Removing a public network removes all the connections to it. This procedure is for the CLI.
For example, to remove the network called LLL.
[OFOS] remove public-network LLL
[OFOS] show public-network name group-name id pkey state type trunkMode mtu oper-mtu mode description uplink allowed-vlans -------------------------------------------------------------------------------------------------------- KKK default 777 7fff up/up subnet true 1500 1500 UD 0.1 none