Not applicable to SBC SWe Edge.
This section contains information about configuring the SBC 1000/2000 to operate within multiple spanning trees in a network.
Introduction
A network topology of bridges typically contains redundant connections to provide alternate paths in case of link failures. Since there is no concept of time-to-live (TTL) in Ethernet frames, this could result in permanent circulation of frames if there are loops in the network. To prevent loops, a spanning tree connecting all the bridges is formed in real time. The standby/redundant ports are put in a discarding (non-forwarding) state. They are enabled when required.
Working with Multiple Spanning Trees
Default Conditions
On initial startup, the all ports are members of the default MSTP instance, which is disabled by default.
Limitations
A maximum of 32 user defined MSTP instances may be created.
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