da si un ifconfig pe placi sa vezi daca da vreo eroare la tx/rx.
Ca sa faci un test, incearca sa le bootezi pe amindoua cu un cd
(gen redhat/mandrake) in expert mode, le dai adrese ip
si incerci ping.
Sau unul cu cd si celalalt cu sistemul de pe hard.
uita-te si la ipchains/tables etc sa nu ai vreun filtru dubios pe tcp/icmp etc
jack
Ovidiu Muntean wrote:
> Eu zic sa te uiti si pe C1 (in timp ce ping-ui) cu tcpdump, sa vezi daca
> ajung la el arp reply-urile alea. Daca nu ajung, poate e bushit tx-ul
> transceiverului placii de retea a lui C2. Sau rx-ul de pe C1. Sau cine
> stie..
> Asta presupunand ca n-ai deny pe icmp :)
>
> Ovidiu
>
> On Wed, 2 May 2001, Mihai Ichim wrote:
>
> >
> >
> > Am o retea formata din 2 calculatoare cuplate intre ele pe 10base2 (BNC)
> > cu placi de retea 3COM ENTERLINK III
> > pe unu e kernel 2.4.2 iar pe celalant e kernel 2.4.3 ambele compilate cu
> > suport pentru 3com. Problema e ca nu se vad intre ele
> >
> > deci daca depe C1 dau ping la C2 iar pe C2 ascult placa de retea cu tcpdump
> > imi apare urmatoarele
> >
> > C1: (ping)
> > # ping 192.168.25.2
> > PING 192.168.25.2 (192.168.25.2) from 192.168.25.1 : 56(84) bytes of data.
> > >From 192.168.25.1: Destination Host Unreachable
> > >From 192.168.25.1: Destination Host Unreachable
> > >From 192.168.25.1: Destination Host Unreachable
> >
> > --- 192.168.25.2 ping statistics ---
> > 6 packets transmitted, 0 packets received, +3 errors, 100% packet loss
> >
> >
> > C2: (tcpdump -qi eth0)
> > 15:41:37.620212 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:37.620261 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> > 15:41:38.613160 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:38.613190 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> > 15:41:39.613004 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:39.613032 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> > 15:41:40.613052 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:40.613081 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> > 15:41:41.612741 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:41.612775 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> > 15:41:42.612613 B arp who-has 192.168.25.2 tell 192.168.25.1
> > 15:41:42.612642 > arp reply 192.168.25.2 (0:a0:24:b9:66:3f) is-at
> > 0:a0:24:b9:66:3f (0:60:97:32:1c:70)
> >
> >
> >
> > Ce sa inteleg din toata chestia asta? Unde gresesc?
> >
> > Ambele placi is configurate cu softul lor special sa lucreze pe 10base2 (BNC)
> >
> >
> > Multumesc anticipat
> >
> >
> >
> > Cu stima,
> >
> > [Misu]
> >
> >
> > ---
> > Send e-mail to '[EMAIL PROTECTED]' with 'unsubscribe rlug' to
> > unsubscribe from this list.
> >
>
> ---
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