VMware Goodies
CDP
Configuring
First verify how CDP is configured:
# esxcfg-vswitch -b vSwitch1
If you want to enable sending of CDP:
# esxcfg-vswitch -B vSwitch1
View CDP information CLI
# vim-cmd hostsvc/net/query_networkhint
Change hostname
Networking -> TCP/IP Stacks -> Default TCP/IP Stack -> Edit Settings