Changing ip address on bt home hub,sap management of change process,secret story 6 website - 2016 Feature

22.07.2015
Here, you have two options - automatic time setting (using an Internet-based clock), or a manual option to enter the time and date. We've heard from a visitor that, after changing the time and date settings on their BT Hub Phone, the time changes itself.
We've been asked if the Home Hub supports remote access - so that you can connect to your Hub from outside the network - perhaps from work, over the Internet, maybe to change port forwarding.
You can connect to the Hub remotely - To do this, you'll need to sign up to DynDNS and create an account. Thanks for Adrian for asking about a Playstation 3 and the BT Home Hub, in Show 13 of our podcast.
The Ps3 also supports Wi-fi, so can connect to the Home Hub wirelessly - for help connecting via wi-fi, see our wi-fi connection FAQ. We've been asked if you can share files between two Windows machines connected using a BT Home Hub within the same house.
Some online services and products need to know what IP address your home broadband connection uses, so that it can connect to your equipment remotely. For these to work, the remote service needs to know the IP address that's been assigned to your Home Hub, so that the service can find you over the Internet. Some Internet Providers can provide you with a 'static' IP address (that never changes), but this normally costs extra, and it's not offered to BT residential customers.
If you want to use a service that connects into your home system remotely, you can use the next best thing to a fixed IP address - a service like DynDNS.
Onc this is done, set up the remote service to point to your DynDNS hostname address, and it will be able to redirect the service to your Home Hub's current IP address. To set up DynDNS on your BT Home Hub, log in to the Home Hub, go to Advanced, then select 'Dynamic DNS' and enter the account details for your DynDNS account.
Also note that you may need to use something called Port Forwarding on the Home Hib, to allow the remote service to get through the Home Hub's Firewall.
The BT Home Hub has two Ethernet ports, to allow wired connection of PCs, printers or equipment such as the BT Vision box. DNS is a system that is used to relate Internet available ip addresses to host names (or Domain Names).
The first issue you have when setting up a web site using your BT Broadband at home is that the ip address that your network has assigned to it can change. Out of interest, to see your current (outward facing) Internet ip address, you can use a look-up service on the web. A way of dealing with this problem (of changing ip addresses) is by using a Dynamic DNS service. To have a look at the available options on your BT Home Hub, you need to explore the "Advanced Settings" on your BT Home Hub Manager control panel.
The BT Home Hub Manager control panel will ask for confirmation that you are really intending to modify the Advanced Settings on a separate page.
Once you have successfully entered into the Advanced Settings, you need to select the "Broadband" option. Once you have located the appropriate page in the BT Home Hub Manager's Advanced Settings. For more information about using the Dynamic DNS options on your BT Home Hub, please see the following page. I currently have a number of sub domains configured on the FREE DNS service, that I use for other web sites related to my main one without necessarily having to got out and purchase more domain names.
Within the domain name system it is important that you use something known as the 'A' record to give instructions about the ip address where your web site will be hosted. The initial set up of the 'A' record will set something called the "Destination" ip address and whilst it will not always be the same in the future.
Once everything is configured correctly with the Dynamic DNS service, unless it is one that is currently directly supported by the BT Home Hub, you'll need to consider how to inform (using software - although can be done manually) the DNS servers each time your ip address changes. I have been using an application, which runs as a service on my web server, to up freedns whenever the ip address is changed. When installed you will have access to a configuration control panel application and the, as stated before, the updater will then actually run as a Windows Service in the background.
Once the software is installed, you will need to log in to your FreeDNS account in the updater configuration program (a separate thing to the service) using your FreeDNS log-on credentials and configure at least one of your sub domains. The Voyager 2000 comes from a well known background as it is based around the Globespan Virata chipset, which is used in a number of other routers. The router comes supplied with what is now almost a standard parts list: The router itself, two micro-filters, a mains lead with associated power brick, 3 metre RJ-11 to RJ-11 cable, one RJ-45 Ethernet patch cable, a set-up CD-ROM and a quick start guide. The router can be used either horizontally or vertically, which makes it easier to find a suitable home for it.
The observant reader will have noticed that the router does not have any external wireless connectors.
