Cisco Catalyst 2960 Command Reference Manual page 415
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Also See for Catalyst 2960:
- Configuration manual (2288 pages) ,
- Software configuration manual (980 pages) ,
- Command reference manual (800 pages)
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Chapter 2 Catalyst 2960 Switch Cisco IOS Commands
IST master *this switch
Operational hello time 2, forward delay 15, max age 20, max hops 20
Configured
Interface
--------------------
GigabitEthernet0/1
GigabitEthernet0/2
Port-channel1
Related Commands
Command
clear spanning-tree counters
clear spanning-tree detected-protocols
spanning-tree backbonefast
spanning-tree bpdufilter
spanning-tree bpduguard
spanning-tree cost
spanning-tree extend system-id
spanning-tree guard
spanning-tree link-type
spanning-tree loopguard default
spanning-tree mst configuration
spanning-tree mst cost
spanning-tree mst forward-time
spanning-tree mst hello-time
spanning-tree mst max-age
spanning-tree mst max-hops
spanning-tree mst port-priority
spanning-tree mst priority
spanning-tree mst root
spanning-tree port-priority
spanning-tree portfast (global
configuration)
78-16882-01
hello time 2, forward delay 15, max age 20, max hops 20
role state cost
---- ----- --------- ---- --------------------------------
root FWD
200000
desg FWD
200000
desg FWD
200000
prio type
128
P2P bound(STP)
128
P2P bound(STP)
128
P2P bound(STP)
Description
Clears the spanning-tree counters.
Restarts the protocol migration process.
Enables the BackboneFast feature.
Prevents an interface from sending or receiving bridge
protocol data units (BPDUs).
Puts an interface in the error-disabled state when it
receives a BPDU.
Sets the path cost for spanning-tree calculations.
Enables the extended system ID feature.
Enables the root guard or the loop guard feature for all the
VLANs associated with the selected interface.
Overrides the default link-type setting for rapid
spanning-tree transitions to the forwarding state.
Prevents alternate or root ports from becoming the
designated port because of a failure that leads to a
unidirectional link.
Enters multiple spanning-tree (MST) configuration mode
through which the MST region configuration occurs.
Sets the path cost for MST calculations.
Sets the forward-delay time for all MST instances.
Sets the interval between hello BPDUs sent by root switch
configuration messages.
Sets the interval between messages that the spanning tree
receives from the root switch.
Sets the number of hops in an MST region before the
BPDU is discarded and the information held for an
interface is aged.
Configures an interface priority.
Configures the switch priority for the specified
spanning-tree instance.
Configures the MST root switch priority and timers based
on the network diameter.
Configures an interface priority.
Globally enables the BPDU filtering or the BPDU guard
feature on Port Fast-enabled interfaces or enables the Port
Fast feature on all nontrunking interfaces.
Catalyst 2960 Switch Command Reference
show spanning-tree
2-387
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