sho port-security int fa0/6
show interface status
show ip interface
To verify if a serial interface is operating as a Data Terminal Equipment (DTE) or Data Communication Equipment (DCE), you can use the command show controllers in Cisco IOS. This command displays detailed information about the serial interface, including whether it is configured as a DTE or DCE. The output will typically indicate the role of the device, and a DCE interface will often show the clock rate configuration.
Use the command line utilities to test connectivity, then send a test file across the network
plague
To maintain and verify routing information use the show version command.
If the ping command isn't working through the Run dialog, first ensure that you are entering the command correctly, such as ping [IP address or hostname]. Check your network connection to confirm that you are connected to the internet. Additionally, verify that your firewall settings or security software are not blocking the command. If issues persist, try running the command in Command Prompt instead for more detailed error messages.
ping
The VERIFY command cannot be used for an empty VSAM file where the high used RBA (Relative Byte Address) in its catalog record is 0 (zero).
ping 127.0.0.1
PING
winipcfg