From owner-freebsd-net@FreeBSD.ORG Wed Mar 7 10:59:21 2012 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1AC24106566C; Wed, 7 Mar 2012 10:59:21 +0000 (UTC) (envelope-from egrosbein@rdtc.ru) Received: from eg.sd.rdtc.ru (eg.sd.rdtc.ru [IPv6:2a03:3100:c:13::5]) by mx1.freebsd.org (Postfix) with ESMTP id 693168FC18; Wed, 7 Mar 2012 10:59:18 +0000 (UTC) Received: from eg.sd.rdtc.ru (localhost [127.0.0.1]) by eg.sd.rdtc.ru (8.14.5/8.14.5) with ESMTP id q27AxFib006603; Wed, 7 Mar 2012 17:59:15 +0700 (NOVT) (envelope-from egrosbein@rdtc.ru) Message-ID: <4F573F83.5090502@rdtc.ru> Date: Wed, 07 Mar 2012 17:59:15 +0700 From: Eugene Grosbein User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; ru-RU; rv:1.9.2.13) Gecko/20110112 Thunderbird/3.1.7 MIME-Version: 1.0 To: pyunyh@gmail.com References: <4F5608EA.6080705@rdtc.ru> <20120307202914.GB9436@michelle.cdnetworks.com> <4F571870.3090902@rdtc.ru> <20120308034345.GD9436@michelle.cdnetworks.com> In-Reply-To: <20120308034345.GD9436@michelle.cdnetworks.com> Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8bit Cc: marius@freebsd.org, "net@freebsd.org" , yongari@freebsd.org Subject: Re: suboptimal bge(4) BCM5704 performance in RELENG_8 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Mar 2012 10:59:21 -0000 08.03.2012 10:43, YongHyeon PYUN пишет: >>>> Yesterday I've updated old HP ProLiant DL360 G4p to 8.3-PRELELEASE/amd64 >>>> running busy icecast2 server in hope it can saturate 1G bge(4) link. >>>> >>>> This server has PCI-X connected HP NC7782 Gigabit Server Adapter (BCM5704). >>> >>> Would you show me the output of dmesg(bge(4) and brgphy(4) related >>> ones)? [skip] > > It seems your controller is BCM5704 B2 and it is running in PCI-X > mode. There is one known BCM5704 issue but I don't think you're > seeing this one. To confirm that could you show me both the output > of "pciconf -lcbv" and "devinfo -rv"? # pciconf -lcbv hostb0@pci0:0:0:0: class=0x060000 card=0x32000e11 chip=0x35908086 rev=0x0c hdr=0x00 vendor = 'Intel Corporation' device = 'E7520 Server Memory Controller Hub' class = bridge subclass = HOST-PCI cap 09[40] = vendor (length 5) Intel cap 4 version 1 pcib1@pci0:0:2:0: class=0x060400 card=0x00000000 chip=0x35958086 rev=0x0c hdr=0x01 vendor = 'Intel Corporation' device = 'E752x Memory Controller Hub PCIe Port A0' class = bridge subclass = PCI-PCI cap 01[50] = powerspec 2 supports D0 D3 current D0 cap 05[58] = MSI supports 2 messages cap 10[64] = PCI-Express 1 root port max data 256(256) link x0(x8) ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected pcib2@pci0:0:4:0: class=0x060400 card=0x00000000 chip=0x35978086 rev=0x0c hdr=0x01 vendor = 'Intel Corporation' device = 'E752x Memory Controller Hub PCIe Port B0' class = bridge subclass = PCI-PCI cap 01[50] = powerspec 2 supports D0 D3 current D0 cap 05[58] = MSI supports 2 messages cap 10[64] = PCI-Express 1 root port max data 256(256) link x8(x8) ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected pcib5@pci0:0:6:0: class=0x060400 card=0x00000000 chip=0x35998086 rev=0x0c hdr=0x01 vendor = 'Intel Corporation' device = 'E752x Memory Controller Hub PCIe Port C0' class = bridge subclass = PCI-PCI cap 01[50] = powerspec 2 supports D0 D3 current D0 cap 05[58] = MSI supports 2 messages cap 10[64] = PCI-Express 1 root port max data 256(256) link x0(x8) ecap 0001[100] = AER 1 0 fatal 0 non-fatal 0 corrected pcib6@pci0:0:28:0: class=0x060400 card=0x00000000 chip=0x25ae8086 rev=0x02 hdr=0x01 vendor = 'Intel Corporation' device = 'Hub Interface to PCI-X Bridge (6300ESB)' class = bridge subclass = PCI-PCI cap 07[50] = PCI-X 64-bit bridge uhci0@pci0:0:29:0: class=0x0c0300 card=0x32010e11 chip=0x25a98086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'USB 1.1 UHCI Controller *1 (6300ESB)' class = serial bus subclass = USB bar [20] = type I/O Port, range 32, base 0x2000, size 32, enabled uhci1@pci0:0:29:1: class=0x0c0300 card=0x32010e11 chip=0x25aa8086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'USB 1.1 UHCI Controller *2 (6300ESB)' class = serial bus subclass = USB bar [20] = type I/O Port, range 32, base 0x2020, size 32, enabled none0@pci0:0:29:4: class=0x088000 card=0x32010e11 chip=0x25ab8086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'Watchdog Timer (6300ESB)' class = base peripheral bar [10] = type Memory, range 32, base 0xfbef0000, size 16, enabled ioapic0@pci0:0:29:5: class=0x080020 card=0x32010e11 chip=0x25ac8086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '6300ESB I/O Advanced Programmable Interrupt Controller' class = base peripheral subclass = interrupt controller cap 07[50] = PCI-X 64-bit supports 512 burst read, 1 split transaction ehci0@pci0:0:29:7: class=0x0c0320 card=0x32010e11 chip=0x25ad8086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'USB 2.0 EHCI Controller (6300ESB)' class = serial bus subclass = USB bar [10] = type Memory, range 32, base 0xfbee0000, size 1024, enabled cap 01[50] = powerspec 2 supports D0 D3 current D0 cap 0a[58] = EHCI Debug Port at offset 0x80 in map 0x14 pcib7@pci0:0:30:0: class=0x060400 card=0x00000000 chip=0x244e8086 rev=0x0a hdr=0x01 vendor = 'Intel Corporation' device = '82801 Family (ICH2/3/4/5/6/7/8/9,63xxESB) Hub Interface to PCI Bridge' class = bridge subclass = PCI-PCI isab0@pci0:0:31:0: class=0x060100 card=0x00000000 chip=0x25a18086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = '6300ESB LPC Inteface Controller' class = bridge subclass = PCI-ISA atapci0@pci0:0:31:1: class=0x01018a card=0x32010e11 chip=0x25a28086 rev=0x02 hdr=0x00 vendor = 'Intel Corporation' device = 'IDE Controller (6300ESB)' class = mass storage subclass = ATA bar [10] = type I/O Port, range 32, base 0x1f0, size 8, enabled bar [14] = type I/O Port, range 32, base 0x3f4, size 1, enabled bar [18] = type I/O Port, range 32, base 0x170, size 8, enabled bar [1c] = type