Brocade TurboIron 24X Series Configuration Guide - Manual (Page 597)

Brocade TurboIron 24X Series Configuration Guide 563
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Configuring STP related features
FIGURE 87 802.1W Draft 3 RSTP ready for failover
If the root port on a Switch becomes unavailable, 802.1W Draft 3 immediately fails over to the
alternate port, as shown in
Figure 88 .
Switch 1 Switch 2
Switch 4
Switch 3
Root Bridge
Bridge priority = 2
Bridge priority = 4
Root port = 2
Alternate = 3, 4
Bridge priority = 8
Root port = 4
Alternate = 3 Bridge priority = 6
Root port = 3
Alternate = 4
Port 2
FWD
Port 4
FWD
Port 3
FWD
Port 3
FWD
Port 4
BLK
Port 4
FWD
Port 3
BLK
Port 3
FWD
Port 4
FWD
Port 2
FWD
The arrow shows the path
to the root bridge