View Full Version : combine service from 2 ISP's on 2 T1 lines for a Lan & IP Phone system
09-17-2003, 06:18 PM
I have 2 different T1 lines coming into work now, with 2 different networks on them with internet service from 2 different providers. Is there a way I can link them together so when 1 goes down the other one steps in and picks up the slack? I need the addresses to be given out from a Cisco router, with IP Phones service build in. I really only want the other line connected as a back up or to take advantage of the added bandwidth. I have 2 servers as well.
09-18-2003, 08:14 AM
There are a ton of different ways to do this, depending on your setup & how much you want to spend. So do you want to load balance between the lines, or use one as a failover? That will make a difference.
Also, how many clients on the network? What type of network is it? What type of equipment are the lines coming in on?
09-18-2003, 04:27 PM
We use that here at work but in a different config. Our Compaq servers use two nics with Teaming software. Your options are to run load balanced, fail on fault, and smart switch.
09-18-2003, 11:32 PM
One line is used for Video conferencing (ATM style network) and we only use 772kb ---386k for each system. This line also has internet on it (Ethernet)- has itís own DNS) and currently is not a part of our LAN
The other line just installed connects us to main office has servers on it both local to us and remote. This line is also used for our new Cisco IP phone system. And our Cisco router also serves as our DHCP now. And due to firewall security I must connect to this network so outlook will connect to our exchange server in the main office.) this network is a little flakey when it comes to internet so I would like to do one of the following either have internet on first line kick in when internet on second line drops out. Or be able to combine the two lines and enjoy the increase in bandwidth.
Is this possible and what are the possibilities?
09-19-2003, 01:23 AM
Hmmm, you could install a proxy server with 2 nics and set the Metrics in Windows Networking that would basically tell windows you'd prefer to use line A but if it's not avail. then go to line B.
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