[Comm] Wifi - потеря пакетов

[Бакушкин Михаил]

Шигапов Ринат пишет:
> В качестве временного решения сбавил скорость подключения:
> [root на localhost wlan0]# cat /etc/net/ifaces/wlan0/iwconfig
> rate 11M
>
> Пакеты при небольшой нагрузке не теряются, но периодически возникает 
> большая задержка:
> [srk на localhost ~]$ ping 172.16.16.14
> PING 172.16.16.14 (172.16.16.14) 56(84) bytes of data.
> 64 bytes from 172.16.16.14: icmp_seq=1 ttl=255 time=10.0 ms
> 64 bytes from 172.16.16.14: icmp_seq=2 ttl=255 time=1.96 ms
> 64 bytes from 172.16.16.14: icmp_seq=3 ttl=255 time=1.95 ms
> 64 bytes from 172.16.16.14: icmp_seq=4 ttl=255 time=1.86 ms
> 64 bytes from 172.16.16.14: icmp_seq=5 ttl=255 time=3.90 ms
> 64 bytes from 172.16.16.14: icmp_seq=6 ttl=255 time=2856 ms
> 64 bytes from 172.16.16.14: icmp_seq=7 ttl=255 time=1860 ms
> 64 bytes from 172.16.16.14: icmp_seq=8 ttl=255 time=862 ms
> 64 bytes from 172.16.16.14: icmp_seq=9 ttl=255 time=1.94 ms
> 64 bytes from 172.16.16.14: icmp_seq=10 ttl=255 time=1.80 ms
> 64 bytes from 172.16.16.14: icmp_seq=11 ttl=255 time=1.79 ms
> 64 bytes from 172.16.16.14: icmp_seq=12 ttl=255 time=1.97 ms
> 64 bytes from 172.16.16.14: icmp_seq=13 ttl=255 time=2.09 ms
> 64 bytes from 172.16.16.14: icmp_seq=14 ttl=255 time=2.73 ms
> 64 bytes from 172.16.16.14: icmp_seq=15 ttl=255 time=28.9 ms
> 64 bytes from 172.16.16.14: icmp_seq=16 ttl=255 time=693 ms
> 64 bytes from 172.16.16.14: icmp_seq=17 ttl=255 time=1904 ms
> 64 bytes from 172.16.16.14: icmp_seq=18 ttl=255 time=902 ms
> 64 bytes from 172.16.16.14: icmp_seq=19 ttl=255 time=3.57 ms
> 64 bytes from 172.16.16.14: icmp_seq=20 ttl=255 time=1.80 ms
> 64 bytes from 172.16.16.14: icmp_seq=21 ttl=255 time=1.83 ms
> 64 bytes from 172.16.16.14: icmp_seq=22 ttl=255 time=2.87 ms
> 64 bytes from 172.16.16.14: icmp_seq=23 ttl=255 time=1.84 ms
> 64 bytes from 172.16.16.14: icmp_seq=24 ttl=255 time=2.56 ms
> 64 bytes from 172.16.16.14: icmp_seq=25 ttl=255 time=579 ms
> 64 bytes from 172.16.16.14: icmp_seq=26 ttl=255 time=2963 ms
> 64 bytes from 172.16.16.14: icmp_seq=27 ttl=255 time=1966 ms
> 64 bytes from 172.16.16.14: icmp_seq=28 ttl=255 time=967 ms
> 64 bytes from 172.16.16.14: icmp_seq=29 ttl=255 time=1.83 ms
> 64 bytes from 172.16.16.14: icmp_seq=30 ttl=255 time=1.96 ms
> 64 bytes from 172.16.16.14: icmp_seq=31 ttl=255 time=7.56 ms
> 64 bytes from 172.16.16.14: icmp_seq=32 ttl=255 time=2.17 ms
> 64 bytes from 172.16.16.14: icmp_seq=33 ttl=255 time=2.05 ms
> 64 bytes from 172.16.16.14: icmp_seq=34 ttl=255 time=2.09 ms
> 64 bytes from 172.16.16.14: icmp_seq=35 ttl=255 time=4017 ms
> 64 bytes from 172.16.16.14: icmp_seq=36 ttl=255 time=3023 ms
> 64 bytes from 172.16.16.14: icmp_seq=37 ttl=255 time=2025 ms
> 64 bytes from 172.16.16.14: icmp_seq=38 ttl=255 time=1029 ms
> 64 bytes from 172.16.16.14: icmp_seq=39 ttl=255 time=36.0 ms
> 64 bytes from 172.16.16.14: icmp_seq=40 ttl=255 time=1.93 ms
> 64 bytes from 172.16.16.14: icmp_seq=41 ttl=255 time=1.85 ms
> ^C
> --- 172.16.16.14 ping statistics ---
> 41 packets transmitted, 41 received, 0% packet loss, time 40139ms
> rtt min/avg/max/mdev = 1.795/628.921/4017.823/1052.753 ms, pipe 5
>
> Очень неприятно при работе по ssh.
>
Такая же проблема наблюдалась при соединении по wi fi ноутбука (ALT 4.1) 
и компа (Win XP HE). Решилась переустановкой драйверов wi fi карты винды 
на более ранние, подчеркиваю ранние :) Могу предположить что-то с дровами...