Troubleshooting Esxi – Cli

Troubleshooting network and TCP/UDP port connectivity issues on ESX/ESXi(2020669) Purpose This article provides information on troubleshooting network and TCP/UDP port connectivity issues using these troubleshooting tools: ping/vmkping to troubleshoot network connectivity between two servers. telnet to troubleshoot TCP port connectivity. netcat (nc) to troubleshoot TCP port connectivity. openssl to troubleshoot SSL port connectivity and verify SSL certificate information. tcpdump and tcpdump-uw to collect packet traces to troubleshoot network issues. netstat and esxcli network to view active TCP/UDP connections to the host. Note: The telnet and nc tools help you to…