Re: BGP and NATting to multiple ISPs
2009/6/19 Henning Brauer lists-open...@bsws.de [IPv6] migration, if it ever happens, will make today's internet look like paradise. I wonder if you or others feel like elaborating? I'm quite curious, but not knowledgeable enough to intuitively understand why. regards, --ropers
ftp limits bandwidth
Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? Thx Bye.
cpu not configured??
Hi all I'm trying to install OBSD on a FJ-Siemens Amilo xi 3650, without success so far. The kernel stops booting after some lines of output. I've tried 4.4 and 4.5. On 4.4 it stops right after the first lines. The last line of output is: acpi0: tables DSDT FACP HPET MCFG SLIC APIC BOOT SSDT SSDT SSDT SSDT No error, it just hangs On 4.5 there are some lines more of output (including the above one), it tells about wakeup devices and different timers, then comes to: cpu0 at mainbus0: apid 0 (boot processor) cpu0: apic clock running at 265MHz cpu at mainbus0: not configured ioapic0 at mainbus0: apid 2 pa 0xfec0,version 20,24 pins And stops right there. Still, no errors, nothing. I don't ever get to a point where I can run a meaningful dmesg. The processor is a Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz with the following flags (as seen from linux, though): fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm tpr_shadow vnmi flexpriority I remember other machines and other operating systems where I had to pass special kernel boot parameters at the boot prompt in order to have the kernel ignore or treat differently certain hardware (one favourite was to disable acpi and the local apic). Here I'd use boot -c. But which parameters should I disable or modify? Unfortunately I'm not that familiar with the OBSD kernel, so I'd be grateful for any hints. I realize that this is going to take a lot of poking around in the dark. Thx /markus
i386-current 17th June 2009 BGPd FIB
Hi Misc@ and Claudio@, On 17th June kernel and userland, I experienced a really slow updates on FIB, while doing a BGP failover test. It's a simple test, I had 2 different internet peers, both sends full prefix. With the first scenario, when I shut the peer1 down, it still forwards to peer1. I need a bgpctl reload to move the forwarding to peer2. And, when I feel like to move the traffic (upstream) back to peer1, it doesn't simultaneously move back, and I still need to do bgpctl reload to bring it back to its normal behaviour. The second scenario is to deny all prefixes received from peer1. By modifying ke bgpd.conf, and then bgpctl reload, the upstreams still choose to peer1. I evaluate RIB table bgpctl sh rib and it does changed, prefixes from peer1 is no longer existed. But on bgpctl sh fib the nexthop still points to peer1. I waited for about 15 minutes, it still not changing its FIB record. To restore the configuration, modify bgpd.conf back to receive full prefix from both peers and reload, and some strange behaviour exist, instead of still forwarding to peer1, the router forwards traffic to peer2, which I was expecting before. I need to issue a second reload to move the forwarding back to peer1. Any insight would be appreciated, Thanks, OpenBSD 4.5-current (GENERIC) #29: Wed Jun 17 22:53:03 WIT 2009 r...