Contec DS110-APL User Manual
Spanning Tree Algorithms (STA)
FX-DS110-APL
43
The designated port for each bridge is determined by the
designated bridge.
designated bridge.
Bridge 1 Ports 1, 2
Bridge 2 Port 2
Bridge 3 Port 2
Bridge 5 Port 2
The root port of each bridge is determined by its path cost to
the root bridge.
the root bridge.
Bridge 2 Port 1
Bridge 3 Port 1
Bridge 4 Port 1
Bridge 5 Port 1
Ports that are neither designated ports nor root ports are
backup paths.
backup paths.
Backup path
Bridge 4, port 2
After application of the STA, the network configuration looks like
this.
this.
LAN1
LAN2
LAN3
LAN4
LAN5
Port 1
Bridge 1
Port 2
Bridge 1
Port 2
Port 1
Bridge 5
Port 2
Bridge 5
Port 2
Port 1
Bridge 2
Port 2
Bridge 2
Port 2
Port 1
Bridge 4
Port 2
Bridge 4
Port 2
Port 1
Bridge 3
Port 2
Bridge 3
Port 2
To blocking status
Figure 6.2. After STA Application