User manual

FL SWITCH MM HS
5-6
PHOENIX CONTACT 6874_en_09
Forward Delay
The forward delay value indicates how long the switch is to wait in order for the port state
in STP mode to change from "Discarding" to "Listening" and from "Listening" to "Learning"
(2 x forward delay).
(R)STP Port Table
Figure 5-5 (R)STP Port Table
Oper Edge Port
All ports that do not receive any (R)STP BPDUs (e.g., termination device ports) become
edge ports, i.e. ports that go to the "Forwarding" state immediately after restart.
Protocol
Indicates the redundancy protocol used.
(R)STP State
Indicates the current (R)STP state of the relevant port.
Possible states:
– "Forwarding"
The port is integrated in the active topology and forwards data.
– "Discarding"
This port does not take part in data transmission.
– "Learning"
This port does not take part in data transmission of the active topology, however, MAC
addresses are learned.
– Blocking/Discarding
The port has a link, but has not been set to the "Discarding" state by RSTP.
The "Maximum Age of STP", "Hello Time", and "Forward Delay" parameters are
optimized by default upon delivery. They should not be modified.