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ONFIGURING
THE
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WITCH
3-168
CLI – This example enables Spanning Tree Protocol, sets the mode to
MST, and then configures the STA and MSTP parameters.
Displaying Interface Settings
The STA Port Information and STA Trunk Information pages display the
current status of ports and trunks in the Spanning Tree.
Field Attributes
• Port – Ports 1 - 8.
• Spanning Tree – Shows if STA has been enabled on this interface.
• STA Status – Displays current state of this port within the Spanning
Tree:
- Discarding - Port receives STA configuration messages, but does
not forward packets.
- Learning - Port has transmitted configuration messages for an
interval set by the Forward Delay parameter without receiving
contradictory information. Port address table is cleared, and the
port begins learning addresses.
- Forwarding - Port forwards packets, and continues learning
addresses.
The rules defining port status are:
- A port on a network segment with no other STA compliant
bridging device is always forwarding.
Console(config)#spanning-tree 4-205
Console(config)#spanning-tree mode mstp 4-206
Console(config)#spanning-tree priority 4096 4-210
Console(config)#spanning-tree hello-time 5 4-209
Console(config)#spanning-tree max-age 38 4-209
Console(config)#spanning-tree forward-time 20 4-208
Console(config)#spanning-tree pathcost method long 4-211
Console(config)#spanning-tree transmission-limit 4 4-212
Console(config)#spanning-tree mst-configuration 4-212
Console(config-mstp)#revision 1 4-216
Console(config-mstp)#name R&D 4-215
Console(config-mstp)#max-hops 30 4-216
Console(config-mstp)#