[Ubuntu-PT 6253] Re: Placa wireless RTL8187B no Jaunty

[Pedro Abranches]

Aqui estão alguns dos problemas que acontecem:


pedro  pedro-laptop:~$ iwconfig wlan0
wlan0     IEEE 802.11bg  ESSID:"SMC"
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:13:F7:53:B3:B7
          Bit Rate=1 Mb/s   Tx-Power=20 dBm
          Retry min limit:7   RTS thr:off   Fragment thr=2352 B
          Power Management:off
          Link Quality=69/70  Signal level=-41 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

pedro  pedro-laptop:~$ ping -c5 google.pt
PING google.pt (72.14.221.104) 56(84) bytes of data.
64 bytes from google.pt (72.14.221.104): icmp_seq=4 ttl=241 time=156 ms

--- google.pt ping statistics ---
5 packets transmitted, 1 received, 80% packet loss, time 4022ms
rtt min/avg/max/mdev = 156.066/156.066/156.066/0.000 ms

pedro  pedro-laptop:~$ ping -c5 google.pt
PING google.pt (72.14.221.104) 56(84) bytes of data.
64 bytes from google.pt (72.14.221.104): icmp_seq=1 ttl=241 time=148 ms
64 bytes from fg-in-f104.google.com (72.14.221.104): icmp_seq=2
ttl=241 time=143 ms
64 bytes from google.pt (72.14.221.104): icmp_seq=5 ttl=241 time=145 ms

--- google.pt ping statistics ---
5 packets transmitted, 3 received, 40% packet loss, time 8180ms
rtt min/avg/max/mdev = 143.156/145.647/148.604/2.291 ms

pedro  pedro-laptop:~$ ping -c5 google.pt
PING google.pt (72.14.221.104) 56(84) bytes of data.
64 bytes from fg-in-f104.google.com (72.14.221.104): icmp_seq=2
ttl=241 time=154 ms
64 bytes from fg-in-f104.google.com (72.14.221.104): icmp_seq=3
ttl=241 time=145 ms
64 bytes from fg-in-f104.google.com (72.14.221.104): icmp_seq=4
ttl=241 time=151 ms
64 bytes from google.pt (72.14.221.104): icmp_seq=5 ttl=241 time=151 ms

--- google.pt ping statistics ---
5 packets transmitted, 4 received, 20% packet loss, time 16573ms
rtt min/avg/max/mdev = 145.234/150.416/154.060/3.225 ms


O sinal é praticamente máximo, mas existem muitos pacotes a serem perdidos..