Heeeeeeelp with Routing Issue
Roger Grosswiler
roger at gwch.net
Tue Jan 25 12:29:58 UTC 2005
Paul Howarth schrieb:
> On Tue, 2005-01-25 at 09:19 +0100, Roger Grosswiler wrote:
>
>>I have a small linux-router with 3 nics builtin (eth2 has been built-in
>>additionally 2 days before):
>>
>>eth0 Link encap:Ethernet HWaddr 00:04:5A:65:F8:B7
>> inet addr:10.0.0.2 Bcast:10.255.255.255 Mask:255.0.0.0
>> RX bytes:558482 (545.3 Kb) TX bytes:512763 (500.7 Kb)
>> Interrupt:10 Base address:0x7400
>>
>>eth1 Link encap:Ethernet HWaddr 00:08:A1:6F:26:D7
>> inet addr:192.168.0.100 Bcast:192.168.0.255 Mask:255.255.255.0
>> RX bytes:732893 (715.7 Kb) TX bytes:347104 (338.9 Kb)
>>
>>
>>eth2 Link encap:Ethernet HWaddr 00:40:F4:76:BF:89
>> inet addr:192.168.2.101 Bcast:192.168.2.255 Mask:255.255.255.0
>> RX bytes:717996 (701.1 Kb) TX bytes:941933 (919.8 Kb)
>>
>>
>>my routing table looks as follows:
>>
>>Kernel IP routing table
>>Destination Gateway Genmask Flags Metric Ref Use
>>Iface
>>192.168.2.0 * 255.255.255.0 U 0 0 0 eth2
>>192.168.0.0 * 255.255.255.0 U 0 0 0 eth1
>>10.0.0.0 * 255.0.0.0 U 0 0 0 eth0
>>default 192.168.0.1 0.0.0.0 UG 0 0 0 eth1
>>
>>
>>from this machine, i get without any problems in net 192.168.0.0 and
>>192.168.2.0 and 10.0.0.0. But: I cannot get from 10.0.0.0 to the others
>>(except if i am on the routing machine.
>>
>>I set /proc/sys/net/ipv4/ip_forward to 1, so routing should be working
>>fine. But somehow it doesn't. My firewall is deactivated for the moment.
>>
>>Traceroute from 10.0.0.1 to 10.0.0.2 is even not working (* * *). Ping
>>-b 10.0.0.0 from 10.0.0.1 even doesn't show up 10.0.0.2....
>
>
> Are you sure the client 10.0.0.1 is configured with:
>
> IP = 10.0.0.1
> Netmask = 255.0.0.0
> Broadcast = 10.255.255.255
> Gateway = 10.0.0.2
>
> Paul.
Here Data from 10.0.0.1:
eth0 Protokoll:Ethernet Hardware Adresse 00:08:C7:4C:3B:C6
inet Adresse:10.0.0.1 Bcast:10.255.255.255 Maske:255.0.0.0
inet6 Adresse: fe80::208:c7ff:fe4c:3bc6/64
Gültigkeitsbereich:Verbindung
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:38525 errors:10 dropped:0 overruns:0 frame:10
TX packets:518814 errors:2 dropped:0 overruns:0 carrier:2
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:2898974 (2.7 Mb) TX bytes:766762700 (731.2 Mb)
Interrupt:15 Basisadresse:0x2800
Kernel IP Routentabelle
Ziel Router Genmask Flags Metric Ref Use
Iface
169.254.0.0 * 255.255.0.0 U 0 0 0 eth0
10.0.0.0 * 255.0.0.0 U 0 0 0 eth0
default 10.0.0.2 0.0.0.0 UG 0 0 0 eth0
Roger
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