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Table 223.
Spanning Tree Configuration Options (continued)
Command Syntax and Usage
show spanningtree
Displays Spanning Tree information, including the status (on or off), Spanning
Tree mode (RSTP, PVRST or MSTP) and VLAN membership.
In addition to seeing if STG is enabled or disabled, you can view the following
STG bridge information:
Priority
Hello interval
Maximum age value
Forwarding delay
Aging time
You can also see the following port‐specific STG information:
Port alias and priority
Cost
State
Command mode: All
show spanningtree root
Displays the Spanning Tree configuration on the root bridge for each STP
instance. For details, see page
Command mode: All
show spanningtree blockedports
Lists the ports blocked by each STP instance.
Command mode: All
show spanningtree [vlan <VLAN ID (1‐4094)>] bridge
Displays Spanning Tree bridge information. For details, see page
Command mode: All
77.
Chapter 4: Configuration Commands
76.
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