Brocade FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide - Manual (Page 263)

CLI display of detailed STP information for ports TABLE 47
Field Description
Active Spanning
Tree protocol The VLAN that contains the listed ports and the active Spanning Tree protocol.
The STP type can be one of the following:
• MULTIPLE SPANNNG TREE (MSTP)
• GLOBAL SINGLE SPANNING TREE (SSTP)
NOTE
If STP is disabled on a VLAN, the command displays the following message instead:
"Spanning-tree of port-vlan vlan-id is disabled."
Bridge identifier The STP identity of this device.
Active global timers The global STP timers that are currently active, and their current values. The following timers
can be listed:
• Hello - The interval between Hello packets. This timer applies only to the root bridge.
• Topology Change (TC) - The amount of time during which the topology change flag in
Hello packets will be marked, indicating a topology change. This timer applies only to the
root bridge.
• Topology Change Notification (TCN) - The interval between Topology Change Notification
packets sent by a non-root bridge toward the root bridge. This timer applies only to non-
root bridges.
Spanning Tree Protocol
FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide 263
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