Load balancing between two gateways

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For load balancing between two gateways use:

ip route del default
ip route add default scope global nexthop via <gateway_1> dev <interface of gateway 1> weight 1 \
     nexthop via <gateway_2> dev <interface of gateway 2> weight 1

Here weights can be changed to make one route more preferable to other.

We can use 'ip route show' command to verify that routes got added properly.

For more information refer http://lartc.org/howto/lartc.rpdb.multiple-links.html#AEN298

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