wireless

Recently one of my clients asked me to help resolve an issue at an aggregation point on their network. They had several connections that converged onto a single unlicensed link on their network, not only was the link saturated, but it had lots of bi-directional traffic going across it. While I would’ve preferred to move them to a licensed setup, the associated costs were astronomical when compared to implementing a little ospf-fu.

The basic idea here is to create two ospf paths we can use, and on each side ‘de-prefer’ one of them. This allows us to one radio for sending data, and one for receiving data. (although OSPF traffic will still be sent and recieved across either link independently, it should not cause you any issues) This setup creates a simulated full-duplex link. Lets take a look at an example that will for work for Cisco or ImageStream (Quagga) routers…

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