'bad intefaces address' with wireless!!

From: Ciccio (ciccio.unicoTOGLIMI_at_libero.it)
Date: 10/24/05 

Date: Mon, 24 Oct 2005 12:29:11 GMT

I have dlink 650 with knoppix 4.02
I have setting iwconfig, ifconfig and gateway, but when i write:
ping -I gateway
return bad interfaces addres.
This is my setting.(eth2 is wireless card, gateway 192.168.0.1) .

------------------------------------------
eth0 Link encap:UNSPEC HWaddr
          00-E0-18-00-03-28-4A-31-00-00-00-00-00-00-00-00
           inet addr:192.168.0.4 Bcast:192.168.0.255 Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b) TX bytes:108 (108.0 b)

eth2 Link encap:Ethernet HWaddr 00:11:95:BA:FA:44
           inet addr:192.168.0.5 Bcast:192.168.0.255 Mask:255.255.255.0
           UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
           RX packets:3 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:199
           RX bytes:180 (180.0 b) TX bytes:0 (0.0 b)
           Interrupt:17 Memory:e0f40000-e0f50000

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:10 errors:0 dropped:0 overruns:0 frame:0
           TX packets:10 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:896 (896.0 b) TX bytes:896 (896.0 b)
--------------------------------------------------------------------
eth2 IEEE 802.11g ESSID:"NETGEAR"
           Mode:Managed Frequency:2.462 GHz Access Point:
           00:0F:B5:B9:A9:F0
           Bit Rate:36 Mb/s Tx-Power:50 dBm Sensitivity=0/3
           Retry:off RTS thr:off Fragment thr:off
           Encryption key:helpmy-helpmy-helpmy
           Security mode:restricted
           Power Management:off
           Link Quality=46/94 Signal level=-49 dBm Noise level=-95 dBm
           Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
           Tx excessive retries:0 Invalid misc:0 Missed beacon:0
----------------------------------------------------
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
   192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth2
default 192.168.0.1 0.0.0.0 UG 0 0 0 eth2
---------------------------------------------------

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