[Chilli] Chilli Digest, Vol 63, Issue 14
Bojan Pogacar
bojan at gajba.net
Sat Mar 7 07:28:03 UTC 2015
iptables rules are exactly the same on Barrier Breaker RC2 and Barrier
Breaker RC3 and final, but upload limit was broken in RC3. There are
also iptables rules in FORWARD chain for upload limiting (are this the
right one?)
pkts bytes target prot opt in out source
destination
0 0 DROP all -- * br-hotspot 0.0.0.0/0
0.0.0.0/0
316 97194 DROP all -- br-hotspot * 0.0.0.0/0
0.0.0.0/0
Some packets are also dropped, but upload limiting is not working.
Version of coova chilli is the same 1.3.0.
Any other suggestion?
Kind regards, Bojan
Dne 7.3.2015 ob 0:41 je Ming-Ching Tiew zapisal(a):
> I tend to think it's iptables problem. For bandwidth control to work,
> the packets at the LAN interface has to be dropped by iptables.
>
> ------------------------------------------------------------------------
> *From:* Bojan Pogacar <bojan at gajba.net>
> *To:* chilli at coova.org
> *Sent:* Saturday, March 7, 2015 7:15 AM
> *Subject:* Re: [Chilli] Chilli Digest, Vol 63, Issue 14
>
> Hello David and others!
>
> Does anyone has any idea why on OpenWRT (Barrier Breaker, final release)
> upload limit is not working - the oposite problem, it is not sharp
> enough: https://dev.openwrt.org/ticket/17995
>
> Kind regards,
> Bojan
>
>
> Dne 28.2.2015 ob 1:28 je David Bird zapisal(a):
> > You can use --tcpmss to clamp the TCP MSS. But, I agree, your issue is
> > very likely gso related. Something like "sudo ethtool -K eth1 gro off"
> >
> > On Fri, Feb 27, 2015 at 2:00 PM, Richard REY <richard at rexy.fr
> <mailto:richard at rexy.fr>
> > <mailto:richard at rexy.fr <mailto:richard at rexy.fr>>> wrote:
> >
> > Yes, but this doesn't explain why there isn't any problem when the
> > flows pass through the appliance. this issue is seen only when the
> > TCP flows is sent to an internal processes
> >
> > I'll try to disable packet off-loading next monday.
> > I'll also try to forbid the "jumbo frame" on NIC
> >
> > Rexy
> >
> > Le 27/02/2015 20:50, Alexandru Gheorghe a écrit :
> >
> > Usually fragmentation needed means you need to adjust the MTU of
> > your nic.
> >
> > Alex
> >
> >
> > On 02/26/2015 02:30 PM, Claus Stjernoe wrote:
> >
> > Hi Richard,
> >
> > Try to disable packet off-loading on the Gigabit NIC.
> >
> > Kind regards,
> > Claus
> >
> > -----Oprindelig meddelelse-----
> > Fra: chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>
> > <mailto:chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>>
> > [mailto:chilli-bounces at coova.__org
> <mailto:chilli-bounces at coova.__org>
> > <mailto:chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>>] På vegne af
> > chilli-request at coova.org <mailto:chilli-request at coova.org>
> <mailto:chilli-request at coova.org <mailto:chilli-request at coova.org>>
> > Sendt: 26. februar 2015 13:00
> > Til: chilli at coova.org <mailto:chilli at coova.org>
> <mailto:chilli at coova.org <mailto:chilli at coova.org>>
> > Emne: Chilli Digest, Vol 63, Issue 14
> >
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> > When replying, please edit your Subject line so it is more
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> > Today's Topics:
> >
> > 1. Re: Chilli Digest, Vol 63, Issue 12 (Richard REY)
> >
> >
> >
> ------------------------------__------------------------------__----------
> >
> > Message: 1
> > Date: Wed, 25 Feb 2015 22:48:56 +0100
> > From: Richard REY <richard at rexy.fr
> <mailto:richard at rexy.fr> <mailto:richard at rexy.fr <mailto:richard at rexy.fr>>>
> > To: chilli at coova.org <mailto:chilli at coova.org>
> <mailto:chilli at coova.org <mailto:chilli at coova.org>>
> > Subject: Re: [Chilli] Chilli Digest, Vol 63, Issue 12
> > Message-ID: <54EE4348.2090503 at rexy.fr
> <mailto:54EE4348.2090503 at rexy.fr>
> > <mailto:54EE4348.2090503 at rexy.fr
> <mailto:54EE4348.2090503 at rexy.fr>>>
> > Content-Type: text/plain; charset=windows-1252; format=flowed
> >
> > Hi,
> > I use COOVA in its last version (SVN revision 492) running
> > on an ALCASAR appliance (mageia 4.1 - kernel 3.14.32), all
> > is OK excepted a flow issue.
