[ovs-discuss] ovn: is there any use case of connecting two logical routers ?
Ben Pfaff
blp at ovn.org
Fri Mar 25 15:39:40 UTC 2016
On Fri, Mar 25, 2016 at 04:46:24PM +0800, Zang MingJie wrote:
> From document:
>
> To connect one logical router to another. This requires
> a pair of logical router ports, each connected to a dif‐
> ferent router. Each router port in the pair specifies
> the other in its peer column. No Logical_Switch refers
> to the router port.
>
> In my understanding, it connect two routers, and merge there routing table.
> eg, if there are two routers:
>
> r1 attached to net1 and net2
> r2 attached to net3 and net4
>
> if I connect r1 and r2, then the four networks are all connect.
>
> But what if I create a single route with all four network attach to it ?
>
> Is there any different between these two scenario ? is there any benefit of
> using two routers ?
Many scenarios can be implemented either way. The benefit is to allow a
network to be modeled in the way preferred by the user.
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