Kernel IP Forwarding path

[Jim Cromie]

On Sun, Mar 25, 2012 at 2:02 PM, Suresh Kumar Subramanian
<sureshkumar.s at 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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