Problem with network

Gianluca Gasperini gluca_gasperini at yahoo.it
Mon Jun 26 14:29:25 BST 2006


The last tray have this result

 eth0      Link encap:Ethernet  HWaddr 00:0A:E4:42:89:5A
           inet addr:192.168.1.15  Bcast:192.168.1.255  Mask:255.255.255.0
           inet6 addr: fe80::20a:e4ff:fe42:895a/64 Scope:Link
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:20 errors:0 dropped:0 overruns:0 frame:0
           TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:2456 (2.3 KiB)  TX bytes:1794 (1.7 KiB)
           Interrupt:233 Base address:0x8000
 
 
 lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:3 errors:0 dropped:0 overruns:0 frame:0
           TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:172 (172.0 b)  TX bytes:172 (172.0 b)
 
 
 gengi at eragon:~$ ping www.google.it
 ping: unknown host www.google.it
 gengi at eragon:~$ ping www.google.com
 ping: unknown host www.google.com
 gengi at eragon:~$ ping 192.168.1.1
 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
 From 192.168.1.15 icmp_seq=2 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=3 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=4 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=6 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=7 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=8 Destination Host Unreachable
 
 
 --- 192.168.1.1 ping statistics ---
 8 packets transmitted, 0 received, +6 errors, 100% packet loss, time 6999ms
 , pipe 3
 gengi at eragon:~$ ping 127.0.0.1
 PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
 64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.077 ms
 64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.075 ms
 64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.072 ms
 
 
 --- 127.0.0.1 ping statistics ---
 3 packets transmitted, 3 received, 0% packet loss, time 1999ms
 rtt min/avg/max/mdev = 0.072/0.074/0.077/0.010 ms
 gengi at eragon:~$ ping 66.249.85.99
 PING 66.249.85.99 (66.249.85.99) 56(84) bytes of data.
 From 192.168.1.15 icmp_seq=2 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=3 Destination Host Unreachable
 From 192.168.1.15 icmp_seq=4 Destination Host Unreachable
 
 
 --- 66.249.85.99 ping statistics ---
 4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2999ms
 , pipe 3
 gengi at eragon:~$ traceroute 66.249.85.99
 bash: traceroute: command not found
 gengi at eragon:~$ sudo traceroute 66.249.85.99
 sudo: traceroute: command not found
 gengi at eragon:~$ nslookup www.google.com
 ;; connection timed out; no servers could be reached
 
 
 gengi at eragon:~$ sudo apt-get install etherape
 Lettura della lista dei pacchetti in corso... Fatto
 Generazione dell'albero delle dipendenze in corso... Fatto
 E: Impossibile trovare etherape
 
 
 From cmd ipconfig I recive this answer
 
 C:\Documents and Settings\Gianluca>ipconfig/all
 
 
 Configurazione IP di Windows
 
 
         Nome host . . . . . . . . . . . . . . : HRT-47
         Suffisso DNS primario  . . . . . . .  :
         Tipo nodo . . . . . . . . . . . .  : Misto
         Routing IP abilitato. . . . . . . . . : No
         Proxy WINS abilitato . . . . . . . .  : No
 
 
 Scheda Ethernet Bridge di rete (Bridge di rete) 4:
 
 
         Suffisso DNS specifico per connessione:
         Descrizione . . . . . . . . . . . . . : Miniport del ponte MAC
         Indirizzo fisico. . . . . . . . . . . : B2-43-EB-43-A3-08
         DHCP abilitato. . . . . . . . . . . . : Sì
         Configurazione automatica abilitata   : Sì
         Indirizzo IP. . . . . . . . . . . . . : 192.168.1.5
         Subnet mask . . . . . . . . . . . . . : 255.255.255.0
         Gateway predefinito . . . . . . . . . : 192.168.1.1
         Server DHCP . . . . . . . . . . . . . : 192.168.1.1
         Server DNS . . . . . . . . . . . . .  : 192.168.1.1
         Lease ottenuto. . . . . . . . . . . . : lunedì 26 giugno 2006 15.13.15
         Scadenza lease . . . . . . . . . . .  : martedì 27 giugno 2006 3.13.15
 
 
 

Andreas Ruppen <andreas.ruppen at gmail.com> ha scritto:  >  Kernel IP routing table
>  Destination     Gateway         Genmask         Flags   MSS Window  irtt
>  Iface
>  192.168.1.0     *               255.255.255.0   U         0 0          0
>  eth0
>  default         192.168.1.1     0.0.0.0         UG        0 0          0
>  eth0

Ok that seems good (at least for me)

>  sudo ifconfig
>  eth0      Link encap:Ethernet  HWaddr 00:0A:E4:42:89:5A
>            inet addr:192.168.1.15  Bcast:192.168.1.255  Mask:255.255.255.0
>            inet6 addr: fe80::20a:e4ff:fe42:895a/64 Scope:Link
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:22 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:16 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:2488 (2.4 KiB)  TX bytes:1794 (1.7 KiB)
>            Interrupt:233 Base address:0xe000
>  
that seems to be ok also

>  gengi at eragon:~$ ping 66.249.85.99
>  PING 66.249.85.99 (66.249.85.99) 56(84) bytes of data.
>  From 192.168.1.15 icmp_seq=1 Destination Host Unreachable
>  From 192.168.1.15 icmp_seq=2 Destination Host Unreachable
>  From 192.168.1.15 icmp_seq=3 Destination Host Unreachable
>  
can you do a traceroute for this ip?
gengi at eragon:~$ traceroute 66.249.85.99

> The cmd doesn't work
the instructions has to be done on the windows box (dont know if you need 
to be admin)

> I don't know how contact the router
routers address should be 192.168.1.1

can you try to do 
gengi at eragon:~$ nslookup www.google.com

By the way do you have a working internet connection on your windows box?
And how exactly do you connect to internet

$$MS$$----------
192.168.1.XXX   \
                 ---192.168.1.1--- internet
                /  (DSL router)
Ubunut----------
192.168.1.15

is the above picture right?

you can try install etherape (sudo apt-get install etherape )and while
etherape is running do a ping (its a sort of graphical traceroute)


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