Chapter 16
| Spanning Tree Commands
– 391 –
Command Mode
Privileged Exec
Command Usage
◆
Use the
show spanning-tree
command with no parameters to display the
spanning tree configuration for the switch for the Common Spanning Tree
(CST) and for every interface in the tree.
◆
Use the
show spanning-tree
interface
command to display the spanning tree
configuration for an interface within the Common Spanning Tree (CST).
◆
Use the
show spanning-tree mst
command to display the spanning tree
configuration for all instances within the Multiple Spanning Tree (MST),
including global settings and settings for active interfaces.
◆
Use the
show spanning-tree mst
instance-id
command to display the
spanning tree configuration for an instance within the Multiple Spanning Tree
(MST), including global settings and settings for all interfaces.
Example
Console#show spanning-tree
Spanning Tree Information
---------------------------------------------------------------
Spanning Tree Mode : MSTP
Spanning Tree Enabled/Disabled : Enabled
Instance : 0
VLANs Configured : 1-4093
Priority : 32768
Bridge Hello Time (sec.) : 2
Bridge Max. Age (sec.) : 20
Bridge Forward Delay (sec.) : 15
Root Hello Time (sec.) : 2
Root Max. Age (sec.) : 20
Root Forward Delay (sec.) : 15
Max. Hops : 20
Remaining Hops : 20
Designated Root : 32768.0.0001ECF8D8C6
Current Root Port : 21
Current Root Cost : 100000
Number of Topology Changes : 5
Last Topology Change Time (sec.): 11409
Transmission Limit : 3
Path Cost Method : Long
Cisco Prestandard : Disabled
---------------------------------------------------------------
Eth 1/ 1 information
---------------------------------------------------------------
Admin Status : Enabled
Role : Disabled
State : Discarding
External Admin Path Cost : 0
Internal Admin Path Cost : 0
External Oper Path Cost : 100000
Internal Oper Path Cost : 100000
Priority : 128
Designated Cost : 100000
Designated Port : 128.1
Designated Root : 32768.0.0001ECF8D8C6
Содержание EX-3524
Страница 2: ......
Страница 28: ...Figures 28 ...
Страница 34: ...Section I Getting Started 34 ...
Страница 58: ...Chapter 1 Initial Switch Configuration Setting the System Clock 58 ...
Страница 72: ...Chapter 2 Using the Command Line Interface CLI Command Groups 72 ...
Страница 156: ...Chapter 5 SNMP Commands Notification Log Commands 156 ...
Страница 164: ...Chapter 6 Remote Monitoring Commands 164 ...
Страница 218: ...Chapter 7 Authentication Commands Management IP Filter 218 ...
Страница 268: ...Chapter 8 General Security Measures Port based Traffic Segmentation 268 ...
Страница 292: ...Chapter 9 Access Control Lists ACL Information 292 ...
Страница 312: ...Chapter 10 Interface Commands Power Savings 312 ...
Страница 324: ...Chapter 11 Link Aggregation Commands Trunk Status Display Commands 324 ...
Страница 366: ...Chapter 15 Address Table Commands 366 ...
Страница 428: ...Chapter 17 VLAN Commands Configuring Voice VLANs 428 ...
Страница 572: ...Chapter 25 IP Interface Commands IPv6 Interface 572 ...
Страница 578: ...Section I Appendices 578 ...
Страница 594: ...Appendix C Customer Support Manuals 594 ...