From: Andrew Lunn <andrew@lunn.ch>
To: The list for a Better Approach To Mobile Ad-hoc Networking
<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] limit of if per batman
Date: Wed, 25 Jan 2017 04:02:22 +0100 [thread overview]
Message-ID: <20170125030222.GA25360@lunn.ch> (raw)
In-Reply-To: <946ed248-8900-a0e2-4f35-ff288b04e360@viisauksena.de>
On Wed, Jan 25, 2017 at 03:21:58AM +0100, jens wrote:
> On 24.01.2017 14:39, Sven Eckelmann wrote:
> > There is no artificial limit added by batman-adv. But transmitting a lot of
> > broadcasts over 255 virtual links sharing the same physical link
> > might get interesting (independent of batman-adv).
>
> this made me curious , and i modified your script a bit - turns out
> after the 127. IF you add to batman-adv you get an Error -
> all 510 gretap links was succesfully build ...
> # ifconfig |grep gre| wc -l
> 515
> # batctl if|sort|wc -l
> 127
> the error is mainly
> *Error - can't write to file
> '/sys/class/net/gre128/batman_adv/mesh_iface': Cannot allocate memory
Hi Jens
What sort of machine are you running this on? How much RAM does it
have?
My guess is, you are running it on a little box with not much RAM. If
you tried again on your desktop with a few Giga byte of RAM, you will
get a different limit.
Andrew
next prev parent reply other threads:[~2017-01-25 3:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-23 17:26 [B.A.T.M.A.N.] limit of if per batman jens
2017-01-24 13:39 ` Sven Eckelmann
2017-01-25 2:21 ` jens
2017-01-25 3:02 ` Andrew Lunn [this message]
[not found] ` <ba5c036e-e34b-2b43-4df2-bc1c8883eedd@viisauksena.de>
2017-01-25 7:15 ` Sven Eckelmann
2017-12-26 14:19 ` Sven Eckelmann
2018-01-23 12:33 ` Sven Eckelmann
2018-02-03 7:41 ` Sven Eckelmann
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