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在一个或多个 MetroCluster IP 节点上,无法通过 CDP 看到 BES 交换机

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适用场景

  • MetroCluster IP
  • Broadcom BES 53248
  • 运行状况监控( HM )

问题描述

  • 在使用BES-53248交换机的MetroCluster IP配置中、即使与交换机的所有连接均已联机并 cluster peer ping 报告所有对等方均可访问、也可能会出现以下HM警报:

Cluster-A::*> system health alert show
        Node: Node-A2
      Resource: Node-A2
      Severity: Major
   Indication Time: Mon May 10 17:59:20 2021
      Suppress: false
     Acknowledge: false
   Probable Cause: One or more nodes are not connected to both cluster switches.
   Possible Effect: If one cluster switch fails, "Node-A2" might lose
           access to the cluster.
 Corrective Actions: Verify that the switch "Node-A1" is connected
           to the node "Node-A2". 

  • 节点无法获取有关连接到 BES 交换机 53248 的集群端口的 CDP/ISDP 信息:

  • 命令 system health alert 显示错误
Cluster2::> system health alert show -fields probable-cause-description
node       monitor         alert-id            alerting-resource probable-cause-description
---------- --------------- ------------------------------ ----------------- -------------------------------
Cluster2A  ethernet-switch ClusterSwitchConnectivity_Alert
Cluster2B                   One or more nodes are not connected to both cluster switches.
  • 设备仅可从节点 A 中查看,节点 B 未列出:
Cluster2::> network device-discovery show -node * -protocol cdp -fields port,platform
node    protocol port discovered-device interface platform
--------  -------- ---- ----------------- --------- ---------
Cluster2A cdp      e0a  Switch01DC2     0/9       BES-53248
Cluster2A cdp      e0b  Switch02DC2     0/9       BES-53248

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