wifi spojenie, nestabilne

Kazdu minutu mi spadne siet, pritom signal mam silny. Pouzivam Network manager a pohybujem sa medzi statusom: "Network disconnected" a "Connection established" Je to zufale, a ani neviem kde zacat? Kazda ina siel bola doteraz v poriadku a vedla co mam pracovny notebook s Windows chyta signal no problem.

root@probook-PC:/home/probook/Downloads# ifconfig
eth0      Link encap:Ethernet  HWaddr 18:a9:05:cb:ee:56  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:17 

eth1      Link encap:Ethernet  HWaddr 90:4c:e5:62:b3:12  
          inet addr:192.168.0.107  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::924c:e5ff:fe62:b312/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:17312 errors:0 dropped:0 overruns:0 frame:174199
          TX packets:16833 errors:459 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:16906522 (16.9 MB)  TX bytes:2918949 (2.9 MB)
          Interrupt:17 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:3100 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3100 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:268844 (268.8 KB)  TX bytes:268844 (268.8 KB)

root@probook-PC:/home/probook/Downloads# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

eth1      IEEE 802.11bg  ESSID:"dlink"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:22:B0:AC:F3:8A   
          Bit Rate=48 Mb/s   Tx-Power:24 dBm   
          Retry min limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=4/5  Signal level=-58 dBm  Noise level=-91 dBm
          Rx invalid nwid:0  Rx invalid crypt:14  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

root@probook-PC:/home/probook/Downloads# netstat -r
Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
192.168.0.0     *               255.255.255.0   U         0 0          0 eth1
link-local      *               255.255.0.0     U         0 0          0 eth1
default         192.168.0.1     0.0.0.0         UG        0 0          0 eth1

root@probook-PC:/etc# ping 192.168.0.1
connect: Network is unreachable
root@probook-PC:/etc# ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_req=1 ttl=64 time=1.62 ms
64 bytes from 192.168.0.1: icmp_req=2 ttl=64 time=1.78 ms
64 bytes from 192.168.0.1: icmp_req=3 ttl=64 time=1.97 ms
64 bytes from 192.168.0.1: icmp_req=4 ttl=64 time=2.01 ms
64 bytes from 192.168.0.1: icmp_req=5 ttl=64 time=1.79

Dotaz: wifi spojenie, nestabilne - pada siet

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