> > When a TCP stream goes across the appliance there isn't any
> > flow issue (forward mode). BUT when a TCP stream is sent
> > inside the appliance (to a HTTP proxy for example) the
> > observed flow is very weak (Input mode). The problem is
> > maximal when the card connected to COOVA is in the Gigabit
> mode.
> >
> > Our investigation :
> > From the appliance, we try to download a file located on
> > a FTP server connected on the network controlled by COOVA.
> > Without COOVA the observed flow in gigabit mode is about
> > 888Mb/s whereas with COOVA we can see just
> > 68 Kb/s (YES 68 Kb/s). Regarding the packets exchanged we
> > can see ICMP packets sent by the appliance (Destination
> > unreachable (Fragmentation needed).
> > We found a by-pass ?solution? by fixing the speed of the
> > card to 100Mb/s. At this speed the phenomenon is practically
> > invisible (just one ICMP packet sent) and the flow
> > approaches the maximum supported by the network card. On a
> > virtual machine where we can't fix Ethernet speed, we must
> > choose a 100Mb/s virtual Ethernet card when building the VM.
> > We have the Pcap file of our investigation. I say it again,
> > this issue is seen only when the TCP flows is sent to an
> > internal processes (in 'forward' mode all is ok).
> >
> > Regards
> > Rexy & ALCASAR team
> >
> > Le 23/02/2015 08:59, kl a ?crit :
> >
> > I see problem on kernel version > 3.7 right up to 3.10.
> > Above 3.10 not tested.
> > However, in the other quoted post, it says kernel 2.6.39
> > upto 3.3.4. Above that not tested.
> > Something not consist here.
> >
> > So which kernel version you guys are using which are
> > seeing this problem ?
> >
> >
> > On Monday, February 23, 2015 3:13 PM, Danny Magat
> > <danny at sb-ps.ae <mailto:danny at sb-ps.ae>
> <mailto:danny at sb-ps.ae <mailto:danny at sb-ps.ae>>> wrote:
> > This problem is still exist on my setup.
> > http://lists.coova.org/__pipermail/chilli/2013-__November/002437.html
> >
> <http://lists.coova.org/pipermail/chilli/2013-November/002437.html>
> >
> > I hope that somebody will give us a hint on how to solve
> > this.
> >
> > Regards,
> > Danny
> >
> > -----Original Message-----
> > From: chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>
> > <mailto:chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>>
> > [mailto:chilli-bounces at coova.__org
> <mailto:chilli-bounces at coova.__org>
> > <mailto:chilli-bounces at coova.org
> <mailto:chilli-bounces at coova.org>>] On
> > Behalf Of chilli-request at coova.org
> <mailto:chilli-request at coova.org>
> > <mailto:chilli-request at coova.org
> <mailto:chilli-request at coova.org>>
> > Sent: Sunday, February 22, 2015 4:00 PM
> > To: chilli at coova.org <mailto:chilli at coova.org>
> <mailto:chilli at coova.org <mailto:chilli at coova.org>>
> > Subject: Chilli Digest, Vol 63, Issue 12
> >
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> >
> > Today's Topics:
> >
> > 1. Too sharp upload bandwidth limit on 1gbps wired
> > network (kl)
> >
> >
> >
> ------------------------------__------------------------------__----------
> >
> > Message: 1
> > Date: Sun, 22 Feb 2015 02:21:53 +0000 (UTC)
> > From: kl <kl522 at yahoo.com <mailto:kl522 at yahoo.com>
> <mailto:kl522 at yahoo.com <mailto:kl522 at yahoo.com>>>
> > To: Chilli List <chilli at coova.org
> <mailto:chilli at coova.org> <mailto:chilli at coova.org
> <mailto:chilli at coova.org>>>
> > Subject: [Chilli] Too sharp upload bandwidth limit on
> > 1gbps wired
> > network
> > Message-ID:
> >
> >
> <122480453.6349415.__1424571713923.JavaMail.yahoo at __mail.yahoo.com
> <mailto:122480453.6349415.__1424571713923.JavaMail.yahoo at __mail.yahoo.com>
> >
> <mailto:122480453.6349415.1424571713923.JavaMail.yahoo at mail.yahoo.com
> <mailto:122480453.6349415.1424571713923.JavaMail.yahoo at mail.yahoo.com>>>
> > Content-Type: text/plain; charset=UTF-8
> >
> >
> >
> > Nobody is facing this issue with coova chilli ?
> >
> > http://www.coova.org/node/5171
> >
> > https://github.com/coova/__coova-chilli/issues/32
> > <https://github.com/coova/coova-chilli/issues/32>
> >
> > Happens only on Gigabit wired network and certain kernel
> > verson.
> > Applies to 1.2.9, 1.3.0 and other versions ....
> >
> >
> > ------------------------------
> >
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> --
> Lep pozdrav,
>
> Bojan Pogačar
> GSM: 031 262 535
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