Routing engine in a mixed chassis N7K

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Hello!
I would like to know how the routing in an N7K mixed chassis works, if I have more than one M-series module.
Which module processed the routing? Which of the m modules? Can I configure this? (hardware proxy layer-3 routing?)
What should I do that this do not happen?
Why should the N7K transport the paket this way?
Thanks and regards.

Hello,
Only the 2nd picture you put here shows up, so I can only comment on that. 
So by default when when you are doing proxy L3 routing the F1 modules will load balance across all M1 modules to perform the route lookups.  However you can configure this and choose which modules should be doing the routing:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/unicast/command/reference/l3_cmds_h.html#wp1533507
The main reason why the situation in the 2nd picture happens is that the F1 module doesn't know which port we will need to send the traffic out after it gets routed, so it sends it to any M1 module for the lookup.  Once that M1 module performs the lookup it will send it to the correct destinaion port, so it may have two passes through the fabric.
Chad

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    iva Ravada,
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    iva Ravada,
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    How can I use request to work with point?
    Thanks once again
    hai_va

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