23.05.2012 23:12, Eugene Berdnikov пишет: > По логам: тяжёлый случай. Первой рекомендацией будет поставить ядро 3.2.0 > из дистрибутива. Слишком много странностей, нужно сократить круг поиска. Поставил. Надо в initrd для него модули добавлять. Позже займусь. > Второй будет поставить в машину дополнительную сетевушку и попробовать её. > > Наконец, предлагаю ещё раз получить нерабочее состояние системы и > запустить немного изменённый скрипт. > > ip addr list > ip route list > ip link set dev eth0 promisc off > ip route flush cache > ip nei flush dev eth0 > ip -s nei list > ip -s -t mon all > ipmon.log & > tcpdump -nUlep -i eth0 -w dump.pcap arp or icmp & > sleep 1 > ip route get 192.168.1.1 > date +%T.%N > ping -n -c2 192.168.1.1 > ip -s nei list > sleep 1 > date +%T.%N > ping -n -c2 192.168.1.2 > ip link set dev eth0 promisc on > ip route flush cache > ip nei flush dev eth0 > ip route list > ip -s nei list > ip route get 192.168.1.1 > date +%T.%N > ping -n -c2 192.168.1.1 > ip -s nei list > sleep 1 > ip link set dev eth0 promisc off > killall tcpdump > killall ip > > Пришлите выдачу этого скрипта, а также образовавшиеся файлики > ipmon.log и dump.pcap. 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 brd 127.255.255.255 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether aa:00:04:00:0a:04 brd ff:ff:ff:ff:ff:ff inet 192.168.1.3/24 brd 192.168.1.255 scope global eth0 inet6 fe80::a800:4ff:fe00:a04/64 scope link valid_lft forever preferred_lft forever dnet 1.10/16 scope global eth0 default via 192.168.1.1 dev eth0 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.3 192.168.1.1 dev eth0 ref 482 used 57/29/11 probes 1 FAILED tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes 192.168.1.1 dev eth0 src 192.168.1.3 cache 22:09:01.761817708 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. >From 192.168.1.3 icmp_seq=1 Destination Host Unreachable >From 192.168.1.3 icmp_seq=2 Destination Host Unreachable --- 192.168.1.1 ping statistics --- 2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 1007ms pipe 2 192.168.1.1 dev eth0 ref 484 used 1/33/0 probes 6 FAILED 22:09:05.772485453 PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data. >From 192.168.1.3 icmp_seq=1 Destination Host Unreachable >From 192.168.1.3 icmp_seq=2 Destination Host Unreachable --- 192.168.1.2 ping statistics --- 2 packets transmitted, 0 received, +2 errors, 100% packet loss, time 999ms pipe 2 default via 192.168.1.1 dev eth0 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.3 192.168.1.1 dev eth0 ref 484 used 6/37/4 probes 6 FAILED 192.168.1.2 dev eth0 ref 2 used 2/63/0 probes 6 FAILED 192.168.1.1 dev eth0 src 192.168.1.3 cache 22:09:08.788413224 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. 64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=1.87 ms 64 bytes from 192.168.1.1: icmp_req=2 ttl=64 time=0.929 ms --- 192.168.1.1 ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 0.929/1.402/1.876/0.474 ms 192.168.1.1 dev eth0 lladdr 00:22:b0:be:bf:e3 ref 488 used 0/0/0 probes 4 REACHABLE 192.168.1.2 dev eth0 ref 2 used 3/64/1 probes 6 FAILED 17 packets captured 17 packets received by filter 0 packets dropped by kernel P.S.: Что это за фигня в логе? "22:09:09.826493 IP dana-0 > pppoe-212.104.114.140.armageddon-bg.com: ICMP dana-0 udp port 6881 unreachable, length 134 22:09:10.281225 IP dana-0 > 220.172.12.72: ICMP dana-0 udp port 6881 unreachable, length 137 22:09:10.427993 IP dana-0 > 202.171.254.21: ICMP dana-0 udp port 6881 unreachable, length 171 22:09:10.524994 IP dana-0 > n058152219168.netvigator.com: ICMP dana-0 udp port 6881 unreachable, length 137"
Attachment:
dump.pcap
Description: application/vnd.tcpdump.pcap
Timestamp: Sat May 26 22:09:04 2012 770055 usec [NEIGH]192.168.1.1 dev eth0 ref 485 used 1/33/0 probes 6 FAILED Timestamp: Sat May 26 22:09:08 2012 783409 usec [NEIGH]192.168.1.2 dev eth0 ref 3 used 2/63/0 probes 6 FAILED Timestamp: Sat May 26 22:09:08 2012 784265 usec [LINK]2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP link/ether aa:00:04:00:0a:04 brd ff:ff:ff:ff:ff:ff Timestamp: Sat May 26 22:09:08 2012 790021 usec [NEIGH]192.168.1.1 dev eth0 lladdr 00:22:b0:be:bf:e3 ref 488 used 0/0/0 probes 4 REACHABLE Timestamp: Sat May 26 22:09:10 2012 793814 usec [LINK]2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP link/ether aa:00:04:00:0a:04 brd ff:ff:ff:ff:ff:ff