Router problems on Redhat 9.0 Linux 2.4.20-13.9.HOSTAP

Yann Garcia yann.garcia at smartcom.com
Thu Apr 15 07:21:25 UTC 2004


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 at smartcom.com
Site: www.smartcom.com
 







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