Siemens SCALANCE XM-400 Configuration Manual page 221

● Link
Shows the connection status to the network. The available options are as follows:
– up
– down
● Blocked by
Shows why the port is in the "blocked" status:
– -
– Ring Redundancy
– Spanning Tree
– Loop Detection
– Link Check
– Link Aggregation Member
– Link Aggregation (LoopD)
– Link Aggregation (STP)
– Admin down
– Link down
– Power down
– Standby
SCALANCE XM-400/XR-500 Web Based Management (WBM)
Configuration Manual, 05/2017, C79000-G8976-C248-12
The port has a valid link to the network, a link integrity signal is being received.
The link is down, for example because the connected device is turned off.
The port is not blocked.
The port belongs to a redundancy manager. When the redundancy manager is in the
"Passive status, one of the ring ports is in the "blocking" status.
The port has the status "Discarding" in the spanning tree. The port is part of a spanning
tree, however it is located on a redundant path and is deactivated for data traffic.
A loop was detected and as the reaction to a loop, the status "disable" was configured
for the port.
A disruption was detected on an optical transmission link and as the reaction the port
status "disable" was configured.
The port is part of a link aggregation and was deactivated by LACP.
The port is part of a link aggregation. A loop was detected and as the reaction to a loop,
the status "disable" was configured for the link aggregation.
The port is part of a link aggregation. Thelink aggregation was switched to the status
"Discarding" by the spanning tree.
The status "disabled" is configured for the port, see "System > Ports > Configuration".
The status "enabled" is configured for the port but there is no connection, see "System
> Ports > Configuration".
The status "Link down" is configured for the port, see "System > Ports > Configuration".
Standby redundancy is enabled on the device. The port is a standby port with the status
"Passive".
Configuring with Web Based Management
5.4 The "System" menu
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