RE : Router problems on Redhat 9.0 Linux 2.4.20-13.9.HOSTAP

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Hi Pete,

Thank you for your help.

If I use a range of address 10.1.0.1 to 10.1.0.50 using a net mask
255.255.255.0, is it ok?

Cheers,

Yann Garcia 

-----Message d'origine-----
De : redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] De la part de Pete Nesbitt
Envoyé : vendredi 16 avril 2004 03:33
À : yann.garcia@xxxxxxxxxxxx; General Red Hat Linux discussion list
Objet : Re: Router problems on Redhat 9.0 Linux 2.4.20-13.9.HOSTAP

On April 15, 2004 12:21 am, Yann Garcia wrote:
> Hi,
>
> On my Linux box, I have two network interfaces: a LAN interface (eth0)
and
> a WLAN (wlan0). I set ip forwarding in /etc/sysctl.conf. I start a
sniffer
> (tethereal) on both interfaces. When I make a ping from WLAN network
to LAN
> network, ping don? cross my gateway. The networks infos are:
> eth0: 10.0.1.37/16
> wlan0: 10.0.10.1/24
> The route tables are (netstat ?rn):
>          Destination     Passerelle      Genmask         Indic   MSS
> Fenetre irtt Iface 10.0.10.0       0.0.0.0         255.255.255.0   U

>  0 0          0 wlan0 10.0.0.0        0.0.0.0         255.255.0.0
U    
>     0 0          0 eth0 169.254.0.0     0.0.0.0         255.255.0.0
U  
>       0 0          0 wlan0 127.0.0.0       0.0.0.0         255.0.0.0

> U         0 0          0 lo 0.0.0.0         10.0.0.1        0.0.0.0

> UG        0 0          0 eth0
>
> The iptables rules are (iptables ?L ?n ?v):
>          Chain INPUT (policy ACCEPT 17346 packets, 1205K bytes)
>           pkts bytes target     prot opt in     out     source

>  destination
>
>          Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
>           pkts bytes target     prot opt in     out     source

>  destination
>
>          Chain OUTPUT (policy ACCEPT 17144 packets, 1306K bytes)
>           pkts bytes target     prot opt in     out     source

>  destination
>
> I?m sorry but I don?t understand why my gateway doesn?t work!
>
> Thank you very much for your assistance,
>
> Best regards,
>
> Yann Garcia
> Software Engineer
>
> SmartCom
> 400, Av Roumanille - BP 309
> 06906 Sophia Antipolis Cedex
> France
>
> Tel: +33 493 008 746
> Fax: +33 493 001 101
> Mail: yann.garcia@xxxxxxxxxxxx
> Site: www.smartcom.com


Hi,
Your eth0's network contains of the wlan IP range.
10.0.1.37/16 is part of a network ip range of 10.0.0.1 to 10.0.255.254
Your wlan range is inside that so no routing is performed.

You want to use a class C range for the wlan, so instead of 10.0.10.0
network, 
try using one of the 192.168. class C networks. It may make be best to
use 2 
different 192.168 networks (say 192.168.0.0/24 for LAN and
192.168.1.0/24 for 
the WLAN). 

Class A 1.0.0.0 - 127.255.255.255
Class B 128.0.0.0 - 191.255.255.255
Class C  192.0.0.0 - 223.255.255.255

Hope that helps.
-- 
Pete Nesbitt, rhce


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