Hub/Switch Reference Guide

412 STP Commands
NN47250-100 (Version 02.51)
Port Vlan STP-State Cost Prio Portfast
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1 1 Forwarding 19 128 Disabled
2 1 STP Off 19 128 Disabled
3 1 Disabled 19 128 Disabled
4 1 Disabled 19 128 Disabled
5 1 Disabled 19 128 Disabled
6 1 Disabled 19 128 Disabled
7 1 Disabled 19 128 Disabled
8 1 Disabled 19 128 Disabled
Table 59 describes the fields in this display.
Table 2: Output for show spantree
Field Description
VLAN VLAN number.
Spanning Tree Mode In the current software version, the mode is always PVST+,
which means Per VLAN Spanning Tree+.
Spanning Tree Type In the current software version, the type is always IEEE, which
means STP is based on the IEEE 802 standards.
Spanning Tree Enabled State of STP on the VLAN.
Designated Root MAC address of the spanning tree’s root bridge.
Designated Root Priority Bridge priority of the root bridge.
Designated Root Path Cost Cumulative cost from this bridge to the root bridge. If this WSS
is the root bridge, then the root cost is 0.
Designated Root Port Port through which this WSS reaches the root bridge.
If this WSS is the root bridge, this field says We are the root.
Root Max Age Maximum acceptable age for hello packets on the root bridge.
Root Hello Time Hello interval on the root bridge.
Root Forward Delay Forwarding delay value on the root bridge.
Bridge ID MAC ADDR This WSS’s MAC address.
Bridge ID Priority This WSS’s bridge priority.
Bridge Max Age This WSS’s maximum acceptable age for hello packets.
Bridge Hello Time This WSS’s hello interval.
Bridge Forward Delay This WSS’s forwarding delay value.
Port Port number.
Note: Only network ports are listed. STP does not apply to AP
ports or wired authentication ports.
Vlan VLAN ID.