Re: em(4) link flapping

From: Roman Kurakin (rik_at_cronyx.ru)
Date: 04/26/04

  • Next message: Eugene Grosbein: "Re: em(4) link flapping" 
    Date: Mon, 26 Apr 2004 16:11:12 +0400
To: Eugene Grosbein <eugen@kuzbass.ru>

    Eugene Grosbein wrote:

    >Hi!
    >
    >My Intel motherboard contains on-boad NIC:
    >
    >em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.25> port
    >0xac00-0xac1f mem 0xfe9e0000-0xfe9fffff irq 10 at device 1.0 on pci2
    >
    >It it connected to Allied Telesyn AT FS724i unmanaged switch,
    >media is autodetected correctly - 100baseTX full-duplex.
    >
    >It worked nice for 3 months. Today morning switch and em0
    >start to loose/establish link every 5-10 seconds. They do it
    >with autosensed media and with manually set 100baseTX (both half-duplex
    >or full-duplex variants) now. I've forced it to 10mbit/half duplex,
    >it seems to be much stable.
    >
    >This box has two more PCI ethernet cards, each of which is two-port em(4),
    >so I have em0 (that has problems) and em1, em2, em3 and em4
    >(that keep working OK).
    >
    >I tried to replace a cable, to reset the switch, to reboot this 4.9-STABLE
    >box - nothing helps. What should I try next?
    >
    >
    Did you tried another port on a switch?

    Best regards,
                          rik

    >Eugene Grosbein
    >_______________________________________________
    >freebsd-net@freebsd.org mailing list
    >http://lists.freebsd.org/mailman/listinfo/freebsd-net
    >To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
    >
    >
    >
    >

    _______________________________________________
    freebsd-net@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-net
    To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"

  • Next message: Eugene Grosbein: "Re: em(4) link flapping"

    Relevant Pages

    • Re: Managed/unmanaged Switch
      ... The price delta is a lot but I can't seem to find out ... >> sparcs and need a switch for them to communicate with each other. ... An unmanaged switch lacks this. ... as long as it's the NIC that gets reset. ...
      (comp.unix.solaris)
    • ng_one2many and switches
      ... * with an unmanaged switch I'll be able to effectively double the ... outgoing bandwidth on a given server, ... with a managed switch that supports link aggregation I'll be able to ... -- "bash awk grep perl sed df du, du-du du-du, vi troff su fsck rm * halt LART LART LART!" ...
      (freebsd-questions)
    • Re: network switch question...
      ... >> I tempted to go for the unmanaged switch. ... > always assign a static IP address to the switch, ... > The first time your company's ISP connection seems to die you'll be ... They all run linux and will be nothing ...
      (comp.os.linux.networking)
    • Re: Managed/unmanaged Switch
      ... The price delta is a lot but I can't seem to find out ... > sparcs and need a switch for them to communicate with each other. ... An unmanaged switch lacks this. ... for the price of a cheap 6-8 port ...
      (comp.unix.solaris)
    • Re: 3com switch
      ... "Unmanaged switch" You have to buy a new one to do what you ... Affordable, Unmanaged 10/100 Ethernet Switching ... Albert wrote: ...
      (microsoft.public.win2000.networking)