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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