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Catalyst 6500 Series Switch Command Reference—Release8.1
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Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands
show spantree blockedports
show spantree blockedports
To display only the blocked ports on a per-VLAN or per-instance basis, use the show spantree
blockedports command.
show spantree blockedports [vlans]
show spantree blockedports mistp-instance [instance]
show spantree blockedports mst [instance]
Syntax Description
Defaults The default is all blocked ports in all VLANs are displayed.
Command Types Switch command.
Command Modes Normal.
Usage Guidelines If you do not specify a VLAN number, all blocked ports in the system are displayed.
Examples This example shows how to display the blocked ports for VLAN 1002:
Console> show spantree blockedports 1002
Number of blocked ports (segments) in VLAN 1002 : 0
Console>
This example shows how to display the blocked ports for an MISTP instance:
Console> show spantree blockedports mistp-instance 1
Number of blocked ports (segments) in Instance 1 : 0
Console>
This example shows how to display the blocked ports for an MST instance :
Console> show spantree blockedports mst 0
Number of blocked ports (segments) in Instance 0: 0
Console>
Related Commands show spantree
vlans (Optional) Number of the VLANs.
mistp-instance
instance Keyword and optional variable to display instance-specific
information; valid values are from 1 to 16.
mst instance Keyword and optional variable to display instance-specific
information; valid values are from 0 to 15.