Mesh speed + traceroute

[Petri Virkkala]

If someone else is struggling with low speeds, there is a iwconfig command which did the trick for us: 

"sudo iwconfig mesh rate 54M" (man iwconfig)

- Petri Virkkala


> Hi Javier and Andrey,
> 
> thanks for your fast replies!
> 
> Connection speed was measured by a simple ssh file transfer between 
> two links. I might be wrong but I remember reading somewhere that 
> there is/was an 1Mbit limit to connection speed. Could it assosiated 
> with the zd1211rw driver we are using?  What else could explain the 
> slow transfer rate?
> 
> - Petri Virkkala
> 
> ----- Alkuperäinen viesti -----
> Lähettäjä: Javier Cardona <javier at cozybit.com>
> Päiväys: Lauantai, maaliskuuta 14, 2009 0:30
> Aihe: Re: Mesh speed + traceroute
> Vastaanottaja: devel at lists.open80211s.org
> 
> 
> > Hi Petri,
> > 
> > On Fri, Mar 13, 2009 at 6:05 AM, Petri Virkkala
> > <petri.virkkala at ee.tamk.fi> wrote:
> > > thanks for your hard work! We are testing mesh in a school project 
> 
> > and have a working network with 4 nodes. We are using A-link WL54USB 
> 
> > adapters which seem to work well with the zd1211rw driver.
> > >
> > > I have a few questions:
> > >
> > > - Is the connection speed limited to 1Mbit/s? We can't seem to get 
> 
> > file transfer speeds above 100-120kb/s
> > 
> > It is not.
> > 
> > > - Routing seems to work fine, but why doesn't traceroute show the 
> 
> > amount of hops properly? Is there some tool which could confirm the 
> 
> > number of hops?
> > 
> > traceroute shows layer 3 routes, and the mesh forwarding happens below
> > the network layer.
> > You can infer the number of (mesh) hops a packet has gone through by
> > inspecting its Mesh TTL field.  You can either instrument the kernel
> > or use a sniffer:  there's no tool for that.
> > 
> > Javier
> > 
> > -- 
> > Javier Cardona
> > cozybit Inc.
> > _______________________________________________
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> > Devel at lists.open80211s.org
> > http://open80211s.com/mailman/listinfo/devel