Troubleshooting network and port connectivity on VMware vSphere ESXi (Part 1)


In this article We are talking about very very important command for Troubleshooting Network and Ports Connectivity in VMware vSphere Esxi

Ping/vmkping :-This the first command in our article and all of us know this command in physical and virtual network . this command use for check connectivity for the destination Host but in our article we will connect to Esxi Host via ssh and try to ping the destination Host ip and ping command = VMKPING command in ESXI

# ping destination-ip
# vmkping destination-ip
# vmkping
PING ( 56 data bytes
64 bytes from icmp_seq=0 ttl=64 time=0.978 ms
64 bytes from icmp_seq=1 ttl=64 time=1.009 ms
Telnet /nc -z :

The telnet command is not available in any versions of ESXi and, therefore, you must use netcat (nc) to confirm connectivity to a TCP port on a remote host. The syntax of the nc command is:

# nc -z <destination-ip> <destination-port>

When testing connectivity to TCP port 80, you will see an output :

# nc -z 80
Connection to 80 port [tcp/http] succeeded!

To be Continued >>>>>>>>>>

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