Configuration Guide User guide

368 BigIron RX Series Configuration Guide
53-1002484-04
State machines
13
FIGURE 45 Synced stage
• 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.
BigIron
Switch 100
Root Bridge
Switch 200
Switch 300
Switch 400
Port1
Designated port
Port1
Root port
Synced
Port2
Port3
Indicates a signal
Port2
Synced
Discarding
Port3
Synced
Discarding