Windows XP working, but says Not Connect

I am using MikroTik on an x86 2.9.50. I am using an Engeinus 600mw wireless card - Wireless (Atheros AR5213).

The problem is that I have two wireless cards (using Intel 2200BG cards) using the WinXP Zero Config service and when I connect to the network it would wait a while, says “Not Connected” but the Internet connectivity is just fine. After a few minutes it stops working and then I need to reconnect it.

Hopefully the people here can support such an odd thing involving Windows =)

/interface wireless export

# jun/13/2008 02:19:09 by RouterOS 2.9.50
# software id = MDIT-JLT
#
/ interface wireless 
set wlan1 name="wlan1" mtu=1500 mac-address=00:02:6F:4F:86:54 arp=enabled \
    disable-running-check=no radio-name="00026F4F8654" mode=ap-bridge \
    ssid="hacker-residence" area="" frequency-mode=manual-txpower \
    country=no_country_set antenna-gain=0 frequency=2462 band=2.4ghz-b/g \
    scan-list=default rate-set=default \
    supported-rates-b=1Mbps,2Mbps,5.5Mbps,11Mbps \
    supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps \
    basic-rates-b=1Mbps basic-rates-a/g=6Mbps max-station-count=2007 \
    ack-timeout=dynamic tx-power-mode=default noise-floor-threshold=default \
    periodic-calibration=default periodic-calibration-interval=60 \
    burst-time=disabled dfs-mode=none antenna-mode=ant-a wds-mode=disabled \
    wds-default-bridge=none wds-default-cost=100 wds-cost-range=50-150 \
    wds-ignore-ssid=no update-stats-interval=disabled \
    default-authentication=yes default-forwarding=yes default-ap-tx-limit=0 \
    default-client-tx-limit=0 proprietary-extensions=post-2.9.25 hide-ssid=no \
    security-profile=default disconnect-timeout=3s on-fail-retry-time=100ms \
    hw-retries=15 preamble-mode=both compression=no allow-sharedkey=no \
    comment="" disabled=no 
/ interface wireless nstreme 
set wlan1 enable-nstreme=no enable-polling=yes framer-policy=none \
    framer-limit=3200 
/ interface wireless manual-tx-power-table 
set wlan1 manual-tx-powers=1Mbps:17,2Mbps:17,5.5Mbps:17,11Mbps:17,6Mbps:17,9Mbp\
    s:17,12Mbps:17,18Mbps:17,24Mbps:17,36Mbps:17,48Mbps:17,54Mbps:17 
/ interface wireless security-profiles 
set default name="default" mode=none authentication-types="" \
    unicast-ciphers="" group-ciphers="" wpa-pre-shared-key="" \
    wpa2-pre-shared-key="" eap-methods=passthrough tls-mode=no-certificates \
    tls-certificate=none static-algo-0=none static-key-0="" static-algo-1=none \
    static-key-1="" static-algo-2=none static-key-2="" static-algo-3=none \
    static-key-3="" static-transmit-key=key-0 static-sta-private-algo=none \
    static-sta-private-key="" radius-mac-authentication=no group-key-update=5m 
/ interface wireless align 
set frame-size=300 active-mode=yes receive-all=no \
    audio-monitor=00:00:00:00:00:00 filter-mac=00:00:00:00:00:00 ssid-all=no \
    frames-per-second=25 audio-min=-100 audio-max=-20 
/ interface wireless access-list 
add mac-address=00:18:DE:63:B7:AE interface=wlan1 authentication=yes \
    forwarding=yes ap-tx-limit=0 client-tx-limit=0 private-algo=none \
    private-key="" comment="jluthman thinkpad laptop" disabled=no 
add mac-address=00:12:F0:0C:07:29 interface=wlan1 authentication=yes \
    forwarding=yes ap-tx-limit=0 client-tx-limit=0 private-algo=none \
    private-key="" comment="roy's laptop" disabled=no 
add mac-address=00:12:F0:95:49:93 interface=wlan1 authentication=yes \
    forwarding=yes ap-tx-limit=0 client-tx-limit=0 private-algo=none \
    private-key="" comment="inspiron 6000" disabled=no 
/ interface wireless snooper 
set multiple-channels=yes channel-time=200ms receive-errors=no 
/ interface wireless sniffer 
set multiple-channels=no channel-time=200ms only-headers=no receive-errors=no \
    memory-limit=10 file-name="" file-limit=10 streaming-enabled=no \
    streaming-server=0.0.0.0 streaming-max-rate=0

It is an error in Windows…
Not a RouterOS problem!

While I would initially say that myself I’m not certain at this point…

Initially it was a Linksys WRT54g (or whatever comparable) and everything was just fine. Now after putting in the RouterOS box two laptops are having this issue, while 2 are not.

The changing of APs is what brought the issue up and I moved from a Linksys to RouterOS - this is what brought up the issue.

I guess I was expecting some simple wireless config change to make the two laptops not have such an issue.

I have soled alot of Linksys and Dlink routers, and have seen this problems now and then and does also…
On OSX, GNU/Linux there was no problem but on Windows XP SP2 this problems comes on about 1/6 setup’s…

It seems that several laptops are losing connectivity with the AP. The worst signal strength is -75.

Anyone seen this before?