I/O Port, range 32, base 0x374, size 1, enabled bar [20] = type I/O Port, range 32, base 0x500, size 16, enabled pcib3@pci0:6:0:0: class=0x060400 card=0x00000000 chip=0x03298086 rev=0x09 hdr=0x01 vendor = 'Intel Corporation' device = 'PCI Express-to-PCI Express Bridge A (6700PXH)' class = bridge subclass = PCI-PCI cap 10[44] = PCI-Express 1 PCI bridge max data 256(256) link x8(x8) cap 05[5c] = MSI supports 1 message, 64 bit cap 01[6c] = powerspec 2 supports D0 D3 current D0 cap 07[d8] = PCI-X bridge ecap 0001[100] = AER 1 1 fatal 0 non-fatal 0 corrected ecap 0004[300] = unknown 1 pcib4@pci0:6:0:2: class=0x060400 card=0x00000000 chip=0x032a8086 rev=0x09 hdr=0x01 vendor = 'Intel Corporation' device = 'PCI Express-to-PCI Express Bridge B (6700PXH)' class = bridge subclass = PCI-PCI cap 10[44] = PCI-Express 1 PCI bridge max data 256(256) link x8(x8) cap 05[5c] = MSI supports 1 message, 64 bit cap 01[6c] = powerspec 2 supports D0 D3 current D0 cap 07[d8] = PCI-X bridge ecap 0001[100] = AER 1 1 fatal 0 non-fatal 0 corrected ecap 0004[300] = unknown 1 ciss0@pci0:2:1:0: class=0x010400 card=0x40910e11 chip=0x00460e11 rev=0x01 hdr=0x00 vendor = 'Compaq Computer Corp (Now owned by Hewlett-Packard)' device = 'Smart Array 6400 Controller (N/A)' class = mass storage subclass = RAID bar [10] = type Memory, range 64, base 0xfdff0000, size 8192, enabled bar [18] = type I/O Port, range 32, base 0x4000, size 256, enabled bar [1c] = type Memory, range 64, base 0xfdf80000, size 262144, enabled cap 01[d0] = powerspec 2 supports D0 D1 D3 current D0 cap 07[dc] = PCI-X 64-bit supports 133MHz, 2048 burst read, 8 split transactions cap 03[f0] = VPD bge0@pci0:2:2:0: class=0x020000 card=0x00d00e11 chip=0x164814e4 rev=0x10 hdr=0x00 vendor = 'Broadcom Corporation' device = 'NetXtreme Dual Gigabit Adapter (BCM5704)' class = network subclass = ethernet bar [10] = type Memory, range 64, base 0xfdf70000, size 65536, enabled cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction cap 01[48] = powerspec 2 supports D0 D3 current D0 cap 03[50] = VPD cap 05[58] = MSI supports 8 messages, 64 bit bge1@pci0:2:2:1: class=0x020000 card=0x00d00e11 chip=0x164814e4 rev=0x10 hdr=0x00 vendor = 'Broadcom Corporation' device = 'NetXtreme Dual Gigabit Adapter (BCM5704)' class = network subclass = ethernet bar [10] = type Memory, range 64, base 0xfdf60000, size 65536, enabled cap 07[40] = PCI-X 64-bit supports 133MHz, 2048 burst read, 1 split transaction cap 01[48] = powerspec 2 supports D0 D3 current D0 cap 03[50] = VPD cap 05[58] = MSI supports 8 messages, 64 bit vgapci0@pci0:1:3:0: class=0x030000 card=0x001e0e11 chip=0x47521002 rev=0x27 hdr=0x00 vendor = 'ATI Technologies Inc. / Advanced Micro Devices, Inc.' device = 'ATI On-Board VGA for HP Proliant 350 G3 (Rage XL PCI)' class = display subclass = VGA bar [10] = type Memory, range 32, base 0xfc000000, size 16777216, enabled bar [14] = type I/O Port, range 32, base 