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RE: [SLUG] Ethernet dropouts..
check to see that if the same time the links are failing the link lights do
anything wierd...
Then get a decent protocol analyzer and check it out. for Windows
Etherboy/Netboy is not bad, and Ethereal is useful for X... Get a good
picture of what is happening when the links die on an Ethernet level
dave
> -----Original Message-----
> From: owner-slug@nospam.newtreno.spectrum.com.au
> [mailto:owner-slug@nospam.newtreno.spectrum.com.au]On Behalf Of George Vieira
> Sent: Wednesday, 14 June 2000 2:25 PM
> To: 'slug@nospam.slug.org.au'
> Subject: RE: [SLUG] Ethernet dropouts..
>
>
> These guys are programmers who usually start up a telnet session which
> automatically creates a DISPLAY enviroment for X to connect to.
> They just type "window" and hit enter which runs a "nohup
> gnome-terminal &"
> and they create as many windows as they need.
>
> They are all connected to the 1 coax line into a small 10BaseT hub with a
> BNC connector for the programmers (I'm in the middle of getting a 24 port
> 10/100 switch). The cabling runs along the wall in a kick panel and this
> problem has only started since the upgrade to the Linux box.
>
> I'm running on one of the ports on the 10 port hub and it's failing for me
> too... only since yesterday though.
>
> thanks,
> George Vieira
> Network Administrator
> Citadel Computer Systems P/L
> http://www.citadelcomputer.com.au
>
>
>
> -----Original Message-----
> From: Terry Collins [mailto:terryc@nospam.woa.com.au]
> Sent: Wednesday, 14 June 2000 2:16 PM
> To: George Vieira
> Cc: 'slug@nospam.slug.org.au'
> Subject: Re: [SLUG] Ethernet dropouts..
>
>
> George Vieira wrote:
>
> > I have 3 Ethernet cards in my Linux server which are all Realtek 8029
> cards.
> > I don't know if these cards have problems under linux or not but I'm
> > starting to wonder.
>
> Not much help to you, but these cards have worked fine for me for over
> two years.
>
> ...snip...
>
> > We are (unfortuanately) still running 10Base2 to the users and
> 10BaseT for
>
> 10Base2 makes me ask if there is any exposed cables that may have been
> damaged or have equipment resting on them (like a filing cabinent that
> squashes the cable when the top draw is pulled out -{:-).
>
> Also 10base2 legs can benefit by a working of all connections - dirty
> office syndrome leads to crud build up on the connection. Yep, it
> sounds like bullshit, but it happens.
>
> ..snip..
>
> > sessions are dropped? Is it just a matter of eliminate a possible cause
> one
> > at a time and probably start at the ethernet card?
>
> Nope, start logging all problems and look for common factors.
> Are they all on the one 10base2 leg,
> What were they doing in X?
> How many sessions did they have open,
> etc.
>
> There are a lot of possibilities to be eliminated.
>
> --
> Terry Collins {:-)}}} Ph(02) 4627 2186 Fax(02) 4628 7861
> email: terryc@nospam.woa.com.au www: http://www.woa.com.au
> or terryc@nospam.zip.net.au
> WOA Computer Services <lan/wan, linux/unix, novell>
> snail: PO Box 1047, Campbelltown, NSW 2560.
>
> "People without trees are like fish without clean water"
> --
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