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MCP Operations Guide
Troubleshooting
Troubleshoot OpenContrail
Troubleshoot the OpenStack-specific issues
Connectivity-related OpenContrail issues
Connection from the Internet to a VM does not work
Connection from the Internet to a VM does not work
Connection from the Internet to a VM does not work
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This section describes how to troubleshoot connectivity failures from the Internet to a VM.
Verify the OpenStack security groups
Verify the IP address and default gateway on a VM
Verify the IP and DNS traffic
Verify the vhost0 interface on a compute node
Verify the floating IP
updated: 2024-09-16 10:21
Verify SNAT and other services instances
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Connection between VMs does not work
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Preface
Introduction
Provision hardware
SaltStack operations
DriveTrain operations
OpenStack operations
Kubernetes operations
OpenContrail operations
DevOps Portal
StackLight LMA operations
Back up and restore
Scheduled maintenance with a planned power outage
Upgrade and update an MCP cluster
Cloud verification
Troubleshooting
Generate a sosreport
Troubleshoot DriveTrain
Troubleshoot an MCP OpenStack environment
Troubleshoot OpenContrail
Troubleshoot the OpenStack-specific issues
Troubleshoot Cassandra for OpenContrail 4.x
Troubleshoot Cassandra for OpenContrail 3.2
TCP checksum errors on compute nodes
Troubleshoot HAProxy and LBaaS configuration
Neutron network ports for LBaaS are not deleted through Heat
Troubleshoot a VM network outage
Connectivity-related OpenContrail issues
VM does not have link-local (169.254.x.x) address upon boot
Troubleshoot SNAT and LBaaS namespaces
Slow response time from JMX Exporter
FIP is not associated to an LB port through Terraform
Troubleshoot OpenContrail 3.2