Dell PowerConnect B-RX Configuration Manual page 448

13
State machines
FIGURE 51
The old Root port on Switch 200 becomes an Alternate Port
are elected to appropriate roles.
The Designated port on Switch 60 goes into a forwarding state once it receives the RST BPDU with
the agreed flag.
372
Rerooted,synced, and agreed
Proposing
Switch 200
Port2
Rerooted
Synced
Discarding
Port2
Switch 300
Indicates a signal
Switch 100
Port 2
Root port
Port1
Port1
Rerooted
Synced
Discarding
BigIron
Port4
Root port
Rerooted
Synced
Port3
Forwarding
Rerooted
Synced
Discarding
Port3
Port2
Designated
port
Port4
Designated port
Forwarding
RST BPDU
sent with
an Agreed
flag
Switch 400
(Figure 52). Other ports on that bridge
BigIron RX Series Configuration Guide
Switch 60
53-1002253-01