This is the Linux command to precompute a secret for a Cisco switch / router
username cisco privilege 15 secret 5 $1$6527$WiNuPN8KMuraxwrpieZhK1
The salt is specified where the dots are
$ openssl passwd -1 -salt pdQG -table foobar
foobar $1$pdQG$0WzLBXV98voWIUEdIiLm11