Need help configuring my network

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Author: Mark Phillips
Date:  
To: PLUG
Subject: Need help configuring my network
I am pulling my hair out trying to set up a ??simple?? wireless network.
Everything seems to be working, but I cannot ping any other computer on the
network.

The setup
* Dell Optiplex 260 (P4 2.49 GHz, 512 MB RAM, 140+40 MB drives) hostname
stingray

* Windows XP is installed on the 40 GB drive and I just did a net install of
Debian (2.6.8-2-386) on the 140 GB drive. Grub handles the dual boot.

* Network card = D-Link DWL-G520 , HW rev B3, Firmware 4.20

* I am using madwifi 1.7-3 drivers compiled from source

* ifplugd 0.26 to detect which network card is active - wireless or integrated
ethernet port

* wpasupplicant 0.3.8-1 for security later

Some sample command uutput:

stingray:/home/mark# iwconfig
lo        no wireless extensions.


ath0      IEEE 802.11  ESSID:"PMI"
          Mode:Managed  Frequency:2.427 GHz  Access Point: 00:12:17:0A:57:85
          Bit Rate:1 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=0/94  Signal level=-95 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


eth0      no wireless extensions.


sit0      no wireless extensions.
-------------------------------------------------------------------
stingray:/home/mark# ifconfig
ath0      Link encap:Ethernet  HWaddr 00:13:46:E3:68:2B
          inet addr:192.168.25.125  Bcast:192.168.25.255  Mask:255.255.255.0
          inet6 addr: fe80::213:46ff:fee3:682b/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:1172 errors:7435 dropped:0 overruns:0 frame:7435
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:200
          RX bytes:73606 (71.8 KiB)  TX bytes:0 (0.0 b)
          Interrupt:169 Memory:e08b1000-e08c1000


eth0      Link encap:Ethernet  HWaddr 00:08:74:CC:3C:17
          inet6 addr: fe80::208:74ff:fecc:3c17/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
          Base address:0xdcc0 Memory:ff6c0000-ff6e0000


lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1653 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1653 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:144614 (141.2 KiB)  TX bytes:144614 (141.2 KiB)


--------------------------------------------------------------------------
stingray:/home/mark# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
192.168.25.0    0.0.0.0         255.255.255.0   U     0      0        0 ath0
127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 lo
0.0.0.0         192.168.25.1    0.0.0.0         UG    0      0        0 ath0
stingray:/home/mark#
------------------------------------------------------------------------------------


/etc/network/interfaces

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
#auto eth0
#iface eth0 inet dhcp
allow-hotplug eth0
iface eth0 inet static
    address 192.168.25.125
        netmask 255.255.255.0
    broadcast 192.168.25.255
    gateway 192.168.25.1


# The wireless network interface
allow-hotplug ath0
iface ath0 inet static
    wpa-driver madwifi
    wpa-ssid PMI
    address 192.168.25.125
    netmask 255.255.255.0
    broadcast 192.168.25.255
    gateway 192.168.25.1
---------------------------------------------------------------------


If I boot into XP, the wireless card connects and works, so I believe the
hardware is OK.

What am I missing or doing wrong? When I try to ping another computer on my
network I get "host unreachable".

--
Mark Phillips
Phillips Marketing, Inc

602 524-0376
480 945-9197 fax
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