Probleme de conf wireless...

Bonjour,

mon objetif est de connecter deux pc au moyen d'une connection wireless.
Je sais que les deux cartes fonctionnent (je peux les utiliser pour me
connecter a internet directement sur une livebox).

Impossible de faire un ping... Les deux cartes sont à base Atheros et du
drivers madwifi (version récente, samedi ou dimanche).

Ou est la probleme dans ma conf ?

Conf du premier :
- carte PCMCIA : netgear WG511T
- kernel 2.6.11

$ cat /etc/network/interfaces

iface ath0 inet static
address 192.168.1.1
netmask 255.255.255.0
wireless_essid Tinou_Home
wireless_mode ad-hoc
wireless_rate 24M
wireless_channel 11
wireless_enc off


$ dmesg | grep ath0
ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
ath0: turboG rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
ath0: H/W encryption support: WEP AES AES_CCM TKIP
ath0: mac 5.9 phy 4.3 radio 4.6
ath0: Use hw queue 1 for WME_AC_BE traffic
ath0: Use hw queue 0 for WME_AC_BK traffic
ath0: Use hw queue 2 for WME_AC_VI traffic
ath0: Use hw queue 3 for WME_AC_VO traffic
ath0: Use hw queue 8 for CAB traffic
ath0: Use hw queue 9 for beacons
ath0: Atheros 5212: mem=0x21000000, irq=11
ath0: no IPv6 routers present

$ ifup ath0
$ route

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 ath0

Conf du second pc :
- carte pci : DWL-520
- kernel 2.6.12

$ cat /etc/network/interfaces

iface ath0 inet static
address 192.168.1.2
netmask 255.255.255.0
wireless_essid Tinou_Home
wireless_mode ad-hoc
wireless_rate 24M
wireless_channel 11
wireless_enc off

$ dmesg | grep ath0

ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps
24Mbps 36Mbps 48Mbps 54Mbps
ath0: mac 5.9 phy 4.3 radio 4.6
ath0: 802.11 address: 00:0f:b5:a0:f4:0f
ath0: Use hw queue 0 for WME_AC_BE traffic
ath0: Use hw queue 1 for WME_AC_BK traffic
ath0: Use hw queue 2 for WME_AC_VI traffic
ath0: Use hw queue 3 for WME_AC_VO traffic
ath0: Atheros 5212: mem=0x21000000, irq=11
ath0: no IPv6 routers present

$ ifup ath0
$ route

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
192.168.1.0 * 255.255.255.0 U 0 0 0 ath0

$ ifconfig ath0
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20f:b5ff:fea0:f40f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:16772 errors:2148 dropped:0 overruns:0 frame:2148
TX packets:14858 errors:1 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:200
RX bytes:13883553 (13.2 MiB) TX bytes:1169716 (1.1 MiB)
Interrupt:11 Memory:e1320000-e1330000

$ iwconfig ath0
ath0 IEEE 802.11g ESSID:"Tinou_Home"
Mode:Ad-Hoc Frequency:2.462 GHz Cell: 02:0F:3D:AF:53:66
Bit Rate=24 Mb/s Tx-Power:18 dBm Sensitivity=0/3
Retry:off RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=36/94 Signal level=-59 dBm Noise level=-95 dBm
Rx invalid nwid:59594 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:1 Invalid misc:1 Missed beacon:0

Merci d'avance
Etienne


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