From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Sat, 21 Jul 2012 23:40:26 +0200 From: Antonio Quartulli Message-ID: <20120721214026.GC3610@ritirata.org> References: <500AFACD.7070207@eigenlab.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="vOmOzSkFvhd7u8Ms" Content-Disposition: inline In-Reply-To: <500AFACD.7070207@eigenlab.org> Subject: Re: [B.A.T.M.A.N.] batman majareta? I can batctl ping but not ping Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: The list for a Better Approach To Mobile Ad-hoc Networking --vOmOzSkFvhd7u8Ms Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hello Gioacchino, On Sat, Jul 21, 2012 at 08:54:05PM +0200, Gioacchino Mazzurco wrote: > Same bug today in ninux pisa after a node was turned off the entire > network became crazy for 2 hours, to solve i had to restart a lot of > nodes... :| >=20 Which version are you using? The lastest openwrt package version (so with a= ll the new patches?) Could you provide the log of the involved nodes whenever you get this probl= ems? I wrote something about the desired logs to Guido, you could follow the same instruction. It would really be appreciated! Thank you! Cheers, > On 07/02/12 15:30, Guido Iribarren wrote: > > (which roughly translates as "batman gone nuts?") > > Hey great devs! > > we've been having a particular issue in deltalibre and quintanalibre > > (local WCN) with batman-adv, but so far we haven't found a precise way > > to reproduce it. > > The symptom is that (after some reboots or physical displacements?) > > one batman-adv host becomes unreachable on layer3, although it is seen > > on originators table, and can be batctl ping'ed or batctl tracerout'ed > > with no problem whatsoever. > >=20 > > Even more, it not unreachable from the whole network, but instead from > > just a few other nodes. So, let's say that the nearer nodes can layer3 > > ping it , but some others farther away cannot (although i can't assure > > it depends on the hop distance) > > All of them can batctl ping it (layer2) > > A hard reboot of all the nodes solves it, connectivity is restored in > > all directions. > >=20 > > Thing is, I've just came across it again, and managed to do some tests > > to aid in description / debugging > > As an aid in understanding network topology, > > I'm attaching the wonderful output of "batctl vd dot |grep -v TT" for > > your viewing delight > >=20 > > problem node is ana > > it can be reached from ruth and hquilla (direct neighbours) > > but arping behaves erratically from colmena or charly > > and normal ping (v4 or v6) doesn't receive any reply at all when run > > from colmena or charly > >=20 > > I used arping, with and without -b , and seemed like i could narrow > > the problem down to incoming broadcast packet handling, but further > > tests just left me more puzzled! > >=20 > > all nodes are tl-mr3220 running openwrt trunk r31316 with batman-adv > > 2012.2.0 , driver ath9k > > secondary interfaces named _wlan1 are all tl-wn722n which uses driver a= th9k_htc > > nodes are around 100meters (+/-50mts) apart from each other > >=20 > > this behaviour has been observed (but not reported) in dissimilar > > setups, using ubnt bullet2 mixed with mr3220, running r29936 with > > batman-adv 2011.4.0 , with nodes 1 or 2km apart from each other. > >=20 > > Tests are the combined crude output of batctl td and arping, so to > > make this email ease on the eye, i'm publishing them elsewhere: > > http://pastebin.com/6PPwN3PS > >=20 > > The live openwrt configuration can be analysed in detail at > > https://bitbucket.org/guidoi/deltalibre-configs/src > > (it's a free, open network after all! :D ) > > in particular: > > ana -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce970fe2= /mac/54_E6_FC_BE_26_12 > > hquilla -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce97= 0fe2/mac/54_E6_FC_BE_28_34 > > colmena -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce97= 0fe2/mac/54_E6_FC_BE_29_D2 > >=20 > > Thanks a lot for the attention, > > Hope that you are having fun, and that I'm not spoiling it :) > >=20 > > Cheers! > >=20 > > Gui --=20 Antonio Quartulli =2E.each of us alone is worth nothing.. Ernesto "Che" Guevara --vOmOzSkFvhd7u8Ms Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEARECAAYFAlALIcoACgkQpGgxIkP9cwdk4QCeJNL6WVmtx7sMEDVO5XM7ySG1 lNIAn0DsD5DSpSoUhsdMLKruPr90uiMD =AyBH -----END PGP SIGNATURE----- --vOmOzSkFvhd7u8Ms--