Other Disable blocked will remain blocked, but no additional nodes will be blocked) Enable ClearAll connection filters, and should only be used as a diagnostic tool.) BlockMac must be previously set in the MAC leaf.) UnblockMac must be previously set in the MAC leaf.) SetMacUnblockable so that it cannot be blocked. (The node's MAC must be previously set in the MAC leaf.) If the relevant node is blocked at the time the SetMacUnblockable command is issued, the node will automatically be 'unblocked' first. SetMacBlockable it can be blocked. (The node's MAC must be previously set in the MAC leaf.) SetPortUnblockable that any nodes on that port cannot be blocked. (The port number must be previously set in the Port leaf.) SetPortBlockable all nodes on that port can be blocked. (The port number must be previously set in the Port leaf.) SetReapUserCnx mark a port as 'blockable' so that.)