Loadbalancing & Failover
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Rakeshjp
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Q:
Loadbalancing & Failover
Failover, Network Load Balancing, Load balancing, Cisco Routers
We have to location A & B, between location we have two 2 mbps ethernet converted leased line, now we are going to update one line to 4 mbps also want to configure Loadbalancing & automatic failover in case of any line fails.

Please suggest better solution & cisco router to achive this.
ASKED: Jul 8 2009  4:52 PM GMT
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SpyMoose
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Are you using a cisco router for this or do you need a better suggestion?

We have a loadbalance setup with our SonicWALL system right now, listed under "WAN Failover & LB" there may be something similar in the Cisco router when you access it to assign your ports to recognize a secondary connection. You can then link those two for LB on your connection points, just make sure that your primary and secondary behave as such, nothing makes a router more mad than having two primary connections :)
Last Answered: Jul 8 2009  5:08 PM GMT by SpyMoose   625 pts.
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BlankReg   11280 pts.  |   Jul 9 2009  10:55PM GMT

If you configure etherchannel on the cisco routers, it will aggregate the bandwidth, so when both links are there you will get to use both links for your data. It automatically only uses one, if the other fails, it just goes slower (obviously).

If they are ethernet, then you could consider using switches instead of routers. Probably cheaper, and better throughput if you go faster in the future. If you need to route, go for the Cisco Catalyst 3560-8PC which is a little 8 port L3 switch with an SFP connector as well for fibre optic modules. The price is very reasonable for what it does, and you can just use it as a fast router.

 
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