Cisco NM-16ESW - EtherSwