[Commotion-dev] Commotion IP ranges for multiple mesh interfaces?

[Dan Staples]

Hi Miles,

The way we do IP addressing now is that each node will auto-generate IP
addresses for its interfaces based on the most significant bytes of the
device's MAC address. The mesh IP is in the 100.64.0.0/10 range, while
access point and ethernet interfaces are bridged and give out addresses
on the 10.0.0.0/8 range. We've often had the scenario where we'll want
to mesh over the upstream subnet (e.g. meshing over ethernet on a
switch), but creating multiple, non-overlapping mesh networks with the
same devices is a new use case for us.

So in other words, suggestions are welcome! Unless you want to
pre-provision all the IP addresses on the network, it seems like you'll
need a new scheme for auto-generating addresses that won't result in
collisions. Perhaps partitioning the 100.64.0.0/10 space into 3 separate
subnets might be one solution?

Dan

On 05/25/2014 07:55 PM, miles wrote:
> 
>  I want to create  different meshes for each radio frequency (900,2.4, 5Gzh) This means I need different IP spaces for the ad-hoc networks. 
> 
> 
> As part of the IP renumbering, is there a commotion band plan for IPing multiple meshes? The same thing will pop up when creating point to point links on different channels. 
> 
> 
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-- 
Dan Staples

Open Technology Institute
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