linux as router

[fedora]

Hi

echo "1" > /proc/sys/net/ipv4/ip_forward

mind the quotes around the 1

suomi

On 2009-12-13 14:08, Adel ESSAFI wrote:
> Hi list
> This is the first time I have to configure linux as router.
> I have a single network card for which I gave to IPs
>
> eth0      Link encap:Ethernet  HWaddr 00:11:5B:72:7F:D9
>            inet addr:41.231.X.Y  Bcast:41.255.255.255  Mask:255.255.255.0
>            inet6 addr: fe80::211:5bff:fe72:7fd9/64 Scope:Link
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            RX packets:2595 errors:0 dropped:0 overruns:0 frame:0
>            TX packets:2295 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:1876353 (1.7 MiB)  TX bytes:328059 (320.3 KiB)
>            Interrupt:21 Base address:0x8000
>
> eth0:1    Link encap:Ethernet  HWaddr 00:11:5B:72:7F:D9
>            inet addr:192.168.10.10  Bcast:192.168.10.255  Mask:255.255.255.0
>            UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>            Interrupt:21 Base address:0x8000
>
>
>
>
> and this is the default route
>
> [root at routeur ~]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> 41.231.2.0      *               255.255.255.0   U     0      0        0 eth0
> 192.168.10.0    *               255.255.255.0   U     0      0        0 eth0
> link-local      *               255.255.0.0     U     1002   0        0 eth0
> default         41.231.2.81     0.0.0.0         UG    0      0        0 eth0
>
>
> The problem now, is when I configure a PC with an IP adress
> 192.168.10.X  and I put the gateway as 192.168.10.10, I do not succeed
> to ping any PC. How can I route all the packages from eth0:1 to eth0??
>
>
> note that I have configured the ip forward.
>
> echo 1> /proc/sys/net/ipv4/ip_forward
>
> Can you help me please.
>
> regards
>
>
>
>
>
> --
> http://ilovefedora.blogspot.com/
>
> --
>
> PhD candidate in Computer Science
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>