Configuring Spanning Tree Protocol (STP) and IronSpan Features
December 2005 © Foundry Networks, Inc. 7 - 31
• 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 7.11).
Figure 7.11 Sync and Rerooted
Switch 200
Switch 400
Switch 300
Port1
Port1
Designated port
Sync
Rerooted
Discarding
Port2
Sync
Rerooted
Discarding
Port2
Port3
Port3
Sync
Rerooted
Discarding
Switch 60
Port4
Designated port
Port2
Designated
port
Port2
Root port
Port4
Root port
Sync
Rerooted
Discarding
BigIron
Indicates an 802.1W signal controlled by the current Root port
Proposing
Switch 100
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