Date: Thu, 24 Jun 2010 18:04:17 +0100 From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org> To: Rafael Henrique Faria <rafaelhfaria@cenadigital.com.br> Cc: freebsd-net@freebsd.org, freebsd-pf@freebsd.org Subject: Re: Unknown Behavior of PF+ALTQ on a Bridge Message-ID: <AANLkTimCHZakUfHRUplTGyNMsx3ZFuVo7wLYbRLNseQA@mail.gmail.com> In-Reply-To: <AANLkTim4F0iJvKfjCWJtAFkwYhOT4J_Yz3sZOiOdRPoj@mail.gmail.com> References: <AANLkTim4F0iJvKfjCWJtAFkwYhOT4J_Yz3sZOiOdRPoj@mail.gmail.com>
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On Thu, Jun 24, 2010 at 3:12 PM, Rafael Henrique Faria
<rafaelhfaria@cenadigital.com.br> wrote:
> Hi.
>
> I'm working on a Brige between a router Cisco 7200, and a 3Com 7900 switc=
h.
> I have several subnetworks, and I need to balance the bandwidth between t=
hen.
>
> The Brigde is running: "FreeBSD dell05 8.1-PRERELEASE FreeBSD
> 8.1-PRERELEASE #0: Tue Jun 22 13:59:17 BRT 2010
> rafaelhfaria@dell05:/usr/obj/usr/src/sys/BRIDGE =A0amd64"
>
> I have the following lines in /boot/loader.conf:
> ---
> net.graph.maxalloc=3D512
> net.graph.maxdgram=3D45000
> net.graph.recvspace=3D45000
> bridgestp_load=3D"YES"
> if_vlan_load=3D"YES"
> ---
>
> And my kernel is compiled with:
> device =A0 =A0 =A0 =A0 =A0if_bridge
> device =A0 =A0 =A0 =A0 =A0pf
> device =A0 =A0 =A0 =A0 =A0pflog
> options =A0 =A0 =A0 =A0 ALTQ
> options =A0 =A0 =A0 =A0 ALTQ_CBQ
> options =A0 =A0 =A0 =A0 ALTQ_RED
> options =A0 =A0 =A0 =A0 ALTQ_RIO
> options =A0 =A0 =A0 =A0 ALTQ_HFSC
> options =A0 =A0 =A0 =A0 ALTQ_PRIQ
> options =A0 =A0 =A0 =A0 ALTQ_NOPCC
> options =A0 =A0 =A0 =A0 DEVICE_POLLING
> options =A0 =A0 =A0 =A0 HZ=3D1000
> options =A0 =A0 =A0 =A0 SHMSEG=3D16
> options =A0 =A0 =A0 =A0 SHMMNI=3D32
> options =A0 =A0 =A0 =A0 SHMMAX=3D2097152
> options =A0 =A0 =A0 =A0 SHMALL=3D4096
> options =A0 =A0 =A0 =A0 MAXFILES=3D8192
>
> And the bridge configuration:
> cloned_interfaces=3D"bridge0 vlan1"
> ifconfig_bridge0=3D"addm bce0 stp bce0 addm bce1 stp bce1 up"
> ifconfig_bce0=3D"polling up"
> ifconfig_bce1=3D"polling up"
> ifconfig_vlan1=3D"inet 200.x.x.x netmask 0xFFFFFF00 broadcast
> 200.x.x.255 vlan 1 vlandev bce1"
>
> bce0 is connected to the Cisco 7200 ($wan_if in pf)
> bce1 is conencted to the 3Com 7900 ($lan_if in pf)
>
> And my sysctl for bridge:
> dell05# sysctl net.link.bridge
> net.link.bridge.ipfw: 0
> net.link.bridge.inherit_mac: 0
> net.link.bridge.log_stp: 0
> net.link.bridge.pfil_local_phys: 1
> net.link.bridge.pfil_member: 1
> net.link.bridge.pfil_bridge: 0
> net.link.bridge.ipfw_arp: 0
> net.link.bridge.pfil_onlyip: 0
> dell05#
>
> Ok...
>
> Now, the problem.
