guide. Two NAT entires are required:

protocol=tcp port=1720

protocol=tcp port=1503

Alternatively, you can use the following CLI command to forward Netmeeting calls to one PC, after telnetting to the modem (telnet �modem�s LAN port IP address�)

nat create protocol=tcp inside_addr=�address of the server PC� inside_port=1720 outside_addr=0 outside_port=1720 foreign_addr=0

nat create protocol=tcp inside_addr=�address of the server PC� inside_port=1503 outside_addr=0 outside_port=1503 foreign_addr=0

Q8: How can I run servers behind the modem connected to a LAN with private IP addresses?

A8: If all the server applications that you want to run are on one PC, the simplest way is to specify a default server from the NAT page of the modem Web interface as described in the User Guide. Alternatively, you can use the nat defserver CLI command:

telnet 10.0.0.138

nat defserver addr=�address of the server�

If you have different PCs for different applications, you need to create nat entries from the NAT page of the modem Web interface as described in the User Guide.

Alternatively you can use the following CLI command:

nat create protocol=�protocol number� inside_addr=�address of the server PC� inside_port=�port number of the application� outside_addr=0 outside_port=�port number of the application� foreign_addr=0

note: foreign_addr does not apply to SpeedTouch Pro

Q9: Can I run a VPN server behind a SpeedTouch 510 or 530?

A9: The SpeedTouch 510 and 530 have an embedded ALG for GRE.

To setup a separate PC as the VPN server behind the SpeedTouch 510 or 530, you need to forward the following protocol and ports to your VPN server, by using the NAT page of the modem Web interface as described in the User Guide:

protocol=tcp port=1723

protocol=gre

Alternatively, you can use the following CLI commands:

nat create protocol=tcp inside_addr=�address of the server PC� inside_port=1723 outside_addr=0 outside_port=1723 foreign_addr=0

nat create protocol=gre inside_addr=�address of the server PC� outside_addr=0 foreign_addr=0

Q10: Do the SpeedTouch 510 and 530 support IPSec passthrough?

A10: The SpeedTouch 510 and 530 support IPSec passthrough.

To allow inbound IPSec connections on the SpeedTouch 510 and 530, you need to forward the udp protocol with port number 500 to your IPSec server, by using the NAT page of the modem Web interface as described in the User Guide.

Alternatively, you can use the following CLI command:

nat create protocol=udp inside_addr=�address of the server PC� inside_port=500 outside_addr=0 outside_port=500 foreign_addr=0

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