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Issue/Introduction

This article describes how to troubleshoot a load balancer VIP that is unreachable through ICMP. It applies to the initial diagnosis and resolution of similar issues in ZStack Cloud.

Environment

  • Product: ZCF
  • Component: Cloud
  • Version: 3.x-5.5.30

Symptoms

The load balancer VIP does not respond to Ping.

Possible causes

The default security rules of the VPC vRouter reject Ping.

Resolution

  • In Global Settings, change Default Packet Filtering Behavior of Router to accept.
Note:

Changing this global configuration might affect router packet filtering behavior. Before making the change, confirm the impact scope and record the original value for rollback if necessary.

Reconnect the vRouter for the change to take effect.

Load balancer VIP is unreachable through ICMP | 故障排查 · KB | ZStack Resource Center