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two isp's setup

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juicebox   07-24-2007 at 09:25:23 AM

I'm not sure if this is the right section or anything. Basically what I have is two isp's coming into the home right now. I have about 7 pcs and I also have a linksys mimo router. I want to be capable of routing all of my isp traffic through isp-a and all of my video game traffic through isp-b. I run all windows machines and have no linux on any of them.

Would I need to buy a new router or something? I read a lot about how I just need to Proxy them. I have no clue how to set that up though. Any thoughts would be great or a link to what I should search or anything.

Thanks.

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brw02005   07-27-2007 at 04:57:56 PM
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Well I don't really know much about proxy servers but this is how I would do it. I would just set up the wireless router with ISP A as normal. Then I would get a cheap wired router and connect the wan to ISP B. I would then set the wired router to a static ip on the lan side in the same range as the wireless router and disable DHCP. I would then connect the wired router to the lan of the wireless router. Now this should set it up so by default everything connected goes to ISP-a. To use ISP-b you have to set static IP with the router 2 address as the gateway keeping everything else the same. I've never tested this but I believe it should work. If it doesn't disable DHCP on both routers then put the IP addresses in different ranges and assign all IP addresses manually (I know that will work). I've never had to set up a proxy server so I don't know if that would be easier but I know this would work.

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calyn   10-12-2007 at 10:46:04 PM
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You can use 2 wifi routers and switch between them depending on content, but that is a manual action and you will always send all traffic at that moment through the active ISP. Each PC can use only one ISP at a time.

brw02005's option will cause you to have to change IP each time you want to change between video and surfing. An advanced router with policy-based routing and packet inspection (to determine media content) will be required to do this dynamically. Note that this is generally done by higher-end routers such as Cisco and Juniper and especilly configuring route-maps to facilitate this can be difficult. The advantage is that the end-user will have to do nothing and it will always route non-media content to ISP A and media content via ISP B, and you can use both ISP's simultaneously on all PC's

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brw02005   10-14-2007 at 01:32:39 AM
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yeah just figured anyone buying linksys wouldn't be up for dropping the big bucks on a cisco.

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calyn   10-14-2007 at 05:35:38 PM
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Fair enough, but since the OP seems to want Cisco features it has to be pointed out you can't get it on a cheap Linksys. If the features are really that important, he/she will just have to bite the bullet.

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billg3   10-16-2007 at 01:52:35 PM
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You could use a 2-wan router such as the Linksys RV042 -$175 at NewEgg.
http://www.newegg.com/Product/Prod [...] 6833124160

I personally have used the RV082 ($290) and it works well. You can assign traffic to specific WAN ports (ISP's) by LAN address or application ports. I used both methods and also used DHCP address reservation to always give each PC its own internal IP.

My setup used to be ISP's to RV082 with two wireless routers (DHCP off, best security option on) set up as access points and switches behind that. I no longer use that configuration as I have canceled one of the ISPs.

Hope this helps.

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calyn   10-21-2007 at 05:49:45 PM
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The linksys is dual-homed for redundancy purposes. It cannot differentiate between different content in IP packets and route one type of content to ISP-A and another to ISP-B

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El0him   10-24-2007 at 03:54:06 AM
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You need something capable of policy based routing and I doubt any SOHO device is capable of doing that.

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