CCNA Discovery 2, Chapter 5
5.4.3: If you are unable to ping hosts on your switch, you can use the following show commands in privileged EXEC mode on a switch to view the configuration:
show running-config show startup-config show interface vlan 1
After you have configured an IP address and the vty password, you can test connectivity and remote access on a switch with ping, telnet, and ssh. In addition, you can check the Cisco IOS software version on a switch with the show version command.
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