Cisco SPS208G User Manual

Spanning Tree
MSTP Interface Settings
SPS208G/SPS224G4/SPS2024 Service Provider Switches User Guide 205
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The MSTP Interface Parameters area contains the following fields:
• Instance ID — Lists the MSTP instances configured on the device. Possible
field range is 0-7.
• Interface — Define the port or LAG of this MSTP configuration. The
possible field values are:
- Unit No. — Indicates the stacking member on which this MSTP
configuration is defined.
- Port — Indicates the port on which this MSTP configuration is defined.
- LAG — Indicates the LAG on which this MSTP configuration is defined.
• STP Port Status — Enables or disables STP on the interface. The possible
field values are:
- Enable — Indicates that STP is enabled on the interface.
- Disable — Indicates that STP is disabled on the interface.
• Port State — Indicates the MSTP status on the specific port. The possible
field values are:
- Disabled — Indicates that STP is currently disabled on the port or if the
port is not active. The port forwards traffic while learning MAC
addresses.
- Blocking — Indicates that the port is currently blocked and cannot
forward traffic or learn MAC addresses.
- Listening — Indicates that the port is in Listening mode. The port cannot
forward traffic nor can it learn MAC addresses.
- Learning — Indicates that the port is in Learning mode. The port cannot
forward traffic, however it can learn new MAC addresses.
- Forwarding — Indicates that the port is in Forwarding mode. The port
can forward traffic and learn new MAC addresses.
• Typ e — Indicates if the port is a point-to-point port, or a port connected to a
hub. The possible field values are:
- Boundary Port — Indicates the port is a boundary port. A Boundary port
attaches MST bridges to LAN in an outlying region. If the port is a
boundary port, it also indicates whether the device on the other side of
the link is working in RSTP or STP mode

Cisco SPS208G Specifications

General

Brand	Cisco
Model	SPS208G
Category	Switch
Language	English