Bih iskal da dobavq neshto po-vurposa , osven tova koeto kaza luben
HUBovete izpolzvat bcast addressi , i kogato prashtash packeti te se vijdat
ot vsichki no gi priema samo MAC adresa koito e zadeden kato destination
v packeta, ta ako neiskash tezi packeti da se vijdat ot tcpdump-a
.. vzemi si switch0ve
br
Nikolay
-----Original Message-----
From: Luben Karavelov [mailto:[EMAIL PROTECTED]]
Sent: Saturday, July 21, 2001 7:03 PM
To: [EMAIL PROTECTED]
Subject: Re: lug-bg: Lan problem
On Sun, Jul 22, 2001 at 02:46:38AM +0300, Miroslav Slavkov wrote:
> zdraveite.
>
> imam malyk (dali?) problem.
> vyv firmata v koiato rabotia ima Lan izgraden ot 2 hub-a i 6 machines i 1
> router. Kogato pusna tcpdump -i eth0 na moiata mashina vizhdam absolutno
> vsi4ki packets koito minavat po lan-a (dori i tezi koito ne sa adresirani do
> moiata mashina)
>
> niakakvi idei?
> regards
> --
ethernet e "shared media", demek ti poluchavash vsiski paketi, puk eth drivera si
izbira samo tezi, koito sa adresirani za nego. kogato pusnesh tcpdump, programkata
prevkluchva eth drivera v "promiscuous mode" - tova shte reche che pochva da priema
vsichki eth paketi.
kakyv e problema? ako iskash s tcpdump da vizhdash paketite samo za tvoiata mashina,
pusni go s opcia "-p". ako te pritesniava che ti e natovaren ethernet-a kupi si
switch - toi shte ti routira eth paketite na leyer 2 i niama da poluchavash paketi,
koito ne sa za teb, taka shte se namali obshtoto natovarvane na eth mrezhata. no v
sluchaia s 6 mashini, tova ne e neobhodimo.
best regards
luben
>
> ---------------
> Miroslav Slavkov
> System Administrator
> SV-BG.COM
> [EMAIL PROTECTED]
> ---------------
> ===========================================================================
> A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers)
> http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora
--
_________________________________________________________
Luben Karavelov [phone] +359 2 9877088
Network Administrator [ICQ#] 34741625
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