The Globalspan Virata chipset is easily visible on the PCB, as is the wireless network card with its small extender board that the internal antenna connect to. For users unsure of which leads go where, the CD sleeve includes a quick start guide that takes you through the basic steps to getting your computer to talk to the Voyager 2000.
The router is pre-configured for an ADSL service based around the standard BT Wholesale services, which means to get online all you need to enter is your username and password, the screen shot above shows the bt_test login (a blank password is valid for this account).
To disable the 'Dial On Demand' feature simply select the 'Always On' option as shown, click the 'Apply' button and finally click 'Save Configuration' to ensure the changes are stored permanently.
One common requirement if you have a pre-existing network is to alter the IP address and DHCP range that the router uses.
The wireless part of the Voyager 2000 is pretty easy to set-up, it is also turned on by default.
The configuration of the routers wireless aspects is done via the Configuration WLAN menu option.
By default Association Control is turned off, but by enabling it only those computers whose MAC addresses you have entered will be able to use the wireless network. The user guide has a useful section on how to use the pass code and various wireless encryption keys. In addition to its range of wireless router hardware, BT also is selling two wireless network adaptors. The Voyager 1010 USB adapter is a very sleek looking device, and seems to work equally well on laptops or desktop machines. Next, the set-up process will ask you to plug in the adapter and Windows will finish off the process. The BT adapters install an application that runs in the computers system tray, and is denoted by the icon . In an effort to assess which type of connection device performed better, a 198MB (208,269,312 bytes) file was transferred across the wireless network as a local file copy operation. Port forwarding is required when you are running software behind a NAT router, such as mail and web servers. IP Address - this is the IP address of the computer that will be running the server application, so will be in the same range as the router, i.e. Once you have filled in the fields, simply click 'Apply' to add the rule to the virtual server, then after entering all the rules you require, remember to click 'Save Configuration' to ensure the new rules are stored in case of a power failure. If the number of rules needed for a specific application exceeds the capability of the router, or you wish to forward all incoming data to a firewall, then it is possible to define an IP address as the 'DMZ host'.
The Voyager 2000 includes a stateful firewall, which means that in addition to the protection that NAT affords by default, you can actually apply inbound and outbound rules to traffic.
The low, medium and high levels are simply predefined lists of security rules, and are ideal for users who want to add some level of security without the complexity of defining lots of rules.
Configuration of the firewall becomes much more interesting when you select the 'Advanced (user define)' mode of operation. Some of the earlier firmware revisions of the Voyager 2000 had one important setting wrong that may stop UPnP from working properly. The main difference as usual between Ethernet based devices and USB modems is that the latency would appear to be much more stable with Ethernet.
For many people, the performance of a wireless ADSL router is almost more important than its Ethernet performance.
Unfortunately, although the Voyager 2000 was very stable, it did not have the best range which was something of a surprise given the antenna arrangement which we expected to help improve matters.
After we reviewed the stylish interface of the BT Home Network 1200, the Voyager 2000 Wireless is a bit of a culture shock, though the web interface is still better than many routers and still offers lots of functionality.
People looking to use Microsoft NetMeeting need to steer clear of the router at present, as it would seem the H.323 support is not fully implemented, however MSN Messenger works better than many devices. In terms of sheer value for money the router is priced reasonably, but if you are wanting to connect a number of computers via Ethernet you will need an additional hub or switch, which will add to the budget and may result in other devices offering better value for money.
The contents of this review should not be relied upon in making a purchasing decision - You should always discuss your requirements with your service provider and hardware supplier. If you've found the content of this page of use, and want to say thanks, Jarviser's charity of choice is Great Ormond Street Hospital. Disclaimer: Content on this page was not originated by FileSaveAs, and is hosted 'as-is' as a service to Home Hub users. The Zoom X5v is the first router aimed at the consumer market that ADSLGuide has reviewed that has built in VoIP capabilities.
The router in its default state works as a NAT router, allowing you to share the IP address supplied by your ISP, between up to 253 computers. The VoIP capability is what many people will be looking at, and this is provided via an RJ11 socket on the rear of the router, an RJ11 to BT phone socket converter is included. Very importantly, the X5v is designed to retain emergency dialing in the event of a power failure.
