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Subject: Re: [B.A.T.M.A.N.] Replacing OLSRD with batman-adv?
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To: The list for a Better Approach To Mobile Ad-hoc Networking <b.a.t.m.a.n@lists.open-mesh.org>

Hello Travis.

On 11/08/2013 03:42 AM, tjhowse wrote:
> Hi Ladies and Gents,
> 
> I've built a three-node mesh network using cheap TP-Link TL-WDR3600
> routers. They can do simultaneous 5.8GHz and 2.4GHz. I use the 5.8 for
> the backbone links between the nodes, and 2.4 to clients. The nodes
> are running OpenWRT and OLSRD.
> 
> This system mostly works well, but there are a couple of problems with
> it that I'm wondering if batman-adv would solve or make easier to
> solve:
> 
> 1) The backbone links cannot be better protected than WEP, a
> limitation of OLSRD,
> 2) Gateway assignment is a manual process, which must be performed on
> every node in the mesh, referring to the single node connected to the
> WAN,
> 3) The manual gateway configuration of 2) prevents peer-to-peer
> communications between mesh clients,
> 4) Each node has its own /24 subnet. This causes problems when a
> device roams from one device's jurisdiction to another if the
> interface doesn't re-issue a DHCP request.
> 
> We're expanding the network, I've just bought another ten of these
> routers, and I'm going to spend some time assessing if batman-adv
> would be a better fit for our purposes. There will be a range of ios,
> android and windows devices connecting to the mesh.
> 
> My questions are as follows:
> 
> 1) Does batman-adv worth with WPA2 or better encryption?
Yes but you need some changes such as replacing wpad-mini by wpad and
probably mac80211 and hostpad depending on which openwrt release you
will be using to do all this.

> 2) Must every client to a batman-adv mesh have a daemon installed?
Every node must have batman-adv

> 3) Is it possible to separate different radio interfaces for different
> purposes? I.E. 5.8 for backbone, 2.4 for clients.
Yes and you can even have VAP's

> 4) Can all nodes and clients on a mesh have an IP in the same subnet,
> solving some of the roaming problems caused by bad interface settings
> or drivers?
Yes.


Let me know about your progress regarding these changes if you encounter
some issues because there are some and i have also being trying to solve
them.

> 
> Thanks,
> Travis.
> .
>