来一个难度高的,大家都来挑战一下

peerper

ifconfig -a
lo0: flags=1000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4> mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
ce2: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 2
        inet 10.0.0.242 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp0
ce2:1: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 2
        inet 10.0.0.245 netmask ffffff00 broadcast 10.0.0.255
ce3: flags=9040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4,NOFAILOVER> mtu 1500 index 3
        inet 10.0.0.246 netmask ffffff00 broadcast 10.0.0.255
        groupname ipmp0
ce3:1: flags=1040843<UP,BROADCAST,RUNNING,MULTICAST,DEPRECATED,IPv4> mtu 1500 index 3
        inet 10.0.0.252 netmask ffffff00 broadcast 10.0.0.255
ce1: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 4
        inet 172.16.1.2 netmask ffffff80 broadcast 172.16.1.127
ce0: flags=1008843<UP,BROADCAST,RUNNING,MULTICAST,PRIVATE,IPv4> mtu 1500 index 5
        inet 172.16.0.130 netmask ffffff80 broadcast 172.16.0.255
clprivnet0: flags=1009843<UP,BROADCAST,RUNNING,MULTICAST,MULTI_BCAST,PRIVATE,IPv4> mtu 1500 index 6
        inet 172.16.193.2 netmask ffffff00 broadcast 172.16.193.255

公司的机器做了IPMP,可以实现IP的浮动,如果一个IP地址出现问题,则另外一个起容于作用,但是事故还是没有办法避免,公司的网络出了一次问题,对核心系统造成了一定的影响

在系统的/VAR/ADM/MESSAGES中发现
Jul  4 13:58:14 PROD in.mpathd[866]: [ID 620804 daemon.error] Successfully failed back to NIC ce2
Jul  4 13:58:14 PROD in.mpathd[866]: [ID 299542 daemon.error] NIC repair detected on ce2 of group ipmp0
Jul  4 13:58:14 PROD in.mpathd[866]: [ID 237757 daemon.error] At least 1 interface (ce2) of group ipmp0 has repaired
Jul  4 13:58:14 PROD Cluster.PNM: [ID 890413 daemon.notice] ipmp0: state transition from DOWN to OK.
Jul  4 13:58:15 PROD in.mpathd[866]: [ID 620804 daemon.error] Successfully failed back to NIC ce3
Jul  4 13:58:15 PROD in.mpathd[866]: [ID 299542 daemon.error] NIC repair detected on ce3 of group ipmp0
Jul  4 13:58:35 PROD in.mpathd[866]: [ID 168056 daemon.error] All Interfaces in group ipmp0 have failed
Jul  4 13:58:35 PROD Cluster.PNM: [ID 890413 daemon.notice] ipmp0: state transition from OK to DOWN.
Jul  4 13:58:36 PROD in.mpathd[866]: [ID 168056 daemon.error] All Interfaces in group ipmp0 have failed


大家说说这个上什么原因?

FreeWare

你家网关down了，或者不稳定。

public_sd

同意楼上的

peerper

原帖由 FreeWare 于 2007-7-5 21:08 发表
你家网关down了，或者不稳定。

  这位兄弟,你是怎么断定是网关出的问题

yuhuohu

wo y我也同意，除非一个组内的网卡全部和网关不通才会全download，当然原因可能有：

连接双网卡的交换机断电
网关断电
网线被拔

东方蜘蛛

建议lz先搞清IPMP的工作原理

liuhao75926

这个难度感觉不太高哈！！！！！

ustcboy

呵呵,来晚了,否则也可以回答个高难度的问题,呵呵