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s5500-ei日志,端口很多端口error,不停的UP DOWN。但是下面使用的人没有反应上网有问题的。这个怎么解决。
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最佳答案
登录设备看看err是不是crc错误还是啥,如果很多接口同时crc,看看是不是这些接口的网线都经过了统一的跳线架,是不是接触不良了
[H3C]dis interface gi 1/0/13 GigabitEthernet1/0/13 current state: UP IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 3ce5-a66c-6e23 Description: GigabitEthernet1/0/13 Interface Loopback is not set Media type is twisted pair Port hardware type is 1000_BASE_T 1000Mbps-speed mode, full-duplex mode Link speed type is autonegotiation, link duplex type is autonegotiation Flow-control is not enabled The Maximum Frame Length is 9216 Broadcast MAX-ratio: 100% Unicast MAX-ratio: 100% Multicast MAX-ratio: 100% Allow jumbo frame to pass PVID: 1 Mdi type: auto Port link-type: access Tagged VLAN ID : none Untagged VLAN ID : 1 Port priority: 0 Last clearing of counters: Never Peak value of input: 8773709 bytes/sec, at 2021-03-07 21:15:32 Peak value of output: 1467647 bytes/sec, at 2021-03-04 14:01:55 Last 300 seconds input: 14 packets/sec 3711 bytes/sec 0% Last 300 seconds output: 22 packets/sec 13069 bytes/sec 0% Input (total): 24492632 packets, 31887903674 bytes 24479623 unicasts, 6349 broadcasts, 6659 multicasts, 0 pauses Input (normal): 24492631 packets, - bytes 24479623 unicasts, 6349 broadcasts, 6659 multicasts, 0 pauses Input: 1 input errors, 0 runts, 0 giants, 0 throttles 1 CRC, 0 frame, - overruns, 0 aborts - ignored, - parity errors Output (total): 20703943 packets, 7471824367 bytes 17647326 unicasts, 1773888 broadcasts, 1282729 multicasts, 0 pauses Output (normal): 20703943 packets, - bytes 17647326 unicasts, 1773888 broadcasts, 1282729 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier
Input: 1 input errors, 0 runts, 0 giants, 0 throttles 1 CRC,就是CRC。CRC一般都是网线质量问题,可以替换网线观察一下
这是接入交换机吧,下班了关机开机正常呀
今天突然想起一种可能性,S5500-ei是做为普通交换机在使用,网关在软路由上面,DHCP也是在软路由上。DHCP分配时间是24小时,也就是说下面的PC每24小时就要重新分配地址,这样就造成端口UP DOWN 请高手帮我分晰一下,是不是这种可能性。
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[H3C]dis interface gi 1/0/13 GigabitEthernet1/0/13 current state: UP IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 3ce5-a66c-6e23 Description: GigabitEthernet1/0/13 Interface Loopback is not set Media type is twisted pair Port hardware type is 1000_BASE_T 1000Mbps-speed mode, full-duplex mode Link speed type is autonegotiation, link duplex type is autonegotiation Flow-control is not enabled The Maximum Frame Length is 9216 Broadcast MAX-ratio: 100% Unicast MAX-ratio: 100% Multicast MAX-ratio: 100% Allow jumbo frame to pass PVID: 1 Mdi type: auto Port link-type: access Tagged VLAN ID : none Untagged VLAN ID : 1 Port priority: 0 Last clearing of counters: Never Peak value of input: 8773709 bytes/sec, at 2021-03-07 21:15:32 Peak value of output: 1467647 bytes/sec, at 2021-03-04 14:01:55 Last 300 seconds input: 14 packets/sec 3711 bytes/sec 0% Last 300 seconds output: 22 packets/sec 13069 bytes/sec 0% Input (total): 24492632 packets, 31887903674 bytes 24479623 unicasts, 6349 broadcasts, 6659 multicasts, 0 pauses Input (normal): 24492631 packets, - bytes 24479623 unicasts, 6349 broadcasts, 6659 multicasts, 0 pauses Input: 1 input errors, 0 runts, 0 giants, 0 throttles 1 CRC, 0 frame, - overruns, 0 aborts - ignored, - parity errors Output (total): 20703943 packets, 7471824367 bytes 17647326 unicasts, 1773888 broadcasts, 1282729 multicasts, 0 pauses Output (normal): 20703943 packets, - bytes 17647326 unicasts, 1773888 broadcasts, 1282729 multicasts, 0 pauses Output: 0 output errors, - underruns, - buffer failures 0 aborts, 0 deferred, 0 collisions, 0 late collisions 0 lost carrier, - no carrier
Input: 1 input errors, 0 runts, 0 giants, 0 throttles 1 CRC,就是CRC。CRC一般都是网线质量问题,可以替换网线观察一下