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Thread: no access to network

  1. #1

    Default no access to network

    Hello,

    I got my WLAN adapter to run and a connection to the router. The router shows the PC that it is connected and
    /sbin/ifconfig shows:

    wlan0 Link encap:Ethernet Hardware Adresse XXXXXXXXXXXXXX
    inet Adresse:192.168.220.104 Bcast:192.168.220.255 Maske:255.255.255.0
    inet6 Adresse: fe80::222:b0ff:fedf:1ce3/64 Gültigkeitsbereich:Verbindung
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:65 errors:0 dropped:0 overruns:0 frame:0
    TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 Sendewarteschlangenlänge:1000
    RX bytes:4290 (4.1 Kb) TX bytes:14398 (14.0 Kb)

    That means I got an IP address from the router. But I cannot access the network. Even a ping fails:

    ping -c 5 192.168.220.1
    PING 192.168.220.1 (192.168.220.1) 56(84) bytes of data.
    From 192.168.220.100: icmp_seq=2 Destination Host Unreachable
    From 192.168.220.100 icmp_seq=2 Destination Host Unreachable
    From 192.168.220.100 icmp_seq=3 Destination Host Unreachable
    From 192.168.220.100 icmp_seq=4 Destination Host Unreachable
    From 192.168.220.100 icmp_seq=5 Destination Host Unreachable

    --- 192.168.220.1 ping statistics ---
    5 packets transmitted, 0 received, +5 errors, 100% packet loss, time 4033ms
    , pipe 3

    Does anybody knows what the problem could be?

    Thanks
    Albert

  2. #2
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,236

    Default Re: no access to network

    AlbertMaier wrote:
    > Hello,
    >
    > I got my WLAN adapter to run and a connection to the router. The router
    > shows the PC that it is connected and
    > /sbin/ifconfig shows:
    >
    > wlan0 Link encap:Ethernet Hardware Adresse XXXXXXXXXXXXXX
    > inet Adresse:192.168.220.104 Bcast:192.168.220.255
    > Maske:255.255.255.0
    > inet6 Adresse: fe80::222:b0ff:fedf:1ce3/64
    > Gültigkeitsbereich:Verbindung
    > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    > RX packets:65 errors:0 dropped:0 overruns:0 frame:0
    > TX packets:51 errors:0 dropped:0 overruns:0 carrier:0
    > collisions:0 Sendewarteschlangenlänge:1000
    > RX bytes:4290 (4.1 Kb) TX bytes:14398 (14.0 Kb)
    >
    > That means I got an IP address from the router. But I cannot access the
    > network. Even a ping fails:
    >
    > ping -c 5 192.168.220.1
    > PING 192.168.220.1 (192.168.220.1) 56(84) bytes of data.
    > From 192.168.220.100: icmp_seq=2 Destination Host Unreachable
    > From 192.168.220.100 icmp_seq=2 Destination Host Unreachable
    > From 192.168.220.100 icmp_seq=3 Destination Host Unreachable
    > From 192.168.220.100 icmp_seq=4 Destination Host Unreachable
    > From 192.168.220.100 icmp_seq=5 Destination Host Unreachable
    >
    > --- 192.168.220.1 ping statistics ---
    > 5 packets transmitted, 0 received, +5 errors, 100% packet loss, time
    > 4033ms
    > , pipe 3
    >
    >
    > Does anybody knows what the problem could be?


    What does 'sudo /usr/sbin/iwconfig' show?

    Are you using DHCP or static IP addresses?

  3. #3

    Default Re: no access to network

    Hello,

    I'm using DHCP.

    /usr/sbin/iwconfig shows:
    lo no wireless extensions.

    eth0 no wireless extensions.

    wmaster0 no wireless extensions.

    wlan0 IEEE 802.11bg ESSID:"XXXXXX"
    Mode:Managed Frequency:2.412 GHz Access Point: 00:C0:A8:E7:B92
    Bit Rate=54 Mb/s Tx-Power=11 dBm
    Retry min limit:7 RTS thrff Fragment thr=2352 B
    Encryption key XXXXXXXXXXXXXXXXXXXXXXXX [2] Security modepen
    Power Managementff
    Link Quality=68/100 Signal level:-68 dBm
    Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
    Tx excessive retries:0 Invalid misc:0 Missed beacon:0

    I also deactivated the firewall, so this shouldn't be the problem.

    Albert
    Last edited by deltaflyer44; 17-Aug-2009 at 00:14. Reason: edited encryption key for security reasons

  4. #4
    Join Date
    Jan 2008
    Location
    U.K East Anglia
    Posts
    2,581

    Default Re: no access to network

    Edited out your encryption key,as it's not a good idea to post it on the forum,for security reasons

    Andy
    To be is to do = Immanuel Kant
    To do is to be = Descartes.
    Do be do be do = Frank Sinatra

    SuSE user since 7.0,Linux user since 1994

  5. #5
    2448 NNTP User

    Default Re: no access to network

    Try this in console as root:

    ifconfig wlan0 down
    wlanconfig wlan0 destroy
    wlanconfig wlan0 create wlandev wmmaster0 wlanmode sta

    After this you 'should' be able to connect to a wireless ap

  6. #6

    Default Re: no access to network

    Is wlanconfig available from SUSE? I am having the same problem as above, and have been looking for a solution. Never posted the question as I never had the time to pull all the files together from the sticky. But basically, I am connecting to a WAP. I get the DHCP IP, and the DNS entries from the router, but cannot access (ping, &c) anything outside my box. These commands are not found in my SLED 11.

  7. #7
    2448 NNTP User

    Default Re: no access to network

    You're problably not in the shell as root
    Type su and password and try wlanconfig again!

  8. #8

    Default Re: no access to network

    No, I was root. In fact, I even tried to find the command (in order to provide the full path) and could not locate it in any of the bin directories (used the find command as root). I am leaning on re-installing. Interestingly, I had this same problem occur with Ubuntu (9.4) live CD. I got the IP from the WAP, had DNS entries proper to the network, but could not ping the WAP or the router. It almost seemed like a routing issue, but the route table (netsat -rn) looked right to my solaris eyes. I am going to re-install tomorrow and see if that clears it up. If not, I will post a new thread following the sticky documents. But it does seem this is a common issue. Perhaps a driver (RTL8187).

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