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Old 7th June 2008
AndreyS AndreyS is offline
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Default pfsense wireless AP - lost packets


I'm trying to setup wireless AP using pfSense (which is based on FreeBSD 6.2). I have Win2000 laptop, which connects to my existing Linksys AP without any problems. But when I try to connect to FreeBSD it cannot get IP address.

When I run tcpdump on FreeBSD side and wireshark on W2K I see that association is established, then W2K sends DHCP Discover packet, which reaches FreeBSD. FreeBSD answers with DHCP Offer but I never see it on W2K side.

I realize this is not exactly FreeBSD question, but provided the same W2K machine can connect to another AP I suspect some misconfiguration on FreeBSD side. But I don't understand what to look for.

I asked this question on pfSense forum but didn't get any answer. Also I tried to disable firewall but it didn't help. Anyway if I understand this correctly I wouldn't see this packet in tcpdump if it was blocked by a firewall.

I use PCChips motherboard (Via C3 based) and Edimax EW-7128g wireless card in hostap mode. W2K machine has D-Link DWL-650 Wireless Cardbus Adapter, 802.11b.

ral0: <Ralink Technology RT2500> mem 0xf3ffc000-0xf3ffdfff irq 11 at device 9.0 on pci0
ral0: MAC/BBP RT2560 (rev 0x04), RF RT2525
# ifconfig -v ral0
        inet6 fe80::20e:2eff:fe57:b754%ral0 prefixlen 64 scopeid 0x2
        inet netmask 0xffffff00 broadcast
        ether xx:xx:xx:xx:xx:xx
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: associated
        ssid Xxxxxx channel 2 (2417) bssid xx:xx:xx:xx:xx:xx
        authmode WPA1+WPA2/802.11i privacy MIXED deftxkey 3
        TKIP 2:128-bit
        TKIP 3:128-bit powersavemode OFF powersavesleep 100 txpowmax 100
        txpower 99 rtsthreshold 2346 mcastrate 1 fragthreshold 2346 bmiss 7
        -pureg protmode RTSCTS -wme -burst ssid SHOW -apbridge dtimperiod 1
        bintval 100 -countermeasures
What could be the problem?

Thank you!

Last edited by AndreyS; 7th June 2008 at 06:30 PM.
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