network problem: internet sharing

[Joel Hammer]

You might look at the action upstairs with tcpdump.
Is there some firewall on the downstairs machine?
Perchance, you don't have two machines with the same IP number on your
network?
Joel

On Mon, Jul 21, 2003 at 10:28:59AM -0400, Keith Antoine wrote:
> I seem to have given may an incorrect version of my internet sharing problem.
> The problem is NOT that I cannot share my machine with daughters downstairs 
> machine, but that I cannot share theinternet connection. This does not entail 
> any file sharing on either machine and is normally done both in XP and in 
> Mandrake 9.x via aGUI interface. This has always worked in the past on may 
> other machines that i have installed. However not this monster.
> 
> OUTPUT of ifconfig:
> eth0      Link encap:Ethernet  HWaddr 00:E0:18:F1:BE:AE
>           inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:11 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:13 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:100
>           RX bytes:2725 (2.6 Kb)  TX bytes:2546 (2.4 Kb)
>           Interrupt:11 Base address:0xb000
> 
> eth1      Link encap:Ethernet  HWaddr 00:E0:18:FE:6E:70
>           inet addr:210.49.48.75  Bcast:210.49.48.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:715 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:100
>           RX bytes:54804 (53.5 Kb)  TX bytes:3624 (3.5 Kb)
>           Interrupt:5 Base address:0x2000
> 
> lo        Link encap:Local Loopback
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           UP LOOPBACK RUNNING  MTU:16436  Metric:1
>           RX packets:56 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:56 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:3800 (3.7 Kb)  TX bytes:3800 (3.7 Kb)
> 
> OUTPUT of route:
> [root at dhcp-817-6 kantoine]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.1.0     *               255.255.255.0   U     0      0        0 eth0
> 210.49.48.0     *               255.255.255.0   U     0      0        0 eth1
> 127.0.0.0       *               255.0.0.0       U     0      0        0 lo
> default         210.49.48.1.opt 0.0.0.0         UG    0      0        0 eth1
> 
> OUTPUT of ping to downstairs machine:
> [root at dhcp-817-6 kantoine]# ping 192.168.1.2
> PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data.
> 64 bytes from 192.168.1.2: icmp_seq=1 ttl=128 time=0.246 ms
> 64 bytes from 192.168.1.2: icmp_seq=2 ttl=128 time=0.228 ms
> 64 bytes from 192.168.1.2: icmp_seq=3 ttl=128 time=0.219 ms
> 64 bytes from 192.168.1.2: icmp_seq=4 ttl=128 time=0.222 ms
> 
> 
> Now if I go downstairs I cannot ping to this machine 192.168.1.1
> nor can I 'see' the net with a browser. This is irrespective of the OS on this 
> upstairs machine. So there is something wrong on the downstairs machine or 
> the connection to this machine !! Logic dictates that. No the nic leads are 
> fine as I would not be able to ping downstairs and the cards would have X on 
> them.
> 
> Question what moves do you suggest that I make now, given the above.
> 
> 
> 
> -- 
> Keith Antoine (GANDALF) aka 'SKIPPY'
> 18 Arkana St, The Gap, Queensland 4061, Australia:: PH:61733002161
> Practising Geriatric, Retired Electronics Engineer, Knowall, Brain in storage
> 
> 
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