13
State machines
FIGURE 45
•
362
Synced stage
Switch 300
Agreed – The Root port sends back an RST BPDU containing an agreed flag to its peer
Designated port and moves into the forwarding state. When the peer Designated port receives
the RST BPDU, it rapidly transitions into a forwarding state.
Port1
Designated port
Port1
Root port
Synced
BigIron
Port2
Synced
Discarding
Port2
Indicates a signal
Switch 100
Root Bridge
Switch 200
Port3
Synced
Discarding
Port3
Switch 400
BigIron RX Series Configuration Guide
53-1001986-01