@border-lf.mygreenlinks.net:/usr/src/sys/arch/i386/compile/GENERIC RTC BIOS diagnostic error ffixed_disk,invalid_time cpu0: Intel(R) Pentium(R) D CPU 3.00GHz (GenuineIntel 686-class) 3.01 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,S SE3,MWAIT,DS-CPL,EST,CNXT-ID,CX16,xTPR real mem = 1069002752 (1019MB) avail mem = 1025228800 (977MB) RTC BIOS diagnostic error ffixed_disk,invalid_time mainbus0 at root bios0 at mainbus0: AT/286+ BIOS, date 09/13/07, SMBIOS rev. 2.4 @ 0x3fbe4000 (42 entries) bios0: vendor Intel Corporation version S3000.86B.02.00.0051.091720081311 date 09/17/2008 bios0: Intel S3000AH acpi0 at bios0: rev 2 acpi0: tables DSDT SLIC FACP APIC WDDT HPET MCFG ASF! SSDT SSDT SSDT SSDT SSDT HEST BERT ERST EINJ acpi0: wakeup devices SLPB(S4) P32_(S4) UAR1(S1) PEX4(S4) PEX5(S4) UHC1(S1) UHC2(S1) UHC3(S1) UHC4(S1) EHCI(S1) AC9M(S4) AZAL( S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee0: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: apic clock running at 199MHz cpu at mainbus0: not configured ioapic0 at mainbus0: apid 5 pa 0xfec0, version 20, 24 pins ioapic0: misconfigured as apic 0, remapped to apid 5 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 4 (P32_) acpiprt2 at acpi0: bus 1 (PEX0) acpiprt3 at acpi0: bus -1 (PEX1) acpiprt4 at acpi0: bus -1 (PEX2) acpiprt5 at acpi0: bus -1 (PEX3) acpiprt6 at acpi0: bus 2 (PEX4) acpiprt7 at acpi0: bus 3 (PEX5) acpicpu0 at acpi0: PSS acpibtn0 at acpi0: SLPB bios0: ROM list: 0xc/0x9000 0xc9000/0x1800 cpu0: Enhanced SpeedStep 3001 MHz: speeds: 3000, 2400 MHz pci0 at mainbus0 bus 0: configuration mode 1 (no bios) pchb0 at pci0 dev 0 function 0 Intel E7230 Host rev 0x00 ppb0 at pci0 dev 28 function 0 Intel 82801GB PCIE rev 0x01: apic 5 int 17 (irq 255) pci1 at ppb0 bus 1 ppb1 at pci0 dev 28 function 4 Intel 82801G PCIE rev 0x01: apic 5 int 17 (irq 255) pci2 at ppb1 bus 2 ppb2 at pci0 dev 28 function 5 Intel 82801G PCIE rev 0x01: apic 5 int 16 (irq 255) pci3 at ppb2 bus 3 em0 at pci3 dev 0 function 0 Intel PRO/1000MT (82573E) rev 0x03: apic 5 int 17 (irq 9), address 00:15:17:49:03:b3 Intel 82573E Serial rev 0x03 at pci3 dev 0 function 3 not configured Intel 82573E KCS rev 0x03 at pci3 dev 0 function 4 not configured uhci0 at pci0 dev 29 function 0 Intel 82801GB USB rev 0x01: apic 5 int 23 (irq 11) uhci1 at pci0 dev 29 function 1 Intel 82801GB USB rev 0x01: apic 5 int 19 (irq 10) uhci2 at pci0 dev 29 function 2 Intel 82801GB USB rev 0x01: apic 5 int 18 (irq 11) uhci3 at pci0 dev 29 function 3 Intel 82801GB USB rev 0x01: apic 5 int 16 (irq 11) ehci0 at pci0 dev 29 function 7 Intel 82801GB USB rev 0x01: apic 5 int 23 (irq 11) ehci0: timed out waiting for BIOS usb0 at ehci0: USB revision 2.0 uhub0 at usb0 Intel EHCI root hub rev 2.00/1.00 addr 1 ppb3 at pci0 dev 30 function 0 Intel 82801BA Hub-to-PCI rev 0xe1 pci4 at ppb3 bus 4 skc0 at pci4 dev 0 function 0 D-Link Systems DGE-530T B1 rev 0x11, Yukon Lite (0x9): apic 5 int 21 (irq 11) sk0 at skc0 port A: address 00:1b:11:10:07:f5 eephy0 at sk0 phy 0: 88E1011 Gigabit PHY, rev. 5 em1 at pci4 dev 1 function 0 Intel PRO/1000MT (82540EM) rev 0x02: apic 5 int 22 (irq 11), address 00:07:e9:0f:44:ac vga1 at pci4 dev 4 function 0 ATI ES1000 rev 0x02 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) radeondrm0 at vga1: apic 5 int 18 (irq 11) drm0 at radeondrm0 em2 at pci4 dev 5 function 0 Intel PRO/1000MT
Re: cpu not configured??
OK, for the record: boot -c disable pcibios0 disable acpi0 disable apm0 will boot the machine (after waiting ca. 2 minutes after wsmouse0)! But, alas, the harddisks are not recognized by the kernel, which is - as far as I can tell - a rather final statement. Looking forward to 4.6. krgds /markus Markus Wernig wrote: I'm trying to install OBSD on a FJ-Siemens Amilo xi 3650, without success so far.
Re: cpu not configured??
On 2009-06-20, Markus Wernig liste...@wernig.net wrote: Hi all I'm trying to install OBSD on a FJ-Siemens Amilo xi 3650, without success so far. The kernel stops booting after some lines of output. I've tried 4.4 and 4.5. Please try a -current snapshot.
