Siemens SCALANCE W1780 Configuration Manual page 101

● Bridge Address / Root Address
The bridge address shows the MAC address of the device and the root address shows the
MAC address of the root bridge.
● Root Cost
The path costs from this device to the root bridge.
● Bridge Status
Shows the status of the bridge, e.g. whether or not the device is the root bridge.
● Regional root priority (available only with MSTP)
For a description, see Bridge priority / Root priority
● Regional root address (available only with MSTP)
Shows the MAC address of the regional root bridge.
● Regional Root Cost (available only with MSTP)
Shows the path costs from this device to the regional root bridge.
The table contains the following boxes:
● Port
Shows the port via which the device communicates.
● Role
Shows the status of the port. The following values are possible:
– Disabled
– Designated
– Alternate
– Backup
– Root
– Master
SCALANCE W1780/W1740 according to IEEE 802.11ac Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C485-03
The port was removed manually from the spanning tree and will no longer be taken into
account by the spanning tree.
The ports leading away from the root bridge.
The port with an alternative route to a network segment
If a switch has several ports to the same network segment, the "poorer" Port becomes
the backup port.
The port that provides the best route to the root bridge.
This port points to a root bridge located outside the MST region.
Configuring with Web Based Management
6.4 "Information" menu
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