failover for second line

What type of devices exist for a line failure.  If we have a fiber line and then want to ensure backup with a cable line, what is the intermediary device that we would have that would cut over to the backup in the event of a primary line failure?  Any direction or experience appreciated.
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MdlinnettConnect With a Mentor Commented:
How large is your business in term of users / traffic?

At the entry level, Draytek and Zyxel provide routers that support dual-WAN.

At the SMB / Enterprise level, most hardware Firewalls will support dual-WAN, not only in terms of switch-over, but also in terms of policy-based routing (send all VoIP data out on WAN A, receive HTTP traffic on WAN B).

The benefit of going for something like Untangle or (my personal preference), a Firewall like a WatchGuard, is the unified threat management subscription services which help protect your business and your users.
Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
Dual WAN routers if I understand your question.  There are plenty to choose from.  
Personally, I like Untangle.  The Dual WAN part is not free, but it offers many services for free and optional paid enhancements.
al4629740Author Commented:
the network may be up to 150 users
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al4629740Author Commented:
kids will be on the network
As kids will be on the network, do you have anything in place currently to provide Gateway Antivirus / Web Content Filtering?

It sounds like you're creating a new network, is that correct?
al4629740Author Commented:
Yes.  I will be using opendns
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