0x3000, size 256, enabled bar [18] = type Memory, range 32, base 0xfbff0000, size 4096, enabled cap 01[5c] = powerspec 2 supports D0 D1 D2 D3 current D0 none1@pci0:1:4:0: class=0x088000 card=0xb2060e11 chip=0xb2030e11 rev=0x01 hdr=0x00 vendor = 'Compaq Computer Corp (Now owned by Hewlett-Packard)' device = 'Integrated Lights Out Processor (iLo)' class = base peripheral bar [10] = type I/O Port, range 32, base 0x1800, size 256, enabled bar [14] = type Memory, range 32, base 0xfbfe0000, size 512, enabled cap 01[f0] = powerspec 2 supports D0 D3 current D0 none2@pci0:1:4:2: class=0x088000 card=0xb2060e11 chip=0xb2040e11 rev=0x01 hdr=0x00 vendor = 'Compaq Computer Corp (Now owned by Hewlett-Packard)' device = 'Integrated Lights Out Processor (iLo)' class = base peripheral bar [10] = type I/O Port, range 32, base 0x3400, size 256, enabled bar [14] = type Memory, range 32, base 0xfbfd0000, size 2048, enabled bar [18] = type Memory, range 32, base 0xfbfc0000, size 8192, enabled bar [1c] = type Memory, range 32, base 0xfbf00000, size 524288, enabled cap 01[f0] = powerspec 2 supports D0 D3 current D0 # devinfo -rv nexus0 cryptosoft0 apic0 I/O memory addresses: 0xfec00000-0xfec0001f 0xfec10000-0xfec1001f 0xfec82000-0xfec8201f 0xfec82400-0xfec8241f 0xfee00000-0xfee003ff ram0 I/O memory addresses: 0x0-0x9f3ff 0x100000-0x7fff2fff acpi0 Interrupt request lines: 9 I/O ports: 0x10-0x1f 0x20-0x3f 0x50-0x53 0x70-0x77 0x90-0x9f 0xa0-0xbf 0x2f8-0x2ff 0x408-0x40f 0x4d0-0x4d1 0x700-0x71f 0x800-0x83f 0x900-0x97f 0xc80-0xc83 0xcd4-0xcd7 0xf50-0xf58 I/O memory addresses: 0xe0000000-0xefffffff cpu0 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU0 p4tcc0 cpufreq0 cpu1 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU1 p4tcc1 cpufreq1 cpu2 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU2 p4tcc2 cpufreq2 cpu3 pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU3 p4tcc3 cpufreq3 unknown pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU4 unknown pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU5 unknown pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU6 unknown pnpinfo _HID=none _UID=0 at handle=\_PR_.CPU7 pcib0 pnpinfo _HID=PNP0A03 _UID=0 at handle=\_SB_.PCI0 pci0 I/O memory addresses: 0xfbef0000-0xfbef000f hostb0 pnpinfo vendor=0x8086 device=0x3590 subvendor=0x0e11 subdevice=0x3200 class=0x060000 at slot=0 function=0 handle=\_SB_.PCI0.CFG0 pcib1 pnpinfo vendor=0x8086 device=0x3595 subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=2 function=0 handle=\_SB_.PCI0.PTA0 pci13 pcib2 pnpinfo vendor=0x8086 device=0x3597 subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=4 function=0 handle=\_SB_.PCI0.PTB0 pci6 pcib3 pnpinfo vendor=0x8086 device=0x0329 subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=0 function=0 handle=\_SB_.PCI0.PTB0.PCXA pci7 pcib4 pnpinfo vendor=0x8086 device=0x032a subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=0 function=2 