HP ProCurve 9304M Installation And Configuration Manual page 253

Routing Switch 2 then starts the TCN timer on the Designated ports and sends RST BPDUs that contain the TCN
as follows (Figure 8.21):
• Port5/Routing Switch 2 sends the TCN to Port2/Routing Switch 5
• Port4/Routing Switch 2 sends the TCN to Port4/Routing Switch 6
• Port2/Routing Switch 2 sends the TCN to Port2/Routing Switch 1
Figure 8.21 Sending TCN to Bridges Connected to Routing Switch 2
Routing Switch 1
Bridge priority = 1000
Port3
Port2
Port3
Routing Switch 3
Bridge priority = 300
Configuring Spanning Tree Protocol (STP) and Advanced STP Features
Routing Switch 2
Bridge priority = 200
Port7
Port2
Port2
Port3
Port3
Port4 Port4
Routing Switch 4
Bridge priority = 400
Indicates the active Layer 2 path
Indicates direction of TCN
Port8
Bridge priority = 60
Port5
Port2
Port4
Port4
Port5 Port5
Bridge priority = 900
Routing Switch 5
Port3
Port3
Routing Switch 6
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