'STP Instance Information', 'stp_ports' => 'STP Ports', 'vlan' => 'VLAN', 'root_bridge' => 'Root bridge', 'bridge_address' => 'Bridge address (MAC)', 'protocol' => 'Protocol specification', 'priority' => 'Priority', 'last_topology_change' => 'Time since topology change', 'topology_changes' => 'Topology changes', 'designated_root' => 'Designated root (MAC)', 'root_cost' => 'Root cost', 'root_port' => 'Root port', 'max_age' => 'Max age (s)', 'hello_time' => 'Hello time (s)', 'hold_time' => 'Hold time (s)', 'forward_delay' => 'Forward delay (s)', 'bridge_max_age' => 'Bridge max age (s)', 'bridge_hello_time' => 'Bridge hello time (s)', 'bridge_forward_delay' => 'Bridge forward delay (s)', ];