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| Subject |
What is Echo IP Detection/WAN IP Detection? |
| Author |
Eric McIntyre |
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What is Echo/WAN IP Detection?
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Newer Router clients and other devices with newer TZO DDNS clients may support "Echo" or "WAN IP Detection". This means that the device or router will not simply post the WAN "hardware" address of the device, it will use remote servers to "detect" the true WAN IP (Internet) address that your network is using.
In most cases, these DDNS clients with WAN IP detection will check the WAN IP address every 10 minutes. In some cases, this is selectable by the user.
Why use this feature and why is it important to me?
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Having a router or hardware device that offers TZO DDNS and WAN IP client detection can be a benefit to many users. Below are a few examples where WAN IP detection from a TZO hardware client can help you:
1) You have DSL and your DSL modem is also a router. The DSL modem does NOT have TZO and you have no PC that stays on 24/7 to run the TZO software on. Your only choice is running TZO in your Linksys router. Since the Linksys router is BEHIND another Router (your DSL modem/router) it would typically be assigned a non-routable IP address, causing the DDNS to report a unusable IP. With the new TZO DDNS WAN IP detection, the Linksys router will get the TRUE WAN IP and continue to check it every 10 minutes.
2) You are a DVR installer and install DVR's in homes with Dynamic IP's.
The DVR's you typically install do not have TZO DDNS clients, and the customer does not have a PC in their home that they want to leave running
24/7 to install the TZO software onto. The customer also does not want to remove their router and replace it with a Linksys or other compatible TZO DDNS router. As an installer, this leaves you in a bind, but taking a newer Linksys router/device with TZO WAN IP detection, you can setup TZO DDNS in this Linksys router/device and plug it in to the customers router. This allows the Linksys device to simply perform DDNS updates and checking, allowing you to run TZO DDNS without requiring a PC and without having to change the customer's main router.
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