4.4.14
Redundancy
4.4.14.1
Overview
MSTP-CIST configuration
The page consists of the following parts.
● The left-hand side of the page shows the configuration of the device.
● The right-hand part shows the configuration of the root bridge that can be derived from the
spanning tree frames received by a device.
Description of the displayed values
The page contains the following boxes:
● Bridge Priority / Root Priority
The Bridge Priority decides which device becomes the Root Bridge. The Bridge with the
highest priority becomes the Root Bridge. The lower the value, the higher the priority. If
several devices in a network have the same priority, the device whose MAC address has the
lowest numeric value will become the root bridge. Both parameters, bridge priority and MAC
address together form the Bridge identifier. Since the root bridge manages all path
changes, it should be located as centrally as possible due to the delay of the frames. The
value for the bridge priority is a whole multiple of 4096 with a range of values from 0 through
61440.
● 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.
Configuring with Web Based Management
4.4 "Information" menu
SCALANCE S615 Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C388-08
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Содержание SIMATIC NET SCALANCE S615
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