Server Fault is a question and answer site for system and network administrators. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Hey there. I have two different ADSL lines, and I'd like to use them together in order to get double speed and bandwith.

Is it possible? Is it something a software or hardware? How can I do it?


share|improve this question
up vote 2 down vote accepted

You can do outbound load-balancing and/or failover with a Peplink router, or probably the Cisco RV dual WAN routers. This should work with any Ethernet-based connections, i.e. the link out of your DSL modem in bridging mode. Some models of Peplink will also load balance/failover with 3G/4G USB.

You can only balance inbound links with specific support from your ISP. Some providers (I'm aware of and use in the San Francisco Bay Area) are offering ADSL2+ bonded links so you use two circuits (and about twice the throughput) but your router and their DSLAM treat it as one link for throughput. Lose one link and you still have the same IP addresses.

share|improve this answer

Bonded ADSL is what you are looking for.

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.