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？

down 网卡端口周期性的up_down 网卡端口周期性的up_端口每隔一段时间就就会不停up/down，是端口硬件故障了吗？......相关推荐

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