[SLUG] Wireless network problem possibly DHCP?

From: Russ Wright (rwrigh10@tampabay.rr.com)
Date: Sat Feb 21 2004 - 09:37:38 EST


Hello Sluggers!
I need some help fixing a networking problem. The network funcitons properly
under Windows so I know the hardware is working. The problem seems to be
linux specific. I have a wireless network in my house and I cannot get
outside of my local area network. I am running Suse 9.0 pro and have a
Linksys WUSB11 ver 2.6 wireless nic. I am using the at76c503 - linux driver
for Atmel at76c503 based usb wlan adapters.
http://at76c503a.berlios.de/

I can hotplug the wireless nic and it is detected and the driver modules load
properly. I confirmed this by doing
#>lsmod
Module Size Used by Tainted: P
at76c503-rfmd 39360 0 (unused)
usbdfu 7820 0 [at76c503-rfmd]
at76c503 49824 0 [at76c503-rfmd]

I then confirm the device is recognized and do a #> iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
sit0 no wireless extensions.
eth1 ATMEL RFMD503A ESSID:"linksys" Nickname:"linksys"
          Mode:Managed Channel:6 Access Point: 00:06:25:55:C9:FD
          Bit Rate:11Mb/s
          RTS thr=2347 B Fragment thr=2346 B
          Encryption key:off
          Link Quality:100 Signal level:65 Noise level:0
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:0 Invalid misc:0 Missed beacon:0

So I issued an #>ifup eth1
warning: using NO encryption
ERROR: command 'iwconfig eth1 nick linux' returned
        Error for wireless request "Set Nickname" (8B1C) :
        SET failed on device eth1 ; Operation not supported.
Starting DHCP Client Daemon on eth1... . IP/Netmask: 192.168.1.102 /
255.255.255.0

The error messages are no biggie the important part is that I get an IP
address.

I also check the config:
#> ifconfig
eth1 Link encap:Ethernet HWaddr 00:06:25:19:9A:3C
          inet addr:192.168.1.102 Bcast:192.168.1.255 Mask:255.255.255.0
          inet6 addr: fe80::206:25ff:fe19:9a3c/64 Scope:Link
          UP BROADCAST NOTRAILERS RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:58 errors:0 dropped:0 overruns:0 frame:0
          TX packets:63 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:6763 (6.6 Kb) TX bytes:5274 (5.1 Kb)

When I issue #> 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 eth1

Notice the missing gateway I cannot get outside my local area network. If I
manually add the route then it works.

# 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 eth1
default 192.168.1.1 0.0.0.0 UG 0 0 0 eth1

So any Ideas on the problem?

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