The VoIP service of the router, makes use of the Global Village service, and uses the SIP protocol. The routers case is well ventilated and constructed from what seems a fairly tough black plastic. Before you can use the router for Internet access or VoIP calls, you need to carry out a few basic set-up steps. The simplest way to get the X5v configured is to plug an Ethernet cable between your computer and the router.
When you successfully get to the web console, you should see the following page, which is where you enter all the configuration information that you need to get online and have a basic connection. To store the settings in the router it is a two stage process, pressing Save Changes will store the settings, but until you press Write Settings to Flash and Reboot the settings are not permanently stored. If your ADSL line is active and connected, and you have the username and password correct you should now have basic Internet access. The screen shot above shows the test results when using the X5v which was 946kbps, which for a 1Mbps line (1000kbps) is very respectable, i.e.
If you have entered a username and password, and are waiting for more than a minute or two, and it appears that nothing is happening, you should double check what you entered, and also look at the ADSL status page. The basic set-up should get the vast majority of Internet applications working, but some software requires a bit more help. To access the Virtual Server set-up on the X5v click the Advanced Setup button in the web console, and then click the Virtual Server button.
This screenshot shows the virtual server screen, with one rule already configured and a second rule about to be added.
The Zoom X5v has a wide variety of configuration options for its firewall, making it a powerful device. In its default state, the router has the firewall enabled, and a range of the protection policy options are turned on. The firewall databases is an interesting section, it allows you to pre-define various groups for use when you are creating your firewall policies at a later date.
IP Group, allows you to create groups of IP addresses for use later when defining firewall policies.
Service Group, rather than having to continually remember the ports used for different services, you can predefine some of them.
Time window, the router allows you to create time periods during which firewall policies will be active.
The Time Window option should prove useful for parents who want to try and restrict the length of time their children are online, since you can define multiple periods, and have different sets of policies, for example, over the weekend.
Since a firewall policy can be changed from a blocking the port to allowing access by changing the Filtering Action rule, you can do things like block all port 80 access for a specific IP address on your local network, and then only allow access to a limited number of IP addresses.
Any standard BT compatible telephone can be used with the router, a small plug conversion dongle is provided to do the conversion from a BT plug to an RJ11 plug. Configuring the telephone service is very simple, visit the VoIP set-up page as shown above, and then click the 'Global Village Features' button, which allows you to set-up the account, and register for your free ten minutes of calls. The Global Village website allows you to manage your telephone account, and see itemised lists of incoming and outgoing calls. There are a myriad of advanced configuration options for the VoIP service, but fortunately there is no need to play around with these.
The Zoom X5v when we first received it for review in November 2004, worked well enough with standard web browsing and email running, but under heavier loads e.g. One critical thing to remember when upgrading the firmware on the X5v is to unplug the ADSL line, to avoid any undue interruptions.
In normal day to day use, the router copes happily with a 2Mbps line, giving speeds of 1900kbps downstream and 240kbps upstream.
For those who want to see the line statistics for their phone line, the router does display them.


The Zoom X5v has a list price of £99 (inc VAT) which is good value considering it includes the VoIP functionality.
The inclusion of an SPI firewall is a welcome enhancement compared to the Zoom X4 we previously reviewed. Overall we are impressed with what has been squeezed into the price point, but would raise a slight question over the performance under heavy loads.
Millions of people across the UK lose their internet access when BT's DNS servers go down, which they often seem to do. To avoid unwanted DNS issues in the future, we've put together a complete guide on how to change your DNS servers, either through your home Wi-Fi router, on each device in the house, or through a NAS device. Every router manufacturer does things slightly differently, but our directions should make sense regardless of which router you're using. Most routers should let you alter the default DNS server addresses through their configuration page. Once you've changed this setting, all of your devices will start to use the new DNS servers, so you won't be affected next time BT (or any other ISP) has server problems.
If you're a BT Broadband customer, don't have access to your router's configuration page or your router doesn't let you change the DNS servers, you can manually change DNS servers on each internet-connected device.
If you're using an iMac desktop or MacBook laptop, simply click on the System Preferences icon in the Dock then click on Network in the window that appears.
For smartphones and tablets running Google's mobile operating system, jump into the Settings menu and head for Wi-Fi.
