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S
PANNING
T
REE
A
LGORITHM
C
ONFIGURATION
3-153
Figure 3-66. Configuring the Spanning Tree Algorithm
CLI
– This example enables Spanning Tree Protocol and then configures
the STA parameters.
Displaying Interface Settings
The STA Port Information and STA Trunk Information pages display the
current status of ports and trunks in the Spanning Tree.
Field Attributes
•
Spanning Tree
– Shows if STA has been enabled on this interface.
•
STA Status
– Displays current state of this port within the Spanning
Tree:
-
Discarding
- Port receives STA configuration messages, but does
not forward packets.
-
Learning
- Port has transmitted configuration messages for an
interval set by the Forward Delay parameter without receiving
contradictory information. Port address table is cleared, and the port
begins learning addresses.
-
Forwarding
- Port forwards packets, and continues learning
addresses.
The rules defining port status are:
- A port on a network segment with no other STA compliant bridging
device is always forwarding.
- If two ports of a switch are connected to the same segment and there
is no other STA device attached to this segment, the port with the
smaller ID forwards packets and the other is discarding.
Console(config)#spanning-tree
4-181
Console(config)#spanning-tree mode
4-182
Console(config)#spanning-tree priority 40000
4-186
Console(config)#spanning-tree hello-time 5
4-184
Console(config)#spanning-tree max-age 38
4-185
Console(config)#spanning-tree forward-time 20
4-183
Console(config)#spanning-tree pathcost method long
4-186
Console(config)#spanning-tree transmission-limit 4
4-187
Содержание 6128L2
Страница 2: ......
Страница 21: ...CONTENTS xvii Glossary Index ...
Страница 22: ...CONTENTS xviii ...
Страница 26: ...TABLES xxii ...
Страница 40: ...INTRODUCTION 1 10 ...
Страница 54: ...INITIAL CONFIGURATION 2 14 ...
Страница 193: ...PORT CONFIGURATION 3 139 Figure 3 61 Displaying Etherlike and RMON Statistics ...
Страница 257: ...QUALITY OF SERVICE 3 203 Figure 3 90 Configuring Policy Maps ...
Страница 313: ...COMMAND GROUPS 4 13 PE Privileged Exec VC VLAN Database Configuration ...
Страница 592: ...TROUBLESHOOTING B 4 ...
Страница 605: ......