handle=\_SB_.PCI0.PTB0.PCXB pci10 pcib5 pnpinfo vendor=0x8086 device=0x3599 subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=6 function=0 handle=\_SB_.PCI0.PTC0 pci3 pcib6 pnpinfo vendor=0x8086 device=0x25ae subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=28 function=0 handle=\_SB_.PCI0.ICHR pci2 I/O ports: 0x4000-0x40ff I/O memory addresses: 0xfdf80000-0xfdfbffff ciss0 pnpinfo vendor=0x0e11 device=0x0046 subvendor=0x0e11 subdevice=0x4091 class=0x010400 at slot=1 function=0 Interrupt request lines: 24 I/O memory addresses: 0xfdff0000-0xfdff1fff bge0 pnpinfo vendor=0x14e4 device=0x1648 subvendor=0x0e11 subdevice=0x00d0 class=0x020000 at slot=2 function=0 Interrupt request lines: 25 I/O memory addresses: 0xfdf70000-0xfdf7ffff miibus0 brgphy0 pnpinfo oui=0x818 model=0x19 rev=0x0 at phyno=1 bge1 pnpinfo vendor=0x14e4 device=0x1648 subvendor=0x0e11 subdevice=0x00d0 class=0x020000 at slot=2 function=1 Interrupt request lines: 26 I/O memory addresses: 0xfdf60000-0xfdf6ffff miibus1 brgphy1 pnpinfo oui=0x818 model=0x19 rev=0x0 at phyno=1 uhci0 pnpinfo vendor=0x8086 device=0x25a9 subvendor=0x0e11 subdevice=0x3201 class=0x0c0300 at slot=29 function=0 Interrupt request lines: 16 I/O ports: 0x2000-0x201f usbus0 uhub0 uhci1 pnpinfo vendor=0x8086 device=0x25aa subvendor=0x0e11 subdevice=0x3201 class=0x0c0300 at slot=29 function=1 Interrupt request lines: 19 I/O ports: 0x2020-0x203f usbus1 uhub1 unknown pnpinfo vendor=0x8086 device=0x25ab subvendor=0x0e11 subdevice=0x3201 class=0x088000 at slot=29 function=4 ioapic0 pnpinfo vendor=0x8086 device=0x25ac subvendor=0x0e11 subdevice=0x3201 class=0x080020 at slot=29 function=5 ehci0 pnpinfo vendor=0x8086 device=0x25ad subvendor=0x0e11 subdevice=0x3201 class=0x0c0320 at slot=29 function=7 Interrupt request lines: 23 I/O memory addresses: 0xfbee0000-0xfbee03ff usbus2 uhub2 pcib7 pnpinfo vendor=0x8086 device=0x244e subvendor=0x0000 subdevice=0x0000 class=0x060400 at slot=30 function=0 handle=\_SB_.PCI0.IP2P pci1 I/O ports: 0x1800-0x18ff 0x3000-0x30ff 0x3400-0x34ff I/O memory addresses: 0xfbf00000-0xfbf7ffff 0xfbfc0000-0xfbfc1fff 0xfbfd0000-0xfbfd07ff 0xfbfe0000-0xfbfe01ff 0xfbff0000-0xfbff0fff 0xfc000000-0xfcffffff vgapci0 pnpinfo vendor=0x1002 device=0x4752 subvendor=0x0e11 subdevice=0x001e class=0x030000 at slot=3 function=0 drm0 unknown pnpinfo vendor=0x0e11 device=0xb203 subvendor=0x0e11 subdevice=0xb206 class=0x088000 at slot=4 function=0 handle=\_SB_.PCI0.IP2P.ASMD unknown pnpinfo vendor=0x0e11 device=0xb204 subvendor=0x0e11 subdevice=0xb206 class=0x088000 at slot=4 function=2 isab0 pnpinfo vendor=0x8086 device=0x25a1 subvendor=0x0000 subdevice=0x0000 class=0x060100 at slot=31 function=0 handle=\_SB_.PCI0.IBRG isa0 orm0 I/O memory addresses: 0xc0000-0xc7fff 0xc8000-0xcbfff 0xee000-0xeffff ichwd0 sc0 vga0 I/O ports: 0x3c0-0x3df I/O memory addresses: 0xa0000-0xbffff atrtc0 Interrupt request lines: 8 ACPI I/O ports: 0x70-0x71 ppc0 