Brocade BigIron RX Series Configuration Guide - Manual (Page 445)

BigIron RX Series Configuration Guide 367
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State machines
13
FIGURE 44 Sync stage
• 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 45 ).
BigIron
Switch 100
Root Bridge
Port1
Designated port
Port1
Root port
Sync
Switch 200
Switch 300 Switch 400
Port2
Sync
Discarding Port3
Sync
Discarding
Port2 Port3
Indicates a signal