Yes you can. I assume you want two broadband network simultaneously serving one home LAN network.
This is very uncommon in home environment, where typically each home has ONE broadband connection serving one home network, but is very very common in enterprise network where two or more branch offices are linked to each other via separate broadband connections or leased lines for redundancy and fault tolerance. Various schemes exist to use these broadband connection like 50:50, round robin, active-standby and so on, Perhaps one of these schemes is what you may be looking at while trying to use more than one broadband connection at home.
So all we need to support this requirement is to port an entry-level enterprise solution in the home environment. This involves incorporating a wired load balancing router (3-8 ports) or using a Wifi Router that supports dual WAN. These routers substitute the existing wired or wifi router at home without disturbing the home network architecture in a major way.
Wired load balancing routers, however, in terms of configuration, is quite different (rather complex) from your regular wireless router which actually is a two port (or two interface router)+ integrated 4-port LAN switch where one interface connects to one internet connection (WAN) and the other serves the LAN over wired and wireless. And the wired load balancing router solution is not limited to two internet connections, but can use 3, 4, 5 etc depending on how many ports (minus 1) that the load balancing router has.
Wired load balancing routers, however, in terms of configuration, is quite different (rather complex) from your regular wireless router which actually is a two port (or two interface router)+ integrated 4-port LAN switch where one interface connects to one internet connection (WAN) and the other serves the LAN over wired and wireless. And the wired load balancing router solution is not limited to two internet connections, but can use 3, 4, 5 etc depending on how many ports (minus 1) that the load balancing router has.
DataFlow (Router with 2 WAN and 1 LAN)
Physical Network interconnection topology
Various solutions exist to serve consumer level load balancing router market like:
- Ubiquiti Edgerouter Lite ER3 (https://www.ubnt.com/edgemax/edgerouter-lite/) - I use this as my router at home.
- TP-Link TL-R480T+ (http://www.tp-link.com/en/products/details/cat-4910_TL-R480T%2B.html)
- Draytek Vigor2925 (http://www.draytek.com/index.php?option=com_k2&view=item&id=5247&Itemid=660&lang=en)
- Trendnet 4-port dual WAN VPN router (http://www.trendnet.com/products/proddetail?prod=185_TW100-BRV324)
- Some Wifi Router like very popular and common Asus RT-AC68U in which you can configure one of the 4 LAN ports or the USB port for failover/load-balance of wifi [http://www.techpoy.com/2014/11/asus-rt-ac68u-dual-wan-set-up.html]
and these are frequently used in home environments and small home offices. You may see more suitable candidates from the router rankings at smallnetbuilder:
One typical use case is work from home (or even Virtual Desktop) which requires a stable link. the two connections will provide you more reliability and fault tolerance in your link with office (It should be more rare for two broadband connections from different SP to go down at the same time). The principle is same as that of core reliability design i..e of using redundant unreliable parts to make the system more reliable.
However if you are using Home office, you may want to keep home network and office network separate physically by just keeping two connections, two ISP modems and two routers.
http://www.smallnetbuilder.com/tools/rankers/router/ranking/None/rev8/6
One typical use case is work from home (or even Virtual Desktop) which requires a stable link. the two connections will provide you more reliability and fault tolerance in your link with office (It should be more rare for two broadband connections from different SP to go down at the same time). The principle is same as that of core reliability design i..e of using redundant unreliable parts to make the system more reliable.
However if you are using Home office, you may want to keep home network and office network separate physically by just keeping two connections, two ISP modems and two routers.
- Suman Kumar Luthra @ APRC-P3 Telecom Sub-committee
My 2 cents. Been there and done that - not an elaborate solution as described here but just two ISPs and reconnect to a different wifi access point when one goes down. I had both Airtel and BSNL for a long time (nearly two years) and finally gave up on the BSNL connection.
ReplyDeleteIt was simply not worth it, especially with 3G/4G mobile options. These days if there's a downtime for my ACT broadband, I just buy a prepaid 4G data pack for a few hundred bucks and I'm covered till the service is restored.
I came back from an ISP-Consumer meeting for service improvement. Here is what the two sides of the problem were:
DeleteCustomer: My kids exams. She could not study as internet was down and she needed it for the preperations.
ISP: Their was a fiber cut on the road behind APR due to some digging work and it was entirely unexpected event for us. 2 weeks back another ISP serving in your complex faced same problem because workers cut cables while digging outside your facility
To me its quite clear, its not possible to entire eliminate such problem. Customer can apply pressure on ISP, ISP may or may not decide to provide backup path in 1-2 years time to improve network reliability. Its not dependable. Customer will feel urge to change and migrate to another where he may still face same issue.
So we suggest to
1. keep 2nd connection as failover and/or load balance if you are WFH and sensitive to outage. All enterprises do this. You should be really unlucky to lose both at same time time
2. If not tech savy, use a consumer grade or enterprise Wifi router which can implement WAN failover like two wierline connection or one wireline and one mobile broadband connection. It exposes single LAN and WLAN but routes to 2 ISP's WANs. So if one connection fails, you stand a better chance of not getting effected as router will find alternate path automatically within a few seconds
This is live always on solution. a Warm/Hot backup. What you are suggesting is a cold backup, which requires consumer to manually intervene when connection is down.
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