HomeCombine 2 Internet Connections with Windows 7 Network Load Balancing (NLB) By Marcos Detourist on December 27, 2009Recently, Installed a Smart Bro Share-it connection here at home. I originally planned it to be a replacement for my Smart Bro Plan 999 (the one with the canopy / antenna) but due to connection problems I’ve been having recently with Smart Bro Share-it, I decided to keep my Smart Bro Plan 999 at least until next month so that I can have a back-up connection. Now I have two internet connections, my Smart Bro Plan 999 (up to 1mbps) and Smart Bro Share-it (up to 2mbps). Naturally, I did some speed tests to measure how my “combined” bandwidth would add up. First I did a speed test of both connections separately:Smart Bro Plan 999 Speed TestSmart Bro Share-it Speed TestConfiguring Network Load Balancing on Windwos 7I was so excited when I found about Windows 7’s built-in feature which allows you to use multiple internet connections in just one pc. This feature is called “Network Load Balancing” or NLB. No need to pay for additional software or buy a Dual Wan Router. You just buy a separate LAN Card for each connection, make sure that both connections can access the internet, and that’s it! Windows 7 automatically does the rest for you.How does it Network Load Balancing work?Theoretically, if I combined my two internet connections I would get a total bandwidth of 2.71Mbps. Unfortunately, load balancing does not work that way. I still have two external IP addresses connected and most programs would only choose to use either one of them since they were designed that way. What it does is it allows me to use multiple programs optimally like downloading or watching youtube videos and still be able to play games or surf with no delay or lag since both connections have their own separate line.Think of it as water pipes. Rather than widening the size of one pipe or increasing the flow of water, Network Load Balancing optimizes my speeds by adding another separate pipe. Now, I have a more stable connection since if either one of them bugs down or is being used extensively, I still have the other to compensate.Increased Torrent Download Speeds!Torrent downloads work very well with load balancing since they rely on multiple connections. I tried testing on a heavily seeded torrent and I was surprised to find out that the bandwidth of both of my connections added up! One of my torrents was downloading at 323.2KB/s … 1GB in just one hour … I love my dual connection!Things I’d like to know about optimizing Network Load BalancingIf only there’s a way to do this in all my downloads or when watching online streams and stuff. I’m still new at this so I don’t know how to do it.Also, I want to know how to set rules so that specific programs would only use a specific connection. Currently, I don’t know how the programs decide to use which connection. What I do is that before I launch program I have the other connection disabled and I open it later once the program is connected.I use the Smart Bro Plan 999 when playing Garena (DoTA) since it has better ping and the Share it when I’m downloading single large files since it has higher bandwidth.Don’t leave yet. There’s more!Smart Bro Share it Speed TestSmart Bro Share It Review – P999 with Free WiFi Router and…Three Years Internet Subscription with SmartBroPLDT MyDSL WIFI-Modem ReviewGetting the Perfect Travel Blogging WorkflowFirst time in Thailand and CambodiaComments memordial saysJanuary 13, 2010 at 1:08 pmnice info did you have.. could you tell me which option in windows seven that allow network load balance?? because i cant find it thank`s .. chymera00 saysJanuary 13, 2010 at 2:11 pmyou don’t have to set NLB. Windows does it automatically. All you have to do is make sure both internet connections are functioning properly. trey saysJanuary 24, 2010 at 1:32 pmHey..Can you please tell me what torrent client you used in your tests?? And did you test it with just using one of your connections and then test it again with both connections running??This is very, very interesting..:) chymera00 saysJanuary 26, 2010 at 8:32 pmUsed BitTorrent. Didn’t bother doing that test since I already did a speed test of each individual connection. Mspirit saysJanuary 27, 2010 at 10:59 amNice info :)I have a broadband 3G connection and a wireless LAN…both having internet, windows read both clearly..but when I connect the 3G while operating torrent, the connection tends to shift to it and I am no longer using my WiFi internet connection…any ideas, thanks in advance :D trey saysFebruary 3, 2010 at 6:58 pmWell I tried downloading with a well seeded torrent using my default connection and then compared the speeds downloading the same exact torrent using my default connection plus at the same time connected to another person’s wifi using my wokfi (lol) and wow.. It really does work with Windows 7!Awesome info chymera00! chymera00 saysFebruary 6, 2010 at 6:59 pmthat’s cool trey.. nice… tgilding saysMarch 15, 2010 at 6:23 pmThanks, nice update. Does this solution provide automatic redundancy? In other words if one connection goes down does the other one still work? Thanks