本帖最后由 xy411381121 于 2018-9-12 15:04 编辑 为什么交换机的端口在短时间内会反复up/down啊?而且今天这段时间是这几个端口,换个时间段又换成其他端口这样反复up/down,然后短则过几天,长则半个月一个月后,又轮到这个端口反复up/down。
我们这里,基本所有路由器交换机都存在这个现象,N7K直连终端的端口、N2K端口、光交换机4506、接入交换机C3560/C3750、路由器ASR1006上是时隙端口。
以N2K上的一个端口为例:
物理连接情况是:n7k——配线架1——配线架2——N2K——配线架3——配线架4——服务器/PC
网线均为6类成品网线,服务器/PC均关闭了睡眠模式。
2018 Jul 17 05:16:54 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Jul 17 05:16:54 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Jul 17 05:16:54 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Jul 17 05:16:54 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Jul 17 05:16:54 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Jul 17 05:18:25 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Jul 17 22:36:08 PS_N7K_01 %EIGRP-5-NBRCHANGE_DUAL: eigrp-600 [4519] (default-base) IP-EIGRP(0) 600: Neighbor 172.26.9.131 (Vlan90) is down: Interface Goodbye received
2018 Jul 17 22:36:12 PS_N7K_01 %EIGRP-5-NBRCHANGE_DUAL: eigrp-600 [4519] (default-base) IP-EIGRP(0) 600: Neighbor 172.26.9.131 (Vlan90) is up: new adjacency
2018 Jul 24 03:42:32 PS_N7K_01 %AUTHPRIV-3-SYSTEM_MSG: pam_aaa:Authentication failed for user admin from 172.26.11.135 - login
2018 Jul 24 05:13:32 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Jul 24 05:13:32 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Jul 24 05:13:32 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Jul 24 05:13:32 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Jul 24 05:13:32 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Jul 24 05:19:20 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Jul 31 04:54:47 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Jul 31 04:54:47 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Jul 31 04:54:47 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Jul 31 04:54:47 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Jul 31 04:54:47 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Jul 31 04:55:30 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Jul 31 12:27:36 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Jul 31 12:27:36 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Jul 31 12:27:36 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Jul 31 12:27:36 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Jul 31 12:27:36 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Jul 31 12:30:30 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Aug 21 10:07:59 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Aug 21 10:07:59 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Aug 21 10:07:59 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Aug 21 10:07:59 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Aug 21 10:07:59 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Aug 21 10:12:08 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Aug 28 10:31:50 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Aug 28 10:31:50 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Aug 28 10:31:50 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Aug 28 10:31:50 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Aug 28 10:31:50 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Aug 28 10:33:03 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
2018 Aug 29 09:32:37 PS_N7K_01 %ETHPORT-5-SPEED: Interface Ethernet106/1/35, operational speed changed to 1 Gbps
2018 Aug 29 09:32:37 PS_N7K_01 %ETHPORT-5-IF_DUPLEX: Interface Ethernet106/1/35, operational duplex mode changed to Full
2018 Aug 29 09:32:37 PS_N7K_01 %ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Receive Flow Control state changed to off
2018 Aug 29 09:32:37 PS_N7K_01 %ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet106/1/35, operational Transmit Flow Control state changed to on
2018 Aug 29 09:32:37 PS_N7K_01 %ETHPORT-5-IF_UP: Interface Ethernet106/1/35 is up in mode access
2018 Aug 29 09:36:09 PS_N7K_01 %ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet106/1/35 is down (Link failure)
请问这应该是网线老化、端口氧化、端口硬件故障这些原因造成的吗?怎么确认具体原因啊?