You'll then need to scroll down the page until you see two text boxes labelled DNS 1 and DNS 2. If your router won't let you change DNS addresses, but you don't want the hassle of changing every single device on your network, you might be able to save some time using your NAS drive. Once you're back in the management console the instructions differ depending on the version of the Synology NAS you're running. Now, connect to your router's web-based management page and find the DHCP server settings (for the Home Hub they're in Advanced Settings, IP Addresses) and disable the DHCP server. Worth also mentioning that OpenDNS provide another alternative free DNS service that also protects against known phishing and malware sites.
Looks as though you have a few BT services turned on at the moment: you can turn off BT Parental Controls and BT Protect through the MY BT website. We suspect this is because the time on the Home Hub is synchronised between Hub and Handset, and the Hub may not be on the correct time. On the Home Hub, go to Advanced, then select 'Dynamic DNS' and enter the account details for your DynDNS account. Yes - it's possible - The trick is to get all of the computers to be in the same IP address range, to make sure the Hub and all PCs use the same subnet address, and to get the PCs to use the router's Gateway IP address.
The problem is, that your BT Broadband connection uses a 'dynamic' IP address that changes each time your Home Hub is switched off and on. Fortunately, there is a work-around for products and services that need to connect to your home network remotely. The Voyager 2000 is an ADSL modem with built-in NAT router, an 802.11b wireless capability, a stateful firewall and Universal Plug and Play (UPnP). Its closest relation is the Solwise SAR-715PW, but the two differ in the firmware each uses. The wireless and Ethernet sides of the router are visible to each other, allowing you to run File and Print sharing across the wireless and wired sides. For users on a tight budget the wireless adapters will also work in AD-HOC mode to share a simple USB or PCI ADSL modem connection without the requirement for a router. By providing a power supply with a separate power cord you can easily avoid the congestion problems associated with plug boards and power adaptors.
To ensure the unit does not topple when standing, it has a small built-in foot that swivels out to balance it. Opening the case reveals a surprise - there are actually two wireless antennae formed out of two small printed circuit boards, one oriented horizontally and one vertically.
Also in the bottom right hand corner you can see the sacrificial fuse that should protect the router and devices connected to it in the event of a large power surge down the phone cabling. The use of the CD to set-up the Voyager 2000 is not mandatory, certainly users with non Microsoft operating systems will not be able to use the software based wizard. The router can be configured either using the wireless connection or via Ethernet, a useful feature if you are creating a network that is purely based upon wireless clients, although it is recommended that you have one Ethernet capable computer available, as it is easy to misconfigure wireless security settings and lock yourself out. Click the 'Connect' button and assuming your ADSL is working and the login details are correct you should see the screen below after a few seconds.
One quirk of the default set-up is that it is shipped in a 'Dial on Demand' state, which means if you turn off the power or your line is idle for a period of more than 20 minutes it will disconnect the ADSL session and wait for some more data to be requested or someone to manually press the connect button again.
Now the router will automatically connect if the line drops, from either a DSL problem or simply a power cut.
The wireless network name (SSID) is actually based around the BSSID value on a sticker on the base of the unit, the last two digits are simply added to the word 'BTVOYAGER-', therefore the review router had an SSID of BTVOYAGER-A3.
To add a machine to the list, it is simply a case of entering the MAC address from that machines wireless network card and clicking 'Apply'. The windows based help is actually more useful than the large PDF manuals you often get, mainly because of the use of hyperlinks to jump around the document and the tree layout on the left makes navigation simpler. It has two indicators: The PWR LED which shows the card is powered up and the ACT LED which flashes to indicate traffic on the wireless network.
First run the set-up program on the supplied CD which will preinstall all the drivers and also ask whether you are running in Infrastructure mode or an Ad-hoc mode. Once the device is running a window appears allowing you to select the access point you want to use. This application allows you to change the wireless network name (SSID) and enable any WEP security that you are using, additionally the number of bars on the icon will vary similar to a mobile phone to show the current signal strength.
The only variable between each operation was the wireless device used, additionally a series of 100 pings were carried out between a laptop using each adapter in turn and the Voyager 2000. The transfer speeds may look low when 802.11b is sold as 11Mbps, but that is only the theoretical speed, in practice these 4 to 5Mbps figures are normal. Port forwarding is needed because a NAT router needs to know where to route an incoming packet which it receives unexpectedly (i.e.
