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
next prev 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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