网络工程 - Cisco 2950 交换机 LED 关闭超时 - 吾爱随笔录

一些随机端口 LED 关闭不到一秒https://www.youtube.com/watch?v=eUl4ifveh74 就在那个时候，我在一个或多个关闭的端口中有 2 次超时。为什么这样做？

固件是最新的。端口没问题，并尝试使用其他端口。

show log 注意：改变的状态是手动的，正常的

00:41:31: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/23, changed state to down
00:41:33: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/23, changed state to up
00:41:50: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/23, changed state to down
00:41:52: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/23, changed state to up
00:42:00: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to down
00:42:02: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to up
00:42:05: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to down
00:42:07: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to up
00:42:22: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to down
00:42:24: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/22, changed state to up
1d03h: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/11, changed state to down
1d03h: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/17, changed state to down
1d03h: %LINK-3-UPDOWN: Interface FastEthernet0/11, changed state to down
1d03h: %LINK-3-UPDOWN: Interface FastEthernet0/17, changed state to down
1d03h: %LINK-3-UPDOWN: Interface FastEthernet0/17, changed state to up
1d03h: %LINK-3-UPDOWN: Interface FastEthernet0/11, changed state to up
1d03h: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/17, changed state to up
1d03h: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/11, changed state to up

显示界面

http://paste.ubuntu.com/7541959/

还有一件事。Ping 交换机异常。我离 switch 很远，正常的 ping 应该小于 ~10ms 。但是正如您所看到的，ping 值很高

Reply from x.x.x.x: bytes=32 time=8ms TTL=255
Reply from x.x.x.x: bytes=32 time=28ms TTL=255
Reply from x.x.x.x: bytes=32 time=181ms TTL=255
Reply from x.x.x.x: bytes=32 time=14ms TTL=255
Reply from x.x.x.x: bytes=32 time=195ms TTL=255
Reply from x.x.x.x: bytes=32 time=6ms TTL=255
Reply from x.x.x.x: bytes=32 time=215ms TTL=255
Reply from x.x.x.x: bytes=32 time=11ms TTL=255
Reply from x.x.x.x: bytes=32 time=226ms TTL=255
Reply from x.x.x.x: bytes=32 time=10ms TTL=255
Reply from x.x.x.x: bytes=32 time=242ms TTL=255
Reply from x.x.x.x: bytes=32 time=16ms TTL=255
Reply from x.x.x.x: bytes=32 time=255ms TTL=255
Reply from x.x.x.x: bytes=32 time=16ms TTL=255
Reply from x.x.x.x: bytes=32 time=273ms TTL=255
Reply from x.x.x.x: bytes=32 time=19ms TTL=255
Reply from x.x.x.x: bytes=32 time=285ms TTL=255
Reply from x.x.x.x: bytes=32 time=21ms TTL=255
Reply from x.x.x.x: bytes=32 time=298ms TTL=255
Reply from x.x.x.x: bytes=32 time=40ms TTL=255