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> Yes, the extra routes extension allows IP addresses from any of the 
networks connected to the router.
> I see in the code that send_redirects is set to 0 so it will not generate 
ICMP redirect messages in the case you mentioned. I don't see anything 
obviously preventing the forwarding to a next hop on the same subnet, but 
you would have to try it out to be 100% sure.
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> On Thu, Mar 12, 2015 at 5:25 PM, NAPIERALA, MARIA H <mn1921-
60p5jsuXm+c at public.gmane.org> wrote:
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> Can a static/extra route on Neutron router point to an internal/tenant 
subnet interface as the next-hop?  
> If yes, can Neutron router forward packets received from a host on an 
attached subnet and matching on a configured static route back to the same 
subnet (to a different host)?
>  
> Appreciate the help answering the questions.
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>  
> Maria 
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>  
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> -- Kevin Benton
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> 
Thanks much for the reply. I have looked at the code for the extra route 
extension and there was nothing preventing the static route next-hop to be 
on an internal subnet. However, all the discussion or expamples I found 
were about the external subnets. So, I wanted to make sure.. I guess this 
is probably where it is pimarily being used.

Regarding the second question, at least the router should not send ICMP 
redirect (thanks for pointing it out). I will try it.

Maria