Re: ftp limits bandwidth
Jean-Frangois SIMON escribis: Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? Thx Bye. ?? it must be your bandwidth limit, there's nothing about a 350 kb/s limit anywhere. please, read carefulle the ftp manpage.
Re: ftp limits bandwidth
Jesus Sanchez schrieb: Jean-Frangois SIMON escribis: Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? ?? it must be your bandwidth limit, there's nothing about a 350 kb/s limit anywhere. please, read carefulle the ftp manpage. As there are some information missing, I look into my crystal ball and see that Jean-Frangois is downloading with help of the ftp program via DSL which is either 6Mbit or faster. Due to the latency of the DSL line the standard settings for net.inet.tcp.recvspace (see sysctl) are not correct for this kind of setup. He should try to increase it, for me 65536 works on 6Mbit DSL. Please tell me in case this is all wrong so that I can order a new crystal ball! Enough guessing, HTH Markus
Re: ftp limits bandwidth
On Saturday, June 20, 2009, Jean-Frangois SIMON jfsimon1...@gmail.com wrote: Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? Thx Bye. I don't think FTP is rate limited by default. Wild guess is you need to google tcp window size. What does ping say the round trip time is? Or you could be limited upstream, what is the topology of the network connecting the end points? -N
Re: ftp limits bandwidth
Hi, I forgot to tell you more sure, however the crystal ball worked very well. It's a 12M ADSL that works at approximately 1300 ko/s at max speed. When downloading with a browser a client such as filezilla it works at full speed but when I type ftp and use OBSD's one it is rather 350/380 max never more. Actually if anything would limit the bandwith the other client would be so. That's stange, I changed sysctl inet.tcp recv/send to 65536 but it's still same transfer speed. I use it on ftps that are rather fast so it looks like ftp is somewhere limited in my configuration. Regards, JF 2009/6/20 Marcos Laufer mar...@ipv4networks.com This is a very interesting subject. Is there any official paper describing how to tune TCP on OpenBSD? Googling i found this two interesting links, but none specifically mentions OpenBSD: Enabling high performance data transfers http://www.psc.edu/networking/projects/tcptune/ TCP tuning cookbook http://proj.sunet.se/E2E/tcptune.html This other paper is about OpenBSD, but i do not know how accurate is it: Network and speed performance guide (OpenBSD) https://calomel.org/network_performance.html Opinions? Marcos Markus Hennecke escribis: Jesus Sanchez schrieb: Jean-Frangois SIMON escribis: Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? ?? it must be your bandwidth limit, there's nothing about a 350 kb/s limit anywhere. please, read carefulle the ftp manpage. As there are some information missing, I look into my crystal ball and see that Jean-Frangois is downloading with help of the ftp program via DSL which is either 6Mbit or faster. Due to the latency of the DSL line the standard settings for net.inet.tcp.recvspace (see sysctl) are not correct for this kind of setup. He should try to increase it, for me 65536 works on 6Mbit DSL. Please tell me in case this is all wrong so that I can order a new crystal ball! Enough guessing, HTH Markus
Re: ftp limits bandwidth
This is a very interesting subject. Is there any official paper describing how to tune TCP on OpenBSD? Googling i found this two interesting links, but none specifically mentions OpenBSD: Enabling high performance data transfers http://www.psc.edu/networking/projects/tcptune/ TCP tuning cookbook http://proj.sunet.se/E2E/tcptune.html This other paper is about OpenBSD, but i do not know how accurate is it: Network and speed performance guide (OpenBSD) https://calomel.org/network_performance.html Opinions? Marcos Markus Hennecke escribis: Jesus Sanchez schrieb: Jean-Frangois SIMON escribis: Hi all, It looks like the max bandwidth of ftp is somehow 350 Kb/s. Is this normaland if so can it be increased ? ?? it must be your bandwidth limit, there's nothing about a 350 kb/s limit anywhere. please, read carefulle the ftp manpage. As there are some information missing, I look into my crystal ball and see that Jean-Frangois is downloading with help of the ftp program via DSL which is either 6Mbit or faster. Due to the latency of the DSL line the standard settings for net.inet.tcp.recvspace (see sysctl) are not correct for this kind of setup. He should try to increase it, for me 65536 works on 6Mbit DSL. Please tell me in case this is all wrong so that I can order a new crystal ball! Enough guessing, HTH Markus
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Welcome to Private Prosperity Club
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mailgraph and chroot
Hi there, Is there any How-To on a way of making the mailgraph package work with the chrooted Apache? Regards,
