Quick Reference Guide

116 PowerConnect B-Series TI24X Configuration Guide
53-1002269-02
Configuring STP related features
6
• Synced – Once the Designated port changes into a discarding state, it asserts a synced signal.
Immediately, Alternate ports and Backup ports are synced. The Root port monitors the synced
signals from all the bridge ports. Once all bridge ports asserts a synced signal, the Root port
asserts its own synced signal (Figure 7).
FIGURE 7 Synced stage
BigIron
Switch 100
Root Bridge
Switch 200
Switch 300
Switch 400
Port1
Designated port
Port1
Root port
Synced
Port2
Port3
Indicates a signal
Port2
Synced
Discarding
Port3
Synced
Discarding