chymera00 saysMarch 18, 2010 at 5:36 pmYes Pyronhell saysMarch 19, 2010 at 6:04 amThanks for the post, very helpful. Have you figured out how to choose manually the connection used by a application? Have tested two connections at the same time and it worked, but wanna know that -like you, I assume-. Searched the net and found nothing :S chymera00 saysMarch 19, 2010 at 1:34 pmNot yet, unfortunately. No luck googling either. I disconnected my other line BTW …I don’t need a back-up anymore since my new line is quite reliable already. Chris saysMay 8, 2010 at 4:45 pmJust wanted to add this for people who may have problems with this.You need to assing two different IP-ranges for the routers. i.e. “192.168.1.1” and “192.168.2.1” That did the trick for me. AdrivanSoft saysJuly 4, 2010 at 10:39 pmCan you please show the result after you do “IPCONFIG /ALL”…I can’t seem to make mine work. Or maybe win 7 needs to be updated.Anyway, here is the result when i do “IPCONFIG /ALL”My setup for NIC 1 is:IP: 112.202.0.22 Subnet Mask: 255.255.128.0 Gateway: 112.202.0.1 DNS: 56.96.254.141 124.101.135.73 124.101.135.71NIC 2 is:IP: 192.168.1.2 Subnet Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS: 192.168.1.1 192.168.1.1 j saysOctober 4, 2010 at 5:50 pmthis doesnt work and windows 7 built in doesnt work. I tried it using a wired lan and neighbors wifi. nada Steve Nutt saysNovember 13, 2010 at 1:13 amI have been reading up on this subject and was wondering how Windows could handle two connections. AdrivanSoft’s post made me realise that it is the network cards that have an IP address – not the computer itself. Lesson learned. John saysNovember 24, 2010 at 7:21 pmHi sir i own a smart bro plugit and at the office we have the lan connection how do i use NLB sir?….. i have not noticed the change in the speed of the connection thanks po kuya chymera00 saysDecember 2, 2010 at 3:10 amI’m not sure if the Windows 7 NLB works for a USB Internet connection and a LAN. vincent47 saysDecember 12, 2010 at 2:32 amsir..i have 2 internet connection (both wimax with 1mbps) all i have to do is buy a lan card and plug all of my internet connection, and that it NLB will work the rest?thanks po chymera00 saysDecember 15, 2010 at 8:06 amyes, it should do the trick neo saysJanuary 5, 2011 at 1:41 amim using windows 7 on laptop – so does this mean NLB needs a lan card? i tried to use bluetooth 3g on my 6233 + 1 smartbro, all the connection died. even 1 tattoo + 1 smartbro. wisam saysSeptember 7, 2011 at 2:48 pm@chymera00 , so all what i need to do is to plug my cables and done ? so here what i have , 3 internet routers, and 3 NIC , 1st router ip would be 192.168.1.xxx , second one would be 192.168.2.xxx and 3rd one 10.5.32.xxx , so all what i need is just to plug the cables to my NIC and windows 7 will do everything without any configuration from my side ? Marcos saysSeptember 7, 2011 at 4:58 pmYou should first make sure that each line is working fine (independently) then plug the connections again. That’s what I did … Windows 7 did the Load Balancing automatically. I haven’t tried it with three connections though. car insurance saysOctober 25, 2011 at 12:53 pmNice post pero kuntento n ako sa 4g with dl 70mbps and upload 40mbps. Daytime pero mas mabilis pg offpeak. Try ko nga 2 4g for experiment. Pede namn cguro para seconds na lnh 1gig download instead of one minute Ala Uddin saysNovember 30, 2011 at 2:58 pmthis set of interactions have been enormously useful for me. I am really surprised to see two connections working simultaneously. Now I am enjoying the speedy dowloads. Ronnie saysFebruary 4, 2013 at 5:51 amim using my att uverse and simple mobile 4g both connected att connected ethernet and simple mobile connected to usb down loading in vuze att is up to 6mbs and simple mobile is 4g and my down load with just att connected download is around 500kbs to 656kbs with both connented down loading is 656kbs to 1.2mbs after i use the vuze speed test wow 1.31gbs downloaded fast movie time Posting of new comments is disabled temporarily.Connect with Marcos on:Detourista.comMarcosDetourist.comFacebookInstagramTwitterDetourista.comDiscover more travel guides and blogs about the Philippines and beyond by Marcos DetouristChoose your next destination: Cambodia, Hong Kong, India, Indonesia, Laos, Macau, Malaysia, Myanmar, Nepal, Philippines, Singapore, Thailand, Vietnam
memordial saysJanuary 13, 2010 at 1:08 pmnice info did you have.. could you tell me which option in windows seven that allow network load balance?? because i cant find it thank`s ..
chymera00 saysJanuary 13, 2010 at 2:11 pmyou don’t have to set NLB. Windows does it automatically. All you have to do is make sure both internet connections are functioning properly.
trey saysJanuary 24, 2010 at 1:32 pmHey..Can you please tell me what torrent client you used in your tests?? And did you test it with just using one of your connections and then test it again with both connections running??This is very, very interesting..:)
chymera00 saysJanuary 26, 2010 at 8:32 pmUsed BitTorrent. Didn’t bother doing that test since I already did a speed test of each individual connection.
