Network Problem FreeBSD6.0 wireless and DHCP

g.stevens g.stevens at mail.physics.org
Thu Mar 16 19:39:45 GMT 2006


Hi all,

I've got quite an annoying problem with the DHCP client (I think). I boot up and the wirless card is detected correctly. (I had everything running perfectly on FreeBSD 5.4 flawlessly and then stupidly upgraded). Anyway, the network stays up for anywhere between 1 min and 20 mins, and then ping gives a "no route to host" message. ifconfig wi0 gives:

wi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80::201:3ff:fe79:8a49%wi0 prefixlen 64 scopeid 0x1 
        inet 10.0.0.14 netmask 0xff000000 broadcast 255.255.255.255
        ether 00:01:03:79:8a:49
        media: IEEE 802.11 Wireless Ethernet autoselect (DS/11Mbps)
        status: associated
        ssid WLAN channel 11 bssid 00:30:bd:65:9d:af
        stationname "FreeBSD WaveLAN/IEEE node"

and netstat -rn (when down)

Destination        Gateway            Flags    Refs      Use  Netif Expire
127.0.0.1          127.0.0.1          UH          0        0    lo0
Internet6:
Destination        Gateway            Flags      Netif Expire
localhost          localhost          UH          lo0
fe80::%wi0         link#1             UC          wi0
fe80::201:3ff:fe79 00:01:03:79:8a:49  UHL         lo0
fe80::%lo0         fe80::1%lo0        U           lo0
fe80::1%lo0        link#3             UHL         lo0
ff01:1::           link#1             UC          wi0
ff01:3::           localhost          UC          lo0
ff02::%wi0         link#1             UC          wi0
ff02::%lo0         localhost          UC          lo0

and netstat -rn (when up)

Internet:
Destination        Gateway            Flags    Refs      Use  Netif Expire
default            10.0.0.2           UGS         0        0    wi0
10                 link#1             UC          0        0    wi0
10.0.0.2           00:09:f3:01:01:3f  UHLW        2        1    wi0
localhost          localhost          UH          0        0    lo0

Internet6:
Destination        Gateway            Flags      Netif Expire
localhost          localhost          UH          lo0
fe80::%wi0         link#1             UC          wi0
fe80::201:3ff:fe79 00:01:03:79:8a:49  UHL         lo0
fe80::%lo0         fe80::1%lo0        U           lo0
fe80::1%lo0        link#3             UHL         lo0
ff01:1::           link#1             UC          wi0
ff01:3::           localhost          UC          lo0
ff02::%wi0         link#1             UC          wi0
ff02::%lo0         localhost          UC          lo0

Also I ran dhclient in the forground to see if it died when the link goes down but it did not seem to crash. There was no log message either, to point to the problem. Not really sure where I go from here so any help would be great.

Regards

Greg

--
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Dr. G. C. Stevens
4 Windsor Close
Exeter
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Tel: +44 (0)78 668 14107 
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