Spanning-Tree - Dell S4810 Reference Manual

Usage The following describes the show spanning-tree 0 guard command shown in
Information
the example.
Field
Interface Name
Instance
Sts
Guard Type
Example
Dell#show spanning-tree 0 guard
(Guard)
Interface
Name
--------- -------- --------- ----------
Gi 0/1 0
Gi 0/2 0
Gi 0/3 0

spanning-tree

Assigns a Layer 2 interface to STP instance 0 and configures a port cost or port priority, or enables loop
guard, root guard, or the Portfast feature on the interface.
S4810
Syntax
spanning-tree stp-id {cost cost | {loopguard | rootguard} |
portfast [bpduguard [shutdown-on-violation]] | priority
priority}
To disable Spanning Tree group on an interface, use the no spanning-tree
stp-id {cost cost | {loopguard | rootguard} | portfast
[bpduguard [shutdown-on-violation]] | priority priority}
command.
Parameters
stp-id
cost cost
Spanning Tree Protocol (STP)
Description
STP interface.
STP 0 instance.
Port state: root-inconsistent (INCON Root), forwarding
(FWD), listening (LIS), blocking (BLK), or shut down (EDS
Shut).
Type of STP guard configured (Root, Loop, or BPDU guard).
Instance Sts
INCON(Root)
LIS
EDS (Shut)
Enter the STP instance ID. The range is 0.
Enter the keyword cost then a number as the cost. The
range is from 1 to 65535. The defaults are:
• 100 Mb/s Ethernet interface = 19.
• 1-Gigabit Ethernet interface = 4.
• 10-Gigabit Ethernet interface = 2.
• Port Channel interface with 100 Mb/s Ethernet = 18.
• Port Channel interface with 1 Gigabit Ethernet = 3.
• Port Channel interface with 10 Gigabit Ethernet = 1.
Guard type
Rootguard
Loopguard
Bpduguard
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