uart1 Interrupt request lines: 3 ACPI I/O ports: 0x2f8-0x2ff atapci0 pnpinfo vendor=0x8086 device=0x25a2 subvendor=0x0e11 subdevice=0x3201 class=0x01018a at slot=31 function=1 I/O ports: 0x170-0x177 0x1f0-0x1f7 0x376 0x3f6 0x500-0x50f ata0 at channel=0 Interrupt request lines: 14 acd0 ata1 at channel=1 Interrupt request lines: 15 acpi_sysresource0 pnpinfo _HID=PNP0C02 _UID=0 at handle=\_SB_.PCI0.IBRG.MOMB attimer0 pnpinfo _HID=PNP0100 _UID=0 at handle=\_SB_.PCI0.IBRG.TIME atdma0 pnpinfo _HID=PNP0200 _UID=0 at handle=\_SB_.PCI0.IBRG.DMA0 unknown pnpinfo _HID=PNP0800 _UID=0 at handle=\_SB_.PCI0.IBRG.BEEP atkbdc0 pnpinfo _HID=PNP0303 _UID=0 at handle=\_SB_.PCI0.IBRG.KBD_ I/O ports: 0x60 0x64 atkbd0 Interrupt request lines: 1 psm0 Interrupt request lines: 12 psmcpnp0 pnpinfo _HID=PNP0F13 _UID=0 at handle=\_SB_.PCI0.IBRG.PS2M unknown pnpinfo _HID=PNP0A06 _UID=0 at handle=\_SB_.PCI0.IBRG.S417 uart0 pnpinfo _HID=PNP0501 _UID=0 at handle=\_SB_.PCI0.IBRG.S417.COMA Interrupt request lines: 4 I/O ports: 0x3f8-0x3ff fdc0 pnpinfo _HID=PNP0700 _UID=0 at handle=\_SB_.PCI0.IBRG.S417.FDC0 Interrupt request lines: 6 DMA request lines: 2 I/O ports: 0x3f2-0x3f5 0x3f7 fd0 pci_link0 pnpinfo _HID=PNP0C0F _UID=1 at handle=\_SB_.LNKA pci_link1 pnpinfo _HID=PNP0C0F _UID=2 at handle=\_SB_.LNKB pci_link2 pnpinfo _HID=PNP0C0F _UID=3 at handle=\_SB_.LNKC pci_link3 pnpinfo _HID=PNP0C0F _UID=4 at handle=\_SB_.LNKD pci_link4 pnpinfo _HID=PNP0C0F _UID=5 at handle=\_SB_.LNKE pci_link5 pnpinfo _HID=PNP0C0F _UID=6 at handle=\_SB_.LNKF pci_link6 pnpinfo _HID=PNP0C0F _UID=7 at handle=\_SB_.LNKG pci_link7 pnpinfo _HID=PNP0C0F _UID=8 at handle=\_SB_.LNKH acpi_tz0 pnpinfo _HID=none _UID=0 at handle=\_TZ_.THM0 acpi_timer0 pnpinfo unknown at unknown ACPI I/O ports: 0x908-0x90b >> # sysctl dev.bge.0.stats >> dev.bge.0.stats.FramesDroppedDueToFilters: 0 >> dev.bge.0.stats.DmaWriteQueueFull: 84072 >> dev.bge.0.stats.DmaWriteHighPriQueueFull: 0 >> dev.bge.0.stats.NoMoreRxBDs: 0 >> dev.bge.0.stats.InputDiscards: 0 >> dev.bge.0.stats.InputErrors: 30 >> dev.bge.0.stats.RecvThresholdHit: 745400662 >> dev.bge.0.stats.DmaReadQueueFull: 2020586592 >> dev.bge.0.stats.DmaReadHighPriQueueFull: 0 >> dev.bge.0.stats.SendDataCompQueueFull: 0 >> dev.bge.0.stats.RingSetSendProdIndex: 2832885493 >> dev.bge.0.stats.RingStatusUpdate: 899990835 >> dev.bge.0.stats.Interrupts: 899990835 >> dev.bge.0.stats.AvoidedInterrupts: 0 >> dev.bge.0.stats.SendThresholdHit: 0 >> dev.bge.0.stats.rx.ifHCInOctets: 491268800 >> dev.bge.0.stats.rx.Fragments: 234 >> dev.bge.0.stats.rx.UnicastPkts: 1977202324 >> dev.bge.0.stats.rx.MulticastPkts: 0 >> dev.bge.0.stats.rx.FCSErrors: 341 > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > You have multiple FCS and Input errors. Check signal > quality(i.e. UTP cable). Thanks, I'll check. > Does netperf benchmark also show 540Mbps on bge(4)? I'll try to run benchmarks if I find a peer for netperf. Eugene Grosbein