Brocade BigIron RX Series Configuration Guide - Manual (Page 452)

374 BigIron RX Series Configuration Guide
53-1002484-04
State machines
13
FIGURE 51 Rerooted,synced, and agreed
The old Root port on Switch 200 becomes an Alternate Port ( Figure 52 ). Other ports on that bridge
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.
BigIron
Switch 100
Port2
Designated
port
Switch 60
Port4
Designated port
Forwarding
Port 2
Root port
Port1
Proposing
Port1
Rerooted
Synced
Discarding
Port4
Root port
Rerooted
Synced
Forwarding
Port3
Rerooted
Synced
Discarding
Port2
Rerooted
Synced
Discarding
Port2 Port3
Switch 300
Indicates a signal
Switch 200
Switch 400
RST BPDU
sent with
an Agreed
flag