RE: lug-bg: Lan problem

[NAbromov@xxxxxxxx (Nikolai Abromov)]

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:luben@xxxxxxxxx]
Sent: Saturday, July 21, 2001 7:03 PM
To: lug-bg@xxxxxxxxxxxxxxxxxx
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
> viper@xxxxxxxxx
> ---------------
>
========================================================================
===
> 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
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

===========================================================================
A mail-list of Linux Users Group - Bulgaria (bulgarian linuxers)
http://www.linux-bulgaria.org/ Hosted by Internet Group Ltd. - Stara Zagora