The screen shot above actually shows a very simple configuration with an SMTP mail server and HTTP web server specified.
If you want to map the external port to a different port internally just specify the actual port you want to use on the LAN. There is no way of entering ranges of ports and the number of rules you can enter is unknown, but we managed to configure sixty five rules without any problems, which is significantly higher than many other routers. One useful feature of this router and others with support for two LAN IP addresses is the DMZ host could be on its own IP range. The default set-up of the router has the firewall disabled, but enabling it is very simple and there are 6 different levels that you can select. Inbound rules are mainly useful when operating port forwarding ("virtual servers") or a NON-NAT configuration.
In this mode you are given control over the inbound and outbound policies and can also create new rules for applications not previously listed.
Fortunately due to the similarity with other Globespan Virata routers the solution is simple, telnet into the router from the DOS command prompt, as shown below.
Finally, under the 'Networking Services' section, you need to ensure that both 'Internet Gateway Device Discovery and Control Client' and the 'Universal Plug and Play' options are enabled. To test whether the support works on the Voyager 2000 we tested video conferencing between a computer behind the router and another on the Internet. It was found that sometimes when switching on or connecting an Ethernet cable, the router would fail to detect the connection successfully. We have run streaming video for hours on end, tried to crash the router by updating the server list in Counter-Strike and failed. As the table shows there is very little reason for picking any of those devices over any other based solely upon their latency.
The wireless side of the Voyager 2000 was flawless with a good 11Mbps signal across the whole of an average sized 2 bedroom flat.
The range in open air was around 110m whilst inside a building four solid walls started to produce an intermittent signal.
A large amount of work has gone into customising the web interface to improve its speed and ease of use over other Globespan based routers. The inclusion of features such as Association Control and the ability to hide the wireless network name (SSID) are worthwhile security features missing from a number of other competing devices. Two modes of operation are available, if you pick up the phone and dial a number it will use the standard PSTN phone line, but if you precede the number with a # then the VoIP hardware kicks in and routes the call over the ADSL line. This is not done by battery backup, but by simply ensuring that when the router is not powered up, the phone line still works. The Global Village service allows you to make free calls to other people on the Global Village VoIP network worldwide, and provides low cost calls to normal telephone lines. A Quick Start manual is provided to make life easy, though you do have to remember to look in the back of the guide for the UK specific settings.
The web interface located inside the router should work with any operating system that supports a reasonably standard web browser. The only information you need to enter is a username and password, we have shown the BT Wholesale speedtester login. Writing the settings to the flash memory can take around 30 seconds, and the confirmation page below lets you know about the LED sequence that will happen so you can be sure of what the router is doing. You can check whether you are connected by looking at the System Status screen, which should display your ISP assigned IP address in the WAN status area. This particularly applies to hosting online games, or using an X-Box or PS2 games console online.
You can configure up to 20 rules, which seems limiting, but for most things that is enough. TCP Port 80 indicates that the computer is probably running a web server on that port, and port 25 is for an SMTP mail server. This is something we do specifically for reviewing hardware, as it allows us to swap routers around very quickly. Generally when a router is listed as having a SPI firewall, it means you can define the firewalls behaviour for both inbound and outbound traffic. There are a number of predefined Denial of Service (DoS) type protection policies, which you can simply turn on or off.
It is also set to deny all unsolicited incoming traffic, apart from traffic needed for the VoIP service, and any services you have defined in the Virtual Service section. This allows you to block for example peer to peer file sharing traffic during peak hours, and only let this run during the off peak hours during the night.
If using the firewall for parental controls, do remember to change the routers default password, otherwise the children will simply log onto the router and turn the policies off.
Thus you could actually restrict a childrens computer to accessing a limited number of sites. The logging is also useful if you do not know what ports you need to block for an application, as you can simply block all ports, and see what the log shows the application actually using. Various software and plug in hardware VoIP solutions are available in the UK, but the Zoom X5v is one of the first offering a simple all in one solution. The router is designed so that in the event of a power failure the telephone that is connected will still actually work, powered by the line current over the phone line. The Global Village choice subscription account is free, you simply just pay for any calls you make. With the free 0870 number, the Zoom X5v effectively gives you a second telephone line with no line rental costs, and with the increase in home working having two telephone numbers, one for work and one for home is an advantage.