>
> With the following queue:
> altq on $lan_if bandwidth 33Mb hfsc queue { down_sub1, down_sub2,
> down_sub3, down_sub4, down_def }
> =A0 queue down_sub1 =A0 bandwidth 8Mb priority 1 qlimit 300 hfsc (
> realtime 3.20Mb upperlimit 22.40Mb )
> =A0 queue down_sub2 =A0 bandwidth 8Mb priority 1 qlimit 300 hfsc (
> realtime 3.20Mb upperlimit 22.40Mb )
> =A0 queue down_sub3 =A0bandwidth 8Mb priority 1 qlimit 300 hfsc (
> realtime 3.20Mb upperlimit 22.40Mb )
> =A0 queue down_sub4 =A0bandwidth 8Mb priority 1 qlimit 300 hfsc (
> realtime 3.20Mb upperlimit 22.40Mb )
> =A0 queue down_def =A0 =A0 bandwidth 128Kb hfsc ( default )
>
> And with the following rules:
> pass in =A0log quick on $lan_if from <sub1> to any keep state queue ( dow=
n_sub1 )
> pass out log quick on $wan_if from <sub1> to any keep state queue ( up_su=
b1 )
> pass in =A0log quick on $wan_if from any to <sub1> keep state queue ( up_=
sub1 )
> pass out log quick on $lan_if from any to <sub1> keep state queue ( down_=
sub1 )
>
> (..) for each <sub1-4> I have the pass rules like those.
>
>
> With the full use of the link, only a small part of the traffic gets
> into the correct queue.
>
> queue root_bce1 on bce1 bandwidth 33Mb priority 0 {down_sub1,
> down_sub2, down_sub3, down_sub4, down_def}
> =A0[ pkts: =A0 =A0 =A0 =A0 =A00 =A0bytes: =A0 =A0 =A0 =A0 =A00 =A0dropped=
pkts: =A0 =A0 =A00 bytes: =A0 =A0 =A00 ]
> =A0[ qlength: =A0 0/ 50 ]
> =A0[ measured: =A0 =A0 0.0 packets/s, 0 b/s ]
> queue =A0down_sub1 on bce1 bandwidth 8Mb qlimit 300 hfsc( realtime
> 3.20Mb upperlimit 22.40Mb )
> =A0[ pkts: =A0 =A0 =A053177 =A0bytes: =A0 50082785 =A0dropped pkts: =A0 =
=A0 =A00 bytes: =A0 =A0 =A00 ]
> =A0[ qlength: =A0 0/300 ]
> =A0[ measured: =A0 364.5 packets/s, 2.81Mb/s ]
> queue =A0down_sub2 on bce1 bandwidth 8Mb qlimit 300 hfsc( realtime
> 3.20Mb upperlimit 22.40Mb )
> =A0[ pkts: =A0 =A0 =A090724 =A0bytes: =A0 79670459 =A0dropped pkts: =A0 =
=A0 =A00 bytes: =A0 =A0 =A00 ]
> =A0[ qlength: =A0 0/300 ]
> =A0[ measured: =A0 744.6 packets/s, 5.20Mb/s ]
> queue =A0down_sub3 on bce1 bandwidth 8Mb qlimit 300 hfsc( realtime
> 3.20Mb upperlimit 22.40Mb )
> =A0[ pkts: =A0 =A0 =A038333 =A0bytes: =A0 37384626 =A0dropped pkts: =A0 =
=A0 =A00 bytes: =A0 =A0 =A00 ]
> =A0[ qlength: =A0 0/300 ]
> =A0[ measured: =A0 285.2 packets/s, 2.35Mb/s ]
> queue =A0down_sub4 on bce1 bandwidth 8Mb qlimit 300 hfsc( realtime
> 3.20Mb upperlimit 22.40Mb )
> =A0[ pkts: =A0 =A0 =A080385 =A0bytes: =A0 69021129 =A0dropped pkts: =A0 =
=A0 =A00 bytes: =A0 =A0 =A00 ]
> =A0[ qlength: =A0 0/300 ]
> =A0[ measured: =A0 585.1 packets/s, 3.92Mb/s ]
> queue =A0down_def on bce1 bandwidth 128Kb hfsc( default )
> =A0[ pkts: =A0 =A0 268756 =A0bytes: =A0336423531 =A0dropped pkts: =A0 =A0=
121 bytes: =A081921 ]
> =A0[ qlength: =A0 0/ 50 ]
> =A0[ measured: =A01615.4 packets/s, 16.49Mb/s ]
>
> watching the pflog interface, I can see that the pass rules are
> working, no traffic is getting out of one of the rules (I have put an
> "pass log all" to check this).
>
> All the rules are working... but they aren't sending the traffic to
> the specified queue.
>
> If someone have a glue for this...
> Any suggestion are welcome.
>
> Thank's in advance.
Sorry but i do not see any evidence that what you claim is true!
--=20
Ermal
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