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From: Dmitry Lebkov <dima@sakhalin.ru>
To: community@altlinux.ru
Subject: Re: [Comm] Маршрутизация
Date: Mon, 26 May 2003 23:56:16 +1100
Message-ID: <20030526235616.6c6baf10.dima@sakhalin.ru> (raw)
In-Reply-To: <3ECDF447.6090006@rmts.donpac.ru>

On Fri, 23 May 2003 14:13:27 +0400
Прокопьев Евгений <john@rmts.donpac.ru> wrote:

[skip]

> > На простой машине:
> > ifconfig -a
> > iptables -L -n
> > ping -n 192.168.10.5
> > ping -n 192.168.101.3
> 
> [root@dbms root]# ifconfig -a
> eth0   Link encap:Ethernet  HWaddr 00:01:80:09:48:CD
>        inet addr:192.168.10.6  Bcast:192.168.10.255 
>        Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500
>             Metric:1
>        RX packets:10761 errors:0 dropped:0 overruns:0 frame:0
>        TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>        collisions:0 txqueuelen:100
>        RX bytes:1660657 (1.5 Mb)  TX bytes:0 (0.0 b)
>        Interrupt:10 Base address:0xc400

Я что-то сразу не обратил внимания - а почему TX packets = 0? Как-то
же пакеты уходят, если есть RX и машина получает ответы на ping? 

> 
> lo        Link encap:Local Loopback
>            inet addr:127.0.0.1  Mask:255.0.0.0
>            UP LOOPBACK RUNNING  MTU:16436  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:0
>            RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> 
> [root@dbms root]# iptables -L -n
> bash: iptables: command not found
> [root@dbms root]# ping -n 192.168.10.5
> PING 192.168.10.5 (192.168.10.5) 56(84) bytes of data.
> 64 bytes from 192.168.10.5: icmp_seq=1 ttl=64 time=1.30 ms
> 64 bytes from 192.168.10.5: icmp_seq=2 ttl=64 time=0.338 ms
> 64 bytes from 192.168.10.5: icmp_seq=3 ttl=64 time=0.357 ms
> 64 bytes from 192.168.10.5: icmp_seq=4 ttl=64 time=0.341 ms
> 64 bytes from 192.168.10.5: icmp_seq=5 ttl=64 time=0.364 ms
> 
> --- 192.168.10.5 ping statistics ---
> 5 packets transmitted, 5 received, 0% packet loss, time 4002ms
> rtt min/avg/max/mdev = 0.338/0.541/1.307/0.383 ms
> [root@dbms root]# ping 192.168.101.3
> PING 192.168.101.3 (192.168.101.3) 56(84) bytes of data.
> 
> --- 192.168.101.3 ping statistics ---
> 5 packets transmitted, 0 received, 100% packet loss, time 3999ms
> 

Тогда на сервере и на клиенте: 'tcpdump -i eth0 -n 'host 192.168.10.6',
а на клиенте еще и: 'ping -n -c 5 192.168.101.3'.

И результат tcpdump - сюда.

--
WBR, Dmitry Lebkov


  parent reply	other threads:[~2003-05-26 12:56 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-23  7:45 Прокопьев Евгений
2003-05-23  8:45 ` Maxim.Savrilov
2003-05-23  9:31   ` Прокопьев Евгений
2003-05-23 10:00     ` Andriy Dobrovol's'kii
2003-05-23 10:03       ` Прокопьев Евгений
2003-05-23 10:36         ` Mike Lykov
2003-05-23 10:55         ` Andriy Dobrovol's'kii
2003-05-23 11:14           ` Прокопьев Евгений
2003-05-23 12:09             ` Andriy Dobrovol's'kii
2003-05-23  9:28 ` Dmitry Lebkov
2003-05-23 10:13   ` Прокопьев Евгений
2003-05-23 12:07     ` Dmitry Lebkov
2003-05-26 12:56     ` Dmitry Lebkov [this message]
2003-05-27  4:36       ` Прокопьев Евгений
2003-05-27  5:00         ` Dmitry Lebkov
2003-05-27  5:44           ` Прокопьев Евгений
2003-05-27  5:54             ` Dmitry Lebkov
2003-05-27  6:32               ` Прокопьев Евгений

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