Re: lug-bg: Тъжно ми е с 50% - 60% загуба на пакети.

[Vladimir Smolensky <zaphod@xxxxxxxxxx>]

Alexander P. Panov wrote:

> Това е проблем между мене и интернет доставчика ми. На 18 вечерта 
> някъде от 19:00 до 19 сутринта до към 9:30 имах около 50% - 60% загуба 
> на пакети.
> Машината е Abit BH6, паметта е свалена от сървър и при минаване с 
> memtest не дава грешки. Диска е WesternDigital и досовска програма на 
> фирмата производител не дава никакви отклонения или грешки. Мрежовата 
> карта е RealTek 8029AS - 10Mbit-ова, с програмата на фирмата 
> производител RSET8029.EXE не дава никакви грешки при тестването.
Не разбрах какъв модел ти е фритюрника и готварската печка.

> Операционните системи са:
> Linux 2.6.11 #2 SMP Thu May 26 20:53:11 CEST 2005 i686 GNU/Linux
> и
> Microsoft Windows XP [Version 5.1.2600]
>
> Развитие на проблема във времето:
> Вечерта към 19:00 - 20:00 почва да нямам ама абсолютно никакъв 
> интернет, виждам че пинга е умрял в кожата си и се обаждам на 
> поддръжката на фирмата. След това излизам от офиса и се връщам към 
> 21:30, заварвам същото положение с над 50% загуби на пакетите. Говоря 
> си с тях и тогава правя пинг и от Уиндоуса и от Линукса и от двете има 
> над 50% загуби. Пингвах уеб сървъра на доставчика ми който има IP 
> адрес от мрежата в която съм и аз. За малко да ме убедят че проблема е 
> при мене!!! Правя пинг под Линукс ping -c 100 127.0.0.1 и ми връща 
> резултат 0% загуби. Същия пинг до localhost-a под Уиндоус ми дава 
> абсолютно същия резултат - 0% загуби.
> Майката... Лелята... И оставям компютъра.
>
> На другия ден сутринта в 8:00 същото нещо, над 50% загуби. Заебавам 
> компютъра. В 9:00 - 9:00 всичко се оправи.
> В 14:00 идва представител на фирмата (когато вече всичко е наред) и 
> казва че само аз съм се оплаквал от 10 човека които са в нашия блок. 
> Каза че не разбира от софтуер евентуално можело да бъде от вирус(!?!) 
> и ще ми прати софтуерист от фирмата - аз отказах, стига толкова.
> Прикрепения файл съм логнал част от нещата.
>
> Търся в кой е причината и евентуално каква е.
>
> ------------------------------------------------------------------------
>
> uname -a
> Linux 2.6.11 #2 SMP Thu May 26 20:53:11 CEST 2005 i686 GNU/Linux
>
> date
> Thu Aug 18 21:47:07 EDT 2005
>
> ping -c 10 127.0.0.1
> PING 127.0.0.1 (127.0.0.1): 56 data bytes
> 64 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=6 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=7 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=8 ttl=64 time=0.1 ms
> 64 bytes from 127.0.0.1: icmp_seq=9 ttl=64 time=0.1 ms
>
> --- 127.0.0.1 ping statistics ---
> 10 packets transmitted, 10 packets received, 0% packet loss
> round-trip min/avg/max = 0.1/0.1/0.1 ms
> PING www.sellinet.net (82.199.192.2): 56 data bytes
>
> ping -c 25 www.sellinet.net
> 64 bytes from 82.199.192.2: icmp_seq=0 ttl=62 time=1.7 ms
> 64 bytes from 82.199.192.2: icmp_seq=1 ttl=62 time=4.0 ms
> 64 bytes from 82.199.192.2: icmp_seq=2 ttl=62 time=1.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=3 ttl=62 time=4.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=4 ttl=62 time=4.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=5 ttl=62 time=7.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=6 ttl=62 time=10.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=8 ttl=62 time=4.0 ms
> 64 bytes from 82.199.192.2: icmp_seq=11 ttl=62 time=2.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=12 ttl=62 time=7.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=13 ttl=62 time=6.9 ms
> 64 bytes from 82.199.192.2: icmp_seq=14 ttl=62 time=2.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=17 ttl=62 time=4.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=18 ttl=62 time=3.7 ms
> 64 bytes from 82.199.192.2: icmp_seq=19 ttl=62 time=4.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=20 ttl=62 time=4.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=22 ttl=62 time=5.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=23 ttl=62 time=10.1 ms
>
> --- www.sellinet.net ping statistics ---
> 25 packets transmitted, 18 packets received, 28% packet loss
> round-trip min/avg/max = 1.6/5.0/10.8 ms
>
> ping -c 35 www.sellinet.net
> PING www.sellinet.net (82.199.192.2): 56 data bytes
> 64 bytes from 82.199.192.2: icmp_seq=5 ttl=62 time=8.9 ms
> 64 bytes from 82.199.192.2: icmp_seq=8 ttl=62 time=9.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=10 ttl=62 time=9.2 ms
