merge 3 isp lines in to single network
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10-13-2017 05:38 AM - edited 03-05-2019 09:17 AM
In my office I have 3 ISP (1st Leased line 2 mbps, 2nd Leased line 8 mbps, broadband 16 mbps). I have 20-25 users(on lan network). I want to merge all 3 Isp into single network for better bandwidth and if any one/two of them disconnected/down then other network can manage the network. Now my question is, Can I merge 3 Isp?, is it a good Idea? if not then what is the best Idea for that. If yes then what device(Load balancer/Firewall) will I need to achieve this and if anyone can tell me device model number then it will be a great help.
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10-13-2017 06:00 AM
However, there are technologies that will dynamically load balance across them. For example, Cisco's PfR (http://cisco.com/go/pfr). Different Cisco devices support it. Which might be best for you depends on other considerations.
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10-13-2017 07:06 AM
I concur with Joseph, there is no way to do this. The best you are going to get is load balancing. Alternatively to PfR, if there are 3 separate routers plugging into each of the 3 respective WAN lines and you have a switch connected on the LAN side of all of them, you could run Gateway Load Balancing Protocol (GLBP) if your switch supports it.
https://networklessons.com/cisco/ccie-routing-switching/glbp-gateway-load-balancing-protocol/
