From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Simon Wunderlich Date: Tue, 16 Oct 2018 12:00:37 +0200 Message-ID: <3063679.xsfac3rA88@prime> In-Reply-To: <02cd01d46535$b6f468d0$24dd3a70$@sina.com> References: <4303236.klkYGd5fVA@prime> <02cd01d46535$b6f468d0$24dd3a70$@sina.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart7662796.ZuOoLiKVQS"; micalg="pgp-sha512"; protocol="application/pgp-signature" Subject: Re: [B.A.T.M.A.N.] BLA and gateway mode List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: gary Cc: b.a.t.m.a.n@lists.open-mesh.org, =?utf-8?B?J9Cc0LDRgNC6INCa0L7RgNC10L3QsdC10YDQsyc=?= --nextPart7662796.ZuOoLiKVQS Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" Hi Gary, On Tuesday, October 16, 2018 5:50:42 PM CEST gary wrote: > Hi Sinon, >=20 > Thanks for your tips. The loss happens only on one mesh point, other mesh > points work well. By default bla is enabled on all of the mesh point. > Can disabling bla on non-backbone mesh point help to improve the mesh > network's overall performance? I don't think this will help. If they are not on a shared backbone, BLA wil= l=20 not do much more than sending an "announce" frame every 10 seconds. This=20 shouldn't have performance implications. Cheers, Simon >=20 > Regards, > Gary >=20 > -----Original Message----- > From: Simon Wunderlich > Sent: 2018=E5=B9=B410=E6=9C=8815=E6=97=A5 18:12 > To: b.a.t.m.a.n@lists.open-mesh.org > Cc: gary ; '=D0=9C=D0=B0=D1=80=D0=BA =D0=9A=D0=BE= =D1=80=D0=B5=D0=BD=D0=B1=D0=B5=D1=80=D0=B3' > Subject: Re: [B.A.T.M.A.N.] BLA and gateway mode >=20 > Hi Gary, >=20 > when the loss happens, for how long does it happen? Do you see where/why = the > ping packets get dropped? That should be the first step to find out, IMHO. >=20 > Changing the gateway should be working in general [1]. It's also possible > that the loss is mesh related and the gateway change happens due to a node > failing in your mesh - that would be a problem independent of BLA. >=20 > I hope those suggestions help you to find out the problem. :) >=20 > Cheers, > Simon > [1] > https://www.open-mesh.org/projects/batman-adv/wiki/Bridge-loop-avoidance-= Te > stcases#A-client-switches-its-gateway-due-to-loss-of-linkbetter-TQ > On Monday, October 15, 2018 2:34:53 PM CEST gary wrote: > > Hi, guys, > >=20 > > I meet an issue related to bla. > > There are two backbone nodes on backbone LAN, and many mesh nodes > > connected with the two backbone nodes. When I run ping test on one > > client, there is about 20% packet loss. And I find out the packet is > > always loss when the client is switch from one backbone node to > > another one(observing "batctl cl" on backbone node). > >=20 > > Do you have any suggestion for the issue? > >=20 > > Thanks very much. > > -----Original Message----- > > From: B.A.T.M.A.N On Behalf > > Of Sven Eckelmann Sent: 2018=E5=B9=B410=E6=9C=8812=E6=97=A5 14:06 > > To: b.a.t.m.a.n@lists.open-mesh.org > > Cc: =D0=9C=D0=B0=D1=80=D0=BA =D0=9A=D0=BE=D1=80=D0=B5=D0=BD=D0=B1=D0=B5= =D1=80=D0=B3 > > Subject: Re: [B.A.T.M.A.N.] BLA and gateway mode > >=20 > > On Freitag, 12. Oktober 2018 10:55:02 CEST =D0=9C=D0=B0=D1=80=D0=BA =D0= =9A=D0=BE=D1=80=D0=B5=D0=BD=D0=B1=D0=B5=D1=80=D0=B3 wrote: > > > Hello, guys. > > >=20 > > > Does anybody know if BLA is somehow connected with gateway mode ? > >=20 > > No it isn't connected. > >=20 > > > In > > > short, I'm unsure if gateway mode algorythms influence only DHCP > > > traffic. It is not strictly said. Documentation about BLA II use > > > term "gateway". As afr as I understand, there maybe case when BLA > > > gateway is one node, and DHCP gateway is another one. > >=20 > > Correct > >=20 > > > So, the question: does > > > GW functionality influence BLA algorythms ? > >=20 > > No > >=20 > > Kind regards, > >=20 > > Sven --nextPart7662796.ZuOoLiKVQS Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE1ilQI7G+y+fdhnrfoSvjmEKSnqEFAlvFtsUACgkQoSvjmEKS nqEVPRAAo3jI/1jtDqF6b6YZIJgLS5IvdmqW+asdSqJStcS308vW8Aur4NsHkhrr V8Iqg7CLuxTxQHytNqgP94mghGk9s7iiWPLIUxQAXHKXgcSidhBXEJC4SMMbO5Sf Xncro1SNdzL/x92xY5S9MGMwzCfQTIIThG36B8q+28f+HC0QIY6EDnIY8m8kzP+Z GoPeht5jsNQ/qj1I+8aJkVwjkAifWpdDjwOMF1xj2sSKYqEI9Fq85R1JbRqOLy8e FS3Z9ZKIuS7M33VnPhLYxQ4QNg8ctC0aUh6yE9IzfyZEsGIbxE0Wz0725PTWTSP8 qEMTB9odc5j2HI50MzEOiQRtUYfg5JzT9RG3WEfS8RMo5/nTOPhFtG+qnmi7UIca GgAC+OcGK6Py1ULTnMAaLoZO4nwE78xjDHt5RVenVznkpoAfOmy/0XBLhQVUXJ1A N/1AaYawm8WhbjFRd2e0fahlTvIYDCnxerH+52ekxhbCka70VHoZ8U9JTZRLWvTJ XdXIdu0QXrVvewmpO5cfmt/SZXQt/wYfGVlXkQZ+3zBrJlbBF43I0k1+vmr7kdXs MwJhPWR11xtLvO9WJenoY8mGDb7Eqs/jNVTavvnbHOthDIClHyGBrxUq5jpl4lqz vTbDYu7Dmm2bOXaReypmOjP0/hWdMcLN4XR1FSMbI64Nfred44A= =aeE6 -----END PGP SIGNATURE----- --nextPart7662796.ZuOoLiKVQS--