Chapter 4 Command-Line Reference 4-105
4.3.11 Spanning Tree Commands

This section includes commands that configure the Spanning TreeAlgorithm (STA)

for the overall switch, and commands that configure STA for the selected interface.

4.3.11.1 spanning-tree

Use this command to enable the spanning tree algorithm globally for this switch.

Use the no form to disable it.

TABLE4-16 Spanning Tree Commands
Command Function Mode Page
spanning-tree Enables the spanning tree protocol GC 4-105
spanning-tree mode Configures STP or RSTP mode GC 4-106
spanning-tree
forward-time
Configures the spanning tree bridge forward time GC 4-107
spanning-tree
hello-time
Configures the spanning tree bridge hello time GC 4-108
spanning-tree max-
age
Configures the spanning tree bridge maximum age GC 4-109
spanning-tree
priority
Configures the spanning tree bridge priority GC 4-110
spanning-tree path-
cost method
Configures the path cost method for RSTP GC 4- 111
spanning-tree
transmission-limit
Configures the transmission limit for RSTP GC 4-112
spanning-tree cost Configures the spanning tree path cost of an interface IC 4-112
spanning-tree port-
priority
Configures the spanning tree priority of an interface IC 4-114
spanning-tree edge-
port
Enables fast forwarding for edge ports IC 4-115
spanning-tree
protocol-migration
Re-checks the appropriate BPDU format PE 4-116
spanning-tree link-
type
Configures the link type for RSTP IC 4-117
show spanning-tree Shows the spanning tree configuration PE 4-118