Mspirit saysJanuary 27, 2010 at 10:59 amNice info :)I have a broadband 3G connection and a wireless LAN…both having internet, windows read both clearly..but when I connect the 3G while operating torrent, the connection tends to shift to it and I am no longer using my WiFi internet connection…any ideas, thanks in advance :D
trey saysFebruary 3, 2010 at 6:58 pmWell I tried downloading with a well seeded torrent using my default connection and then compared the speeds downloading the same exact torrent using my default connection plus at the same time connected to another person’s wifi using my wokfi (lol) and wow.. It really does work with Windows 7!Awesome info chymera00!
tgilding saysMarch 15, 2010 at 6:23 pmThanks, nice update. Does this solution provide automatic redundancy? In other words if one connection goes down does the other one still work? Thanks
Pyronhell saysMarch 19, 2010 at 6:04 amThanks for the post, very helpful. Have you figured out how to choose manually the connection used by a application? Have tested two connections at the same time and it worked, but wanna know that -like you, I assume-. Searched the net and found nothing :S
chymera00 saysMarch 19, 2010 at 1:34 pmNot yet, unfortunately. No luck googling either. I disconnected my other line BTW …I don’t need a back-up anymore since my new line is quite reliable already.
Chris saysMay 8, 2010 at 4:45 pmJust wanted to add this for people who may have problems with this.You need to assing two different IP-ranges for the routers. i.e. “192.168.1.1” and “192.168.2.1” That did the trick for me.
AdrivanSoft saysJuly 4, 2010 at 10:39 pmCan you please show the result after you do “IPCONFIG /ALL”…I can’t seem to make mine work. Or maybe win 7 needs to be updated.Anyway, here is the result when i do “IPCONFIG /ALL”My setup for NIC 1 is:IP: 112.202.0.22 Subnet Mask: 255.255.128.0 Gateway: 112.202.0.1 DNS: 56.96.254.141 124.101.135.73 124.101.135.71NIC 2 is:IP: 192.168.1.2 Subnet Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS: 192.168.1.1 192.168.1.1
j saysOctober 4, 2010 at 5:50 pmthis doesnt work and windows 7 built in doesnt work. I tried it using a wired lan and neighbors wifi. nada
Steve Nutt saysNovember 13, 2010 at 1:13 amI have been reading up on this subject and was wondering how Windows could handle two connections. AdrivanSoft’s post made me realise that it is the network cards that have an IP address – not the computer itself. Lesson learned.
John saysNovember 24, 2010 at 7:21 pmHi sir i own a smart bro plugit and at the office we have the lan connection how do i use NLB sir?….. i have not noticed the change in the speed of the connection thanks po kuya
chymera00 saysDecember 2, 2010 at 3:10 amI’m not sure if the Windows 7 NLB works for a USB Internet connection and a LAN.
vincent47 saysDecember 12, 2010 at 2:32 amsir..i have 2 internet connection (both wimax with 1mbps) all i have to do is buy a lan card and plug all of my internet connection, and that it NLB will work the rest?thanks po
neo saysJanuary 5, 2011 at 1:41 amim using windows 7 on laptop – so does this mean NLB needs a lan card? i tried to use bluetooth 3g on my 6233 + 1 smartbro, all the connection died. even 1 tattoo + 1 smartbro.
wisam saysSeptember 7, 2011 at 2:48 pm@chymera00 , so all what i need to do is to plug my cables and done ? so here what i have , 3 internet routers, and 3 NIC , 1st router ip would be 192.168.1.xxx , second one would be 192.168.2.xxx and 3rd one 10.5.32.xxx , so all what i need is just to plug the cables to my NIC and windows 7 will do everything without any configuration from my side ?
Marcos saysSeptember 7, 2011 at 4:58 pmYou should first make sure that each line is working fine (independently) then plug the connections again. That’s what I did … Windows 7 did the Load Balancing automatically. I haven’t tried it with three connections though.
car insurance saysOctober 25, 2011 at 12:53 pmNice post pero kuntento n ako sa 4g with dl 70mbps and upload 40mbps. Daytime pero mas mabilis pg offpeak. Try ko nga 2 4g for experiment. Pede namn cguro para seconds na lnh 1gig download instead of one minute
Ala Uddin saysNovember 30, 2011 at 2:58 pmthis set of interactions have been enormously useful for me. I am really surprised to see two connections working simultaneously. Now I am enjoying the speedy dowloads.
Ronnie saysFebruary 4, 2013 at 5:51 amim using my att uverse and simple mobile 4g both connected att connected ethernet and simple mobile connected to usb down loading in vuze att is up to 6mbs and simple mobile is 4g and my down load with just att connected download is around 500kbs to 656kbs with both connented down loading is 656kbs to 1.2mbs after i use the vuze speed test wow 1.31gbs downloaded fast movie time