Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
"Raphael H. Becker" wrote: > > On Sat, Sep 18, 2004 at 01:11:13AM +0200, Andre Oppermann wrote: > > I'm unable to reproduce your problem. > > > > Usually in these cases there is an ethernet duplex mismatch somewhere. > > Can set the network cards and the switches to fixed 1000 or 100 full-duplex?

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
On Sat, Sep 18, 2004 at 01:11:13AM +0200, Andre Oppermann wrote: > I'm unable to reproduce your problem. > > Usually in these cases there is an ethernet duplex mismatch somewhere. > Can set the network cards and the switches to fixed 1000 or 100 full-duplex? Yes, one of my first tests. Both machi

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
On Sat, Sep 18, 2004 at 12:16:20AM +0200, Andre Oppermann wrote: > Hmmm... Without getting the TCP statictics back to zero it's hard to correlate > any data. As explained in PM, I rechecked on another "target"-machine. Both machines were rebooted before test, source: net.inet.tcp.rfc3042: 1 ->

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
Raphael H. Becker wrote: On Fri, Sep 17, 2004 at 11:30:31PM +0200, Andre Oppermann wrote: rebooted the "source"-machine to get a defined state. Did reboot before the last test, too. And could you do this on the 5.3 machine: # sysctl net.inet.tcp.rfc3042=0 net.inet.tcp.rfc3042: 1 -> 0 wget on t

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
Raphael H. Becker wrote: On Fri, Sep 17, 2004 at 11:26:20PM +0200, Andre Oppermann wrote: Raphael H. Becker wrote: # sysctl net.inet.tcp # sysctl net.inet.tcp.hostcache.list # netstat -s -p tcp # netstat -s -p ip http://rhb.uugrn.org/FreeBSD/bugs/5.x/1000-to-100/check_before.txt http://rhb.uugrn.or

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
On Fri, Sep 17, 2004 at 11:30:31PM +0200, Andre Oppermann wrote: rebooted the "source"-machine to get a defined state. Did reboot before the last test, too. > And could you do this on the 5.3 machine: > # sysctl net.inet.tcp.rfc3042=0 net.inet.tcp.rfc3042: 1 -> 0 wget on target: Length: 1,16

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
On Fri, Sep 17, 2004 at 11:26:20PM +0200, Andre Oppermann wrote: > Raphael H. Becker wrote: > >> # sysctl net.inet.tcp > >> # sysctl net.inet.tcp.hostcache.list > >> # netstat -s -p tcp > >> # netstat -s -p ip > > > > http://rhb.uugrn.org/FreeBSD/bugs/5.x/1000-to-100/check_before.txt > > http://rh

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
Andre Oppermann wrote: Raphael H. Becker wrote: On Fri, Sep 17, 2004 at 02:48:21PM +0200, Andre Oppermann wrote: "Raphael H. Becker" wrote: My guess: The 5.3-Boxes send bigger TCP-Windows than our switch has buffer for each port resulting in massive packetloss or something like that. The sender is

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
Raphael H. Becker wrote: On Fri, Sep 17, 2004 at 02:48:21PM +0200, Andre Oppermann wrote: "Raphael H. Becker" wrote: My guess: The 5.3-Boxes send bigger TCP-Windows than our switch has buffer for each port resulting in massive packetloss or something like that. The sender is "too fast" for the swit

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
On Fri, Sep 17, 2004 at 02:48:21PM +0200, Andre Oppermann wrote: > "Raphael H. Becker" wrote: > > My guess: The 5.3-Boxes send bigger TCP-Windows than our switch has > > buffer for each port resulting in massive packetloss or something like > > that. The sender is "too fast" for the switch or the s

Re: DVB card

2004-09-17 Thread JINMEI Tatuya / 神明達哉
> On Thu, 16 Sep 2004 05:31:44 +0700, > Muhammad Reza <[EMAIL PROTECTED]> said: > Is there any DVB card (C band) that FreeBSD kernel support ? > please recommend us Hidetaka IZUMIYAMA ([EMAIL PROTECTED]) of the WIDE project gave me the following information which might help. > 6WIND and

Re: Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Andre Oppermann
"Raphael H. Becker" wrote: > > Hi *, > > one of our subnets is on a GBit-Switch since last week. > The nodes on the subnet are: > > 2x Dell PE350, RELENG_4_10, fxp{0,1}, 100baseTX > 3x Dell PE2650, RELENG_5 (BETA4), bge0, 1000baseTX > 1x Dell PE2650, RELENG_4_10, bge1, 1000baseTX > > The sw

Re: ng_one2many - very slow

2004-09-17 Thread Julian Elischer
donatas wrote: Hello, we need a 400Mbit link between two intel machines (Xeon 2.4, Raid, 512DDr, 2 ports-em(1000Mbit),2 ports-fxp(100Mbit)) configuration taken from ng_one2many man page: _ ifconfig em0 up media 100BaseTX mediaopt

Re: ng_one2many - very slow

2004-09-17 Thread Marko Zec
On Friday 17 September 2004 12:17, donatas wrote: > Hello, > > we need a 400Mbit link between two intel machines (Xeon 2.4, Raid, > 512DDr, 2 ports-em(1000Mbit),2 ports-fxp(100Mbit)) > > > > truth, we've tested direct link between em adapters in gigabit mode > and using TCP packets 850Mbit thr

ng_one2many - very slow

2004-09-17 Thread donatas
Hello, we need a 400Mbit link between two intel machines (Xeon 2.4, Raid, 512DDr, 2 ports-em(1000Mbit),2 ports-fxp(100Mbit)) configuration taken from ng_one2many man page: _ ifconfig em0 up media 100BaseTX mediaopt full-duplex i

Strange things on GBit / 1000->100 / net.inet.tcp.inflight.*

2004-09-17 Thread Raphael H. Becker
Hi *, one of our subnets is on a GBit-Switch since last week. The nodes on the subnet are: 2x Dell PE350, RELENG_4_10, fxp{0,1}, 100baseTX 3x Dell PE2650, RELENG_5 (BETA4), bge0, 1000baseTX 1x Dell PE2650, RELENG_4_10, bge1, 1000baseTX The switch is a "NETGEAR Model GS516T Copper Gigabit Sw

Re: strange pppoe/adsl issues

2004-09-17 Thread Fargo Holiday
unfortunately i wasn't terribly involved with anything but customer site hardware, though i do recall that we used redback equipment at the isp end. actual line vendors and switching varied depending on the region. just as Mark stated we, eventually, switched over to customer hardware with pppoe so