99
o
Backup - Provides a backup path to the designated port path toward the
spanning tree leaves. This provides a configuration in which two ports are
connected in a loop by a point-to-point link. Backup ports are also used
when a LAN has two or more established connections to a shared segment.
o
Disabled - The port is not participating in spanning tree.
•
Port Status - Displays the RSTP status on the specific port.
o
Disabled - STP is currently disabled on the port.
o
Blocking - The port is currently blocked, and it cannot forward traffic or
learn MAC addresses.
o
Listening - The port is in Listening Mode. The port cannot forward traffic,
and cannot learn MAC addresses.
o
Learning - The port is in Learning Mode. The port cannot forward traffic,
however it can learn new MAC addresses.
o
Forwarding - The port is in Forwarding Mode. The port can forward traffic
and learn new MAC addresses.
6.
Click Apply. The Running Configuration file is updated.
MSTP Properties
Multiple Spanning Tree Protocol (MSTP) is used to separate the STP port state between various
domains (on different VLANs). For example, while port A is blocked in one STP instance due to a
loop on VLAN A, the same port can be placed in the Forwarding State in another STP instance.
The MSTP Properties page enables you to define the global MSTP settings.
Each MSTP instance calculates and builds a loop free topology to bridge packets from the VLANs
that map to the instance. Refer to the MSTP Properties page.
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