Cisco NM-16ESW - EtherSwitch Switch Manual de usuario descargar pdf (Pagina 31)

Configuring the Cisco Gigabit EtherSwitch EHWIC

How to Configure Gigabit EtherSwitch EHWICs

Configuring the Cisco Gigabit EtherSwitch EHWIC

OL-23155-01

DETAILED STEPS

Verifying Spanning Tree Port Priority

Use the show spanning-tree interface command to verify spanning-tree interface and the spanning-tree

port priority configuration.

Router#show spanning-tree interface gigabitethernet 0/1/2

Port 16 (GigabitEthernet0/1/2) of VLAN1 is forwarding

Port path cost 4, Port priority 128, Port Identifier 128.16.

Designated root has priority 32768, address 0008.e36d.9f70

Designated bridge has priority 32768, address 0025.451b.b22a

Designated port id is 128.16, designated path cost 38

Timers: message age 0, forward delay 0, hold 0

Number of transitions to forwarding state: 1

BPDU: sent 9096, received 1

Router#

Configuring Spanning Tree Port Cost

Beginning in global configuration mode, follow these steps to configure the spanning tree port cost of

an interface.

SUMMARY STEPS

1. interface gigabitethernet 0/slot/port

2. spanning-tree cost port_cost

Command Purpose

Step 1

interface gigabitethernet 0/slot/port

Example:

Router(config)#interface gigabitethernet

0/slot/port

Selects an interface to configure.

Step 2

spanning-tree port-priority port_priority

Example:

Router(config-if)#spanning-tree port-priority

port_priority

Configures the port priority for an interface. The

port_priority value can be from 0 to 255, in increments of 8.

Use the no form of this command to restore the defaults.

Step 3

spanning-tree vlan vlan_ID port-priority

port_priority

Example:

Router(config-if)#spanning-tree vlan vlan_ID

port-priority port_priority

Configures the VLAN port priority for an interface. The

port_priority value can be from 0 to 255, in increments of 8.

Use the no form of this command to restore the defaults.

Step 4

end

Example:

Router(config-if)#end

Exits configuration mode.

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Cisco NM-16ESW - EtherSwitch Switch Manual de usuario Pagina 31

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