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Two Different isp links one Frame Relay and one adsl

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johnyb

IS-IT--Management
Sep 20, 2003
5
CY
Dear all ,

I want to know if it's possible to make a load balancing connection between two different isp's , one connection is frame relay 512k and one adsl with different ip ranges of course!
I want only outgoing packets to be load balanced , i'm not interested to the incoming connections !
Does anybody has a simple configuration ?

Thanks!
 
dear computerhighguy,

it's intresting but is not my answer!

 
I think you'd have to setup NAT on your router, and put the both of the public IP's in the NAT pool. Then put 'ip nat outside" on both of the external interfaces.. and do a ip route 0.0.0.0 0.0.0.0 for each ISP's gateway..


That should work, but i'm not 100%


BuckWeet
 
WHy load balance. How about just using policy routing to route one subnet to one isp and one to another. its not pretty but its more practical and you don't have the arrival time problems you would have with slow lines on one side and faster lines on the other. then with static route statements you could provide failover using administrative distance.

i also think that fatpipe networks provides an appliance that will do this for you albeit it is priced high
 
the solution for this is BGP. IT will load-balance both incoming and outgoing traffic, despite the ip range or internet provider being utilized.

As a failover, the router hardware is still a single point of failure, but it allows you to utilize the bandwidth of both while having redundant access should one of your two connections go down.

 
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