Date: Wed, 23 Nov 2011 09:28:04 +0100 From: Kees Jan Koster <kjkoster@gmail.com> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-questions@freebsd.org Subject: Re: Diagnosing packet loss Message-ID: <FD575CDF-16EE-4BCE-9993-3E191FE1150A@gmail.com> In-Reply-To: <4ECC2CD0.8040902@sentex.net> References: <B0BE38BD-CE86-4D42-9215-933150BA07D9@gmail.com> <4ECC2CD0.8040902@sentex.net>
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Dear Mike, >> I am stuck with a machine that shows serious packet loss (about 1% of = all traffic is dropped). I tried the obvious (new network cable, = different switch port, different ethernet interface on the machine), but = the problems remain. >=20 > What is the output of > sysctl -a dev.bge See below. > Can you show the stats and config of the switch port its plugged into = as > well ? It is not configurable. No serial port, so I guess this is really a = glorified hub. [kjkoster@saffron ~]$ uptime 8:27AM up 1 day, 1:18, 1 user, load averages: 0.50, 0.45, 0.43 [kjkoster@saffron ~]$ sysctl -a dev.bge.0 dev.bge.0.%desc: Broadcom Gigabit Ethernet Controller, ASIC rev. = 0x002003 dev.bge.0.%driver: bge dev.bge.0.%location: slot=3D9 function=3D0 handle=3D\_SB_.PCI0.GOLA.GLAN dev.bge.0.%pnpinfo: vendor=3D0x14e4 device=3D0x1648 subvendor=3D0x14e4 = subdevice=3D0x1644 class=3D0x020000 dev.bge.0.%parent: pci2 dev.bge.0.forced_collapse: 0 dev.bge.0.forced_udpcsum: 0 dev.bge.0.stats.FramesDroppedDueToFilters: 0 dev.bge.0.stats.DmaWriteQueueFull: 0 dev.bge.0.stats.DmaWriteHighPriQueueFull: 0 dev.bge.0.stats.NoMoreRxBDs: 0 dev.bge.0.stats.InputDiscards: 0 dev.bge.0.stats.InputErrors: 0 dev.bge.0.stats.RecvThresholdHit: 3680296 dev.bge.0.stats.DmaReadQueueFull: 3810 dev.bge.0.stats.DmaReadHighPriQueueFull: 0 dev.bge.0.stats.SendDataCompQueueFull: 0 dev.bge.0.stats.RingSetSendProdIndex: 707120 dev.bge.0.stats.RingStatusUpdate: 4275217 dev.bge.0.stats.Interrupts: 4275218 dev.bge.0.stats.AvoidedInterrupts: 0 dev.bge.0.stats.SendThresholdHit: 0 dev.bge.0.stats.rx.ifHCInOctets: 772506284 dev.bge.0.stats.rx.Fragments: 0 dev.bge.0.stats.rx.UnicastPkts: 776204 dev.bge.0.stats.rx.MulticastPkts: 728 dev.bge.0.stats.rx.FCSErrors: 0 dev.bge.0.stats.rx.AlignmentErrors: 0 dev.bge.0.stats.rx.xonPauseFramesReceived: 1 dev.bge.0.stats.rx.xoffPauseFramesReceived: 1 dev.bge.0.stats.rx.ControlFramesReceived: 0 dev.bge.0.stats.rx.xoffStateEntered: 1 dev.bge.0.stats.rx.FramesTooLong: 0 dev.bge.0.stats.rx.Jabbers: 0 dev.bge.0.stats.rx.UndersizePkts: 0 dev.bge.0.stats.rx.inRangeLengthError: 0 dev.bge.0.stats.rx.outRangeLengthError: 0 dev.bge.0.stats.tx.ifHCOutOctets: 212962495 dev.bge.0.stats.tx.Collisions: 0 dev.bge.0.stats.tx.XonSent: 0 dev.bge.0.stats.tx.XoffSent: 0 dev.bge.0.stats.tx.flowControlDone: 0 dev.bge.0.stats.tx.InternalMacTransmitErrors: 0 dev.bge.0.stats.tx.SingleCollisionFrames: 0 dev.bge.0.stats.tx.MultipleCollisionFrames: 0 dev.bge.0.stats.tx.DeferredTransmissions: 0 dev.bge.0.stats.tx.ExcessiveCollisions: 0 dev.bge.0.stats.tx.LateCollisions: 0 dev.bge.0.stats.tx.UnicastPkts: 701087 dev.bge.0.stats.tx.MulticastPkts: 0 dev.bge.0.stats.tx.BroadcastPkts: 5422 dev.bge.0.stats.tx.CarrierSenseErrors: 0 dev.bge.0.stats.tx.Discards: 0 dev.bge.0.stats.tx.Errors: 0 dev.bge.0.wake: 0 -- Kees Jan http://java-monitor.com/ kjkoster@kjkoster.org +31651838192 The secret of success lies in the stability of the goal. -- Benjamin = Disraeli
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