Dell PowerConnect B-RX BigIron RX Series Configuration Guide v02.7.02 - Page 434

13 State machines • Synced and Agree - When all the ports on the bridge assert their synced signals, the new Root port asserts its own synced signal and sends an RST BPDU to Port4/Switch 60 that contains an agreed flag (Figure 50). The Root port also moves into a forwarding state. FIGURE 51 Rerooted,synced, and agreed Switch 100 Port1 Port 2 Root port Port2 Designated port Proposing Switch 200 Port2 Rerooted Synced Discarding Port1 Rerooted Synced Discarding BigIron Port3 Rerooted Synced Discarding Port4 Root port Rerooted Synced Forwarding RST BPDU sent with an Agreed flag Switch 60 Port4 Designated port Forwarding Switch 300 Port2 Port3 Switch 400 Indicates a signal The old Root port on Switch 200 becomes an Alternate Port (Figure 52). Other ports on that bridge are elected to appropriate roles. 362 BigIron RX Series Configuration Guide 53-1001810-01