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终端电脑，本地连接中不停的出现连接和断开，网络不通的解决方法
机房几台的终端电脑，本地连接中不停的出现连接和断开，网络不通，网页打不开，QQ登录不上去。
登录连接该终端的H3C交换机，不停的报如下警告：
- %Apr 26 12:02:24:436 2000 SWITCH-AAA IFNET/4/LINK UPDOWN:
- GigabitEthernet1/0/37: link status is UP
- %Apr 26 12:02:27:843 2000 SWITCH-AAA IFNET/4/LINK UPDOWN:
- GigabitEthernet1/0/37: link status is DOWN
- ---- More ----
- #Apr 26 12:13:02:984 2000 SWITCH-AAA IFNET/4/INTERFACE UPDOWN:
- Trap 1.3.6.1.6.3.1.1.5.4<linkUp>: Interface 9437186 is Up, ifAdminStatus is 1, ifOperStatus is 1
- Trap 1.3.6.1.6.3.1.1.5.4<linkUp>: Interface 9437186 is Up, ifAdminStatus is 1, ifOperStatus is 1
- #Apr 26 12:13:14:813 2000 SWITCH-AAA IFNET/4/INTERFACE UPDOWN:
- Trap 1.3.6.1.6.3.1.1.5.3<linkDown>: Interface 9437218 is Down, ifAdminStatus is 1, ifOperStatus is 2
- Trap 1.3.6.1.6.3.1.1.5.3<linkDown>: Interface 9437218 is Down, ifAdminStatus is 1, ifOperStatus is 2
终于找到了解决办法：
interface GigabitEthernet1/0/9
speed 100
终端网络恢复正常。