运行状况监控器报告交换机已关闭：SwitchIfIslDownWarn_Alert

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适用场景

Cisco 3132Q-V集群网络交换机

问题描述

交换机-02 (集群交换机)不工作。所有流量都在Switch-01上提供

运行状况监控器警报通过AutoSupport 发出

Mar 17, 2022 08:29:08 CET HA Group Notification (Health Monitor process cshm: SwitchIfIslDownWarn_Alert[Switch-02 (xxxx)/Ethernet1/31]) ALERT

在 EMS-LOG-FILE AutoSupport 的部分中：

Tue Mar 15 16:25:13 CET [Node-05: cshmd: hm.alert.raised:alert]: Alert Id = SwitchIfIslDownWarn_Alert , Alerting Resource = Switch-02(xxxx)/port-channel1 raised by monitor cluster-switch

交换机日志(# show tech-support)：

2022 Mar 15 16:21:07 Switch-02 %DIAG_PORT_LB-2-REWRITE_ENGINE_LOOPBACK_TEST_FAIL: Module:1 Test:RewriteEngine Loopback failed 10 consecutive times. Faulty module: Error:Loopback test failed. Packets lost on the SUP in the receive direction

2022 Mar 15 16:21:07 Switch-02 %DIAGCLIENT-2-EEM_ACTION_HM_SHUTDOWN: Test <RewriteEngineLoopback> has been disabled as a part of default EEM action

2022 Mar 15 16:21:07 Switch-02 %MODULE-4-MOD_WARNING: Module 1 (Serial number: xxxxx) reported warning due to Loopback test failed. Packets lost on the SUP in the receive direction in device DEV_SUPERVISOR_CTRL (device error 0x41830059)

2022 Mar 15 16:21:07 Switch-02 %VSHD-5-VSHD_SYSLOG_CONFIG_I: Configured from vty by admin on vsh.bin.4635

交换机命令 # show module：

Switch-02# show module Mod Ports Module-Type Model Status ---- ----------------- ----------------- --------------------- --------- 1 32 32x40G Supervisor N3K-C3132Q-V active *

Mod Sw Hw Slot --- ---------------- ------ ---- 1 7.0(3)I6(1) 1.0 NA

Mod MAC-Address(es) Serial-Num --- -------------------------------------- ---------- 1 d4-xx-xx-xx-xx-xx to d4-xx-xx-xx-xx-xx xxxx

Mod Online Diag Status --- ------------------ 1 Fail