Whilst logged into a cisco router you can SSH to another box using the command :
ssh -l Username IP
So if you wanted to SSH to a ESXi server you would need to use the root username
ssh -l root IP
Whilst logged into a cisco router you can SSH to another box using the command :
ssh -l Username IP
So if you wanted to SSH to a ESXi server you would need to use the root username
ssh -l root IP