I need to join two different gateway internet connections from same isp

Discussion in 'Cisco' started by Marskarthik, Mar 3, 2006.

  1. Marskarthik

    Marskarthik Guest


    I have a cisco 2511 router with 2 Serial interfaces.

    I have two internet connections 2Mbps and 1Mbps from same ISP but on
    different gateway. I want to join them to get 3 Mbps on Cisco 2511.
    Whether this one is possible and how to do that?

    Can someone send me a code for this?

    Marskarthik, Mar 3, 2006
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  2. Marskarthik

    Charlie Root Guest

    Straight-forward way is simply point equal-cost default routes over each
    interface and enable per-packet CEF switching; your provider also needs to
    two point equal-cost routes towards your network. However chances that you
    won't get 3Mbps on 2511 as its performance on minimal (64 bytes) packets is
    only 2.25Mbps at best. Also, such load-balancing assumes that links are of
    equal bandwidth, while in your case they're not. In order to unequal-cost
    load balancing you have to use EIGRP routing (chances are your provider
    won't do it) or multi-chassis multilink PPP (chances are your provider won't
    do this either).

    Kind regards,
    Charlie Root, Mar 3, 2006
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