Juan Miscaro wrote:
Hi,

I am using OpenBSD 4.2 as my WAP with a ral adapter.  My wireless
client is running Kubuntu.

The server is running dnsmasq (DHCP/DNScaching) and everything works.

However, after a while the connection breaks completely and the only
thing that rectifies the situation is a reboot on the serverside.

I thought this instability may be a simplex/duplex issue.  Here is the
ifconfig ouput for ral0:

ral0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        lladdr 00:18:f8:28:b9:f4
        groups: wlan
        media: IEEE802.11 autoselect mode 11g hostap
        status: active
        ieee80211: nwid WIFILAN chan 11 bssid 00:18:f8:28:b9:f4 100dBm
        inet6 fe80::218:f8ff:fe28:b9f4%ral0 prefixlen 64 scopeid 0x1
        inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255

Can someone please advise on troubleshooting methods?

I have had similar issues with a ral device. If I recall correctly,

  $ sudo ifconfig down
  $ sudo ifconfig up

was enough to get it running again. I was thinking about insufficient power supply (it is a soekris _with_internal_harddrive_ after all...), but I have not investigated it further.

If the above works for you, you could, as a workaround, add a cron job to do that every now and then, or script something up that does it if some ping command fails or so.

/Alexander

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