> 64 bytes from 82.199.192.2: icmp_seq=11 ttl=62 time=5.4 ms
> 64 bytes from 82.199.192.2: icmp_seq=16 ttl=62 time=2.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=17 ttl=62 time=2.2 ms
> 64 bytes from 82.199.192.2: icmp_seq=18 ttl=62 time=2.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=19 ttl=62 time=5.2 ms
> 64 bytes from 82.199.192.2: icmp_seq=22 ttl=62 time=4.3 ms
> 64 bytes from 82.199.192.2: icmp_seq=23 ttl=62 time=4.1 ms
> 64 bytes from 82.199.192.2: icmp_seq=27 ttl=62 time=2.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=28 ttl=62 time=3.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=32 ttl=62 time=6.6 ms
>
> --- www.sellinet.net ping statistics ---
> 35 packets transmitted, 13 packets received, 62% packet loss
> round-trip min/avg/max = 2.1/5.1/9.8 ms
>
> netstat -s
> Ip:
>    30077 total packets received
>    0 forwarded
>    0 incoming packets discarded
>    5655 incoming packets delivered
>    3148 requests sent out
> Icmp:
>    168 ICMP messages received
>    0 input ICMP message failed.
>    ICMP input histogram:
>        echo requests: 59
>        echo replies: 109
>    103 ICMP messages sent
>    0 ICMP messages failed
>    ICMP output histogram:
>        destination unreachable: 44
>        echo replies: 59
> Tcp:
>    224 active connections openings
>    0 passive connection openings
>    0 failed connection attempts
>    2 connection resets received
>    2 connections established
>    1711 segments received
>    2146 segments send out
>    254 segments retransmited
>    0 bad segments received.
>    44 resets sent
> Udp:
>    558 packets received
>    44 packets to unknown port received.
>    0 packet receive errors
>    701 packets sent
> TcpExt:
>    22 TCP sockets finished time wait in fast timer
>    31 delayed acks sent
>    Quick ack mode was activated 120 times
>    96 packets directly queued to recvmsg prequeue.
>    1448 of bytes directly received from backlog
>    52445 of bytes directly received from prequeue
>    338 packet headers predicted
>    34 packets header predicted and directly queued to user
>    381 acknowledgments not containing data received
>    2 predicted acknowledgments
>    32 congestion windows recovered after partial ack
>    0 TCP data loss events
>    26 timeouts after SACK recovery
>    123 other TCP timeouts
>    107 DSACKs sent for old packets
>    1 connections reset due to unexpected data
>    2 connections reset due to early user close
>
> ping -c 35 www.sellinet.net
> PING www.sellinet.net (82.199.192.2): 56 data bytes
> 64 bytes from 82.199.192.2: icmp_seq=0 ttl=62 time=2.2 ms
> 64 bytes from 82.199.192.2: icmp_seq=2 ttl=62 time=4.0 ms
> 64 bytes from 82.199.192.2: icmp_seq=3 ttl=62 time=1.9 ms
> 64 bytes from 82.199.192.2: icmp_seq=9 ttl=62 time=1.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=10 ttl=62 time=1.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=14 ttl=62 time=1.6 ms
> 64 bytes from 82.199.192.2: icmp_seq=15 ttl=62 time=3.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=17 ttl=62 time=2.2 ms
> 64 bytes from 82.199.192.2: icmp_seq=21 ttl=62 time=3.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=23 ttl=62 time=2.7 ms
> 64 bytes from 82.199.192.2: icmp_seq=25 ttl=62 time=17.9 ms
> 64 bytes from 82.199.192.2: icmp_seq=26 ttl=62 time=3.4 ms
> 64 bytes from 82.199.192.2: icmp_seq=32 ttl=62 time=14.9 ms
> 64 bytes from 82.199.192.2: icmp_seq=33 ttl=62 time=3.8 ms
> 64 bytes from 82.199.192.2: icmp_seq=34 ttl=62 time=3.9 ms
>
> --- www.sellinet.net ping statistics ---
> 35 packets transmitted, 15 packets received, 57% packet loss
> round-trip min/avg/max = 1.6/4.6/17.9 ms
>
> =============================================================
> =============================================================
> ver
> Microsoft Windows XP [Version 5.1.2600]
>
> date
> The current date is: 19.08.2005 ¬. 
>
> time
> 9:44
>
> ping -n 35 www.sellinet.net
> Pinging www.sellinet.net [82.199.192.2] with 32 bytes of data:
>
>
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=1ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
> Reply from 82.199.192.2: bytes=32 time=2ms TTL=62
>
>
>
> Ping statistics for 82.199.192.2:
>
>    Packets: Sent = 35, Received = 35, Lost = 0 (0% loss),
>
> Approximate round trip times in milli-seconds:
>
>    Minimum = 1ms, Maximum = 2ms, Average = 1ms
>
>
>
>