几台机器内外网不通，管理卡登录，ifconfig查看数据包有有很多droped：
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eth1 Link encap:Ethernet HWaddr 08:9E:00:00:00:00 inet addr:14.0.0.2 Bcast:14.0.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:122487852 errors:0 dropped:11825871 overruns:0 frame:0 TX packets:57810069 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:163984556819 (152.7 GiB) TX bytes:7077145803 (6.5 GiB) Interrupt:16 Memory:f7d00000-f7d20000 |
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[root@localhost ~]# ip add 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 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 08:9e:01:dc:4b:ce brd ff:ff:ff:ff:ff:ff inet 58.63.235.42/25 brd 58.63.235.127 scope global eth0 inet6 fe80::a9e:1ff:fedc:4bce/64 scope link valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 08:9e:01:dc:4b:cf brd ff:ff:ff:ff:ff:ff inet 10.71.3.42/24 brd 10.71.3.255 scope global eth1 inet6 fe80::a9e:1ff:fedc:4bcf/64 scope link valid_lft forever preferred_lft forever 4: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 08:9e:01:dc:4b:d0 brd ff:ff:ff:ff:ff:ff 5: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 08:9e:01:dc:4b:d1 brd ff:ff:ff:ff:ff:ff [root@localhost ~]# lspci |grep Eth 02:00.0 Ethernet controller: Intel Corporation Device 1557 (rev 01) 04:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 05:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 06:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection 07:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection [root@localhost ~]# ethtool -i eth1 driver: e1000e version: 2.5.4-NAPI firmware-version: 2.1-3 bus-info: 0000:05:00.0 [root@localhost ~]# ethtool eth1 Settings for eth1: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Supports auto-negotiation: Yes Advertised link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Advertised pause frame use: No Advertised auto-negotiation: Yes Speed: 1000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 1 Transceiver: internal Auto-negotiation: on MDI-X: on Supports Wake-on: pumbg Wake-on: g Current message level: 0x00000007 (7) Link detected: yes |
http://bbs.chinaunix.net/thread-1990685-1-1.html
http://blog.csdn.net/naguang/article/details/8583095
http://yhj1065.blog.163.com/blog/static/1980021720076258544744/
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