Command Groups 109
show spanning-tree
summary
Displays spanning tree settings and parameters
for the switch.
PE
spanning tree Enables spanning-tree functionality. GC
spanning-tree auto-portfast Sets the port to auto portfast mode. IC
spanning-tree bpdu
flooding
Allows flooding of BPDUs received on
nonspanning-tree ports to all other non-
spanning-tree ports.
GC
spanning-tree bpdu-
protection
Enables BPDU protection on a switch. GC
spanning-tree cost Configures the spanning tree path cost for a
port.
IC
spanning-tree disable Disables spanning tree on a specific port. IC
spanning-tree forward-time Configures the spanning tree bridge forward
time.
GC
spanning-tree guard Selects whether loop guard or root guard is
enabled on an interface.
IC
spanning-tree loopguard Enables loop guard on all ports. GC
spanning-tree max-age Configures the spanning tree bridge maximum
age.
GC
spanning-tree max-hops Sets the MSTP Max Hops parameter to a new
value for the common and internal spanning
tree.
GC
spanning-tree mode Configures the spanning tree protocol. GC
spanning-tree mst
configuration
Enables configuring an MST region by entering
the multiple spanning-tree (MST) mode.
GC
spanning-tree mst cost Configures the path cost for multiple spanning
tree (MST) calculations.
IC
spanning-tree mst port-
priority
Configures port priority. IC
spanning-tree mst priority Configures the switch priority for the specified
spanning tree instance.
GC
spanning-tree portfast Enables PortFast mode. IC
Command Description Modea
2CSPC4.XCT-SWUM2XX1.book Page 109 Monday, October 3, 2011 11:05 AM