Compared to other routers, and what we know about the telephone line used for the reviews, the attenuation and SNR margin figures appear to be accurate.
The router though is even better value when you see various online retailers selling it at around £80 including VAT.
The documentation and layout of the web interface for the X5v mean that most people should be able to configure it, and make use of its various features. Certainly it is worth checking if you buy an X5v that it is running the latest firmware to ensure you get the best performance from it. DNS servers, otherwise known as Domain Name System servers, take easily remembered web addresses and translate them to the numerical IP addresses that computers understand, helping you get around the web easily. When a new device connects to them, they automatically dish out IP addresses and DNS server information.
These will tell you the range of addresses the router gives out, which will include a start address and an end address. The only rules are that this number must be between 1 and 254, and don't pick the same address that your router has. This will affect every device that uses it to connect to the internet, making it the easiest way to change DNS servers if you have more than one internet-enabled device in the home. Unfortunately for BT Broadband customers, this isn't possible on a BT Home Hub, meaning you'll have to look further down the page for our on-device DNS settings guide. It takes a little more time and effort, but by the end you'll be able to get online without worrying whether your broadband provider's DNS servers are up and running. Windows 8 users can hit the Windows key and type Control Panel, while older versions of Windows have a Control Panel shortcut in the Start Menu. Go to Settings, Wi-Fi and then tap the 'i' next to the network you're currently connect to. Make sure you're connected to your local Wi-Fi network, then press and hold on its network ID to bring up a text box.


Many models can take over from a router, handing out IP addresses to your connected devices and controlling, therefore, which DNS servers are used.
Only devices that have DSM 4.2 or higher installed (roughly 2009 and onwards) can run the DHCP server.
Click the Add button, then under Start IP address enter the same start address as used by your router (see the top of this article for more information), and the end IP address as your router's end address. Apply your settings and all new devices that connect to your network will have new DNS and IP address settings as dished out by your NAS.
From another PC, you can enter the address provided by DynDNS to connect to the Hub remotely.
This combination provides an all-in-one solution to connecting a computer to an ADSL line from anywhere inside a house, or even from the garden shed. This review is based around using the Voyager 2000 on a single static IP address account, but the configuration is identical for a dynamic IP service. The two micro-filters are updated Excelsus Z-420UK-A models which should work with a wider range of fax machines and caller display devices. The wizard is very basic and really only of much use for total novice users - It will get you online and running, but any further configuration of the router will require you to use the web based interface. For people who find the quick start guide a little too brief, a Microsoft Windows based help system forms the main manual, the screenshot shows the basic six steps to getting the Voyager 2000 up and running, clicking each step takes you to a more thorough context sensitive description.
Before changing critical options the web set-up will prompt for a username and password, the defaults are admin and admin. This could prove to be an annoyance, but fortunately it is easy to resolve, inside the Control Panel select the 'Configuration' menu followed by the 'WAN' sub menu. In addition to changing the LAN IP address, you can also control the configuration of the DHCP server that is built into the Voyager 2000. Hiding an SSID will stop the router from broadcasting the SSID thus requiring anyone inside the range to know the SSID before being able to use the network, a useful tool to enhance security.
The router will display at the foot of the association page a list of the currently allowed MAC addresses. Infrastructure mode is where you have a wireless router or a wireless access point and ad-hoc mode is used when you are creating a wireless network that does not have a central router or access point, for example when using two wireless network cards and Microsoft Windows ICS to share a connection. The latency performance is harder to draw firm conclusions from however, the three devices that produced the high maximum pings appeared to be more variable, and to ensure the results were not a transient blip further groups of 100 pings were done, with the best run appearing in the table above. The main task of the firewall is really to control outbound traffic, and you can see as you increase the security level the amount of traffic allowed out is decreased. This functionality is used by software like MSN Messenger that requires a wide range of random ports which makes the use of standard port forwarding impossible. It is very important to remember to wait for the 'Configuration saved' message to appear before executing the 'system restart' command.
The video, voice and whiteboard facilities in MSN Messenger worked, but unfortunately the file sharing was less successful with only a file transfer from the dialup machine working. The symptoms were either that the Diagnostics LED would come on, or simply the LAN connection was not detected. Speed tests are well within the normal range for the connection used during the review, and latency from the router has being good as the table below shows. In line with previous wireless reviews we have attempted to evaluate the real world performance in comparison to other wireless hardware. Latency wise, the 802.11b performs well adding around 2ms to the round trip time which is standard for wireless hardware, although as seen earlier in the review this is heavily dependant on your wireless network card. The supplied BT documentation is aimed at users looking to create their first wireless network and is sufficient to get people running, but the more advanced features of the router such as the firewall could do with more examples to help people make the most of it. BT are certainly trying to push the wireless side of the router in all the advertising, and during the summer months the prospect of working from home in the garden makes for a very attractive argument. The X5v combines the ADSL modem, a four port router, USB port, and hardware support for VoIP into one easy to set-up unit.
As with the X4 unit we previously reviewed, there is a PPP Half Bridge mode that will for a single computer pass on the ISP assigned IP address to a single computer. This allows you to have two phone lines without the extra line rental, and without the need for two handsets. The front of the router has plenty of lights to provide feedback as to what the router is doing, and a handy sticker underneath the router reminds you of their functions.
We should point out that for people with a single static IP address from their ISP, the set-up in the UK is identical to those with a dynamic IP address.
The password for this can be anything you want, and as the page says there is no need to enter a service name. If it stores the settings correctly after around 1 minute the web page should refresh to tell you it is done changing the settings. The screen shot below shows a 1Mbps line, with very good SNR Margins, the higher the SNR figures the better, and the lower the attenuation the better that is. The X5v manual dedicates several pages to getting the games consoles to work, and other online games.
If this proves insufficient, there is a DMZ option to forward all ports to a specific computer, and the more advanced firewall options can be used to block of the unwanted traffic. So while most people will use these rules for getting games to work, there are many other uses.
Some advertising for routers, lists the presence of a firewall when in reality there is only the default behaviour of the NAT router to protect peoples computers. For those keen to see what the firewall is doing, the Hacker Log option allows you to select which parts of the firewalls operation are logged. As you can see there are lots of fields, but to actually block a port, very little actually needs to be done.
To receive incoming calls initially only people with a VoIP handset can call you, but you can add an 0870 number to allow anyone in the UK to call you, this option is free (January 2005).
The router even handles calls well when the ADSL line is busy with other activities, for example we downloaded a 100MB file and made a couple of calls, which worked well. Fortunately new firmware was released for a range of the Zoom routers around Christmas 2004 and this vastly improved matters. The firmware when released does come with a set of instructions on what to do which are easy to follow. With the latest firmware running P2P applications and using the connection for web browsing is possible, though we did find that some pages took two clicks to open. One great advantage of the VoIP service in the router, is that it is independent of any computer connected to the router, and the ease of use will be hard to beat.
When the system goes down, your computer can no longer look up the address it's supposed to be connecting to, making it look as though the entire internet is down.
In both cases, the default gateway address is the IP address of your router, which you should enter into your browser's address bar. Connect to your router's web-based management page and log in. Look for the section that contains your router's internet (WAN) address, and you should be able to override the DNS server setting.
At the least, it may be worth changing one device in your home, so that you can check if an internet error is due to a DNS problem or because your entire internet connection has gone down. From here, click Network and Sharing Center, then Change adapter settings on the left side of the window that opens.
In the new window that opens, change the radio button from 'obtain DNS server address automatically' to 'Use the following DNS addresses'.
Select the second option (Modify network config) and tick the 'show advanced settings' checkbox in the new window that appears. We've used a Synology DiskStation in our example, but some other NAS devices have similar options. First off, open the NAS interface by typing its web address into your web browser, then logging in using your administrator or user account information. Devices currently on the network may have to be rebooted or have their power cycled to pick up their new addresses. Using my parents BT infinity connection (and I think a home hub 3) I managed to change the DNS servers to Google's, on each device, and things got much better, not problems.
The practical upshot of this is that your Home Hub 'updates' DynDNS with your Home Hub's dynamic IP address, meaning that hostname always points to the correct IP address. With an Ethernet Switch, you connect an Ethernet cable from the Home Hub to the input of the Ethernet Switch, and can then use the ports on the Ethernet Switch to connect extra equipment. The router should be configurable to support a service with a block of static IP addresses, but this set-up is not documented at all. A HTML version of the user guide is located on the CD in the 'Help' folder named userguide.html for those users not running Microsoft Windows. This will display the page shown below, then on the PPP-0 line click the 'Modify' hyperlink. The number of computers that can be associated is very large, we added at least thirty with no problems. Creating new entries is very simple and is just a case of clicking the 'Create a new server' button.
If a protocol or application is not listed in the policies table and you select an active firewall level then the default action is to block it.
Furthermore, the filters allow you to create rules that allow specific traffic through the firewall.
Potentially the firewall is very useful if you want to secure a computer that you have designated as the DMZ host. MSN Messenger will run on any NAT based router with functionality limited to text chat, but UPnP makes it possible to hold video and voice conferences.
Playing Counter-Strike over the wireless link worked well, in game pings of 32-35ms were not uncommon playing on the ADSLGuide servers via an ADSL connection. Other features not documented at all are the telnet interface and SNMP support, which while perhaps not of interest to the basic user, will be relevant to the more advanced users. The unit is actually based around a Conexant chipset, and builds on the previous models like the X4 and X5, so there is a long family history, with the X5v being the next evolution. Additionally for people with a block of static IP addresses you can disable NAT and use the router in a NON-NAT mode. Therefore ignore the comments about entering the static IP address that are made in the manual. This site is a speed test site run by BT Wholesale to allow new ADSL users to test their connection, and also to verify whether any slow downs in service are down to the BT network, or your ISPs network. If there is no line speed listed, or attenuation figures it is likely your line is not activated, or you are using your micro-filters incorrectly. To block TCP Port 80, the simplest way is to select 80 as the destination port, and apply this to all the source and destination IP addresses. The 0870 number means that people calling you will get charged at the BT national rate, though if they telephone your original BT number it will still be charged at the standard BT rates. What the router appeared to do was prioritise the VoIP data, since the download dropped in speed by around 10 Kilo Bytes per second.
Our comments on the performance of the unit are therefore based on the firmware version shown below, i.e. Thankfully  you can use the free Google DNS servers, which are much more stable than the ones used by many broadband suppliers. However, using this method, devices only lease an address; when the lease is up, they may end up using a new, different address.
What you need to do, for devices that require it, is to use an IP address outside of this range; if you don't, you may end up with two devices using the same address, which isn't allowed and will cause problems. First, your NAS has to have a static IP address, so go to Control Panel, Network, Network Interface, click LAN and select Edit. Note, you can't use the DHCP server if it has more than one network adaptor and it's in Bridge mode.
It should however be noted that AOL UK users cannot use this as an ADSL router as it is not compatible with their proprietary software.
This allows you almost total control of what applications can access the Internet from the LAN, or alternatively the custom rules can be used to limit the visibility of a web server to authorised external IP addresses. If you do not see an Internet Connection appearing in the 'Network Connections' window after rebooting both the PC and router then it is worth checking that the necessary Windows components are installed correctly. You also get a stateful packet inspection firewall giving you control of inbound and outbound traffic, plus a selection of options to protect against Denial of Service attacks. If you have everything plugged in correctly then you will be prompted for a username and password to access the Home Gateway realm, these are admin and zoomvoip respectively. By denying various ports you can block applications from talking to servers on the Internet. If you wanted to block TCP Port 80 access to a specific site, you would specify its IP address in the Dest IP field.
Since the VoIP service does not interfere with standard incoming or outgoing calls, any CPS provider options or other services you have on your phone line will still function identically.
That's no good for some devices, so to follow this article, you may need to configure some to use a static address, setting it manually.
Click IPv4 and select Use manual configuration, then enter a safe static IP address, as discovered at the start of this article. If your computer tries to dial an Internet connection, rather than open the web page directly, you need to tell your browser to not dial a connection, for Windows this is located in Internet Explorer, under the Tools and Internet Options window. We'll explain how, but before you do anything else you need to find out how to find out a safe address by connecting to your router.



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