On Sun, Mar 25, 2012 at 2:02 PM, Suresh Kumar Subramanian <sureshkumar.s@carc.co.in> wrote:

Hi,

I am so interested to tune the kernel forwarding path.

My questions are,

Is it possible, to  expose some API to user space to manipulate the routing table (Ex: add equal cost /unequal cost routes for load balancing? Is it possible, to change the routing flow ( i want to add some custom module before route look up) and expose some API to user space? Is it possible , to influence the routing look up mechanism?

I am not able to find the good docuements for this. can some one share some good tutorial /link?

netfilter.org, tc (traffic control userspace prog) maybe xtables

Thanks suresh

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