Configuration Guide User guide

FastIron Configuration Guide 1123
53-1002494-02
STP feature configuration
• Sync and Rerooted – When the ports on Switch 200 have completed the reroot phase, they
assert their rerooted signals and continue to assert their sync signals as they continue in their
discarding states. They also continue to negotiate their roles and states with their peer ports
(Figure 136).
FIGURE 136 Sync and rerooted
BigIron
Switch 100
Port2
Designated
port
Switch 60
Port4
Designated port
Port2
Root port
Port1
Port1
Designated port
Sync
Rerooted
Discarding
Port4
Root port
Sync
Rerooted
Discarding
Port3
Sync
Rerooted
Discarding
Port2
Sync
Rerooted
Discarding
Switch 200
Proposing
Port2
Port3
Switch 300
Switch 400
Indicates an 802.1W signal controlled by the current Root port