[Xorp-hackers] Doubt about packet forwarding

[chintamani wandhre]

On 3/10/07, Pavlin Radoslavov <pavlin at icir.org> wrote:
>
> > 1.We are not able to find how the data packet are forwarded in PIM SM.
> > 2.How the packet is identified weather it is a data packet for pim sm?
> Where
> > is it processed ?
> > 3.where are the data forwarding rules implimented??
> > 4.We are not able to figure out flow !!! :) Please suggest the class
> > name/file name.
>
> The data packets are not forwarded by PIM-SM, but by the kernel.
> I am excluding the data packets encapsulated in PIM Registers,
> because those are not used in Bidir-PIM.
> PIM-SM however installs (via the MFEA) the forwarding entries in the
> kernel.
>
> If you are interested in the PIM control packets however, then
> PimNode::proto_recv() inside pim/pim_node.cc is the entry point, and
> then follow the code :)


we are not able to identify how do we by pass packet forwarding rules of
PIM-SM & use rules for PIM-Bidir which we want to implement i.e oglist for
bidir


Regards,
> Pavlin
>
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