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Satellite and ADSL Dual WAN

Posted: Thu Nov 28, 2013 12:19 pm
by nick-in-montgomery
Hi,

I live in rural Wales with poor ADSL provision, I've recently been given a grant to install a satellite system to provide me with greater bandwidth. What I want to do is run both my satellite and ADSL connections simultaneously on my LAN. The satellite connection may give me greater bandwidth but at the expense of high packet latency whilst the ADSL will give me a lower data rate but with much lower latency. I want to set my system up so I can route latency sensitive traffic should as Vodafone sure signal, VOIP/Skype and online gaming through the ADSL gateway and everything else such a email, web browsing, iplayer, etc through the satellite WAN. I'm running a Billion based LAN with a 7800DXL as the prime gateway and DHCP server, I then have a powerline data network with a centrally sited 7800N providing a separate wireless network.

My question is this, can I (or how do I) connect both my WAN connections to my 7800DXL and route the traffic as I want or would I be better off having two separate internet gateways (I have a spare 7800 router) on the LAN and configuring each client to use the different gateway when required?

I'm sure this is a fairly common setup but I'm starting from scratch.

Nick :?

Re: Satellite and ADSL Dual WAN

Posted: Thu Nov 28, 2013 12:59 pm
by billion_fan
The Bipac 7800DXL cannot use two WAN's at the same time, you need a load balancing modem router so that it can balance the load between two wans.

Or like you said setup two modem/routers one for ADSL and the other for the satellite system and then you can switch between the two when needed. (the 7800 should be setup in EWAN mode for your satellite system)

Re: Satellite and ADSL Dual WAN

Posted: Thu Nov 28, 2013 5:12 pm
by nick-in-montgomery
billion_fan wrote:The Bipac 7800DXL cannot use two WAN's at the same time, you need a load balancing modem router so that it can balance the load between two wans.

Or like you said setup two modem/routers one for ADSL and the other for the satellite system and then you can switch between the two when needed. (the 7800 should be setup in EWAN mode for your satellite system)

Thanks for that billion_fan.

So I just give the 7800 a new IP address in the same range as the rest of my network, disable DHCP server on it, configure the WAN port, set it up as an internet gateway and then attach it to my LAN. On each client I then configure a static IP profile for each of the two internet gateways on my LAN and the user swaps between them? This was my initial plan but the ISPs didn't seem too keen or hadn't heard of anybody doing it, it seemed pretty straight forward to me but am I being too simplistic?

One of the satellite ISP technical teams I spoke to had never even heard of Billion!

Nick :oops:

Re: Satellite and ADSL Dual WAN

Posted: Fri Nov 29, 2013 9:24 am
by billion_fan
nick-in-montgomery wrote:
billion_fan wrote:The Bipac 7800DXL cannot use two WAN's at the same time, you need a load balancing modem router so that it can balance the load between two wans.

Or like you said setup two modem/routers one for ADSL and the other for the satellite system and then you can switch between the two when needed. (the 7800 should be setup in EWAN mode for your satellite system)

Thanks for that billion_fan.

So I just give the 7800 a new IP address in the same range as the rest of my network, disable DHCP server on it, configure the WAN port, set it up as an internet gateway and then attach it to my LAN. On each client I then configure a static IP profile for each of the two internet gateways on my LAN and the user swaps between them? This was my initial plan but the ISPs didn't seem too keen or hadn't heard of anybody doing it, it seemed pretty straight forward to me but am I being too simplistic?

One of the satellite ISP technical teams I spoke to had never even heard of Billion!

Nick :oops:
Yes that should work, but I tested a setup like that before