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]
>
>
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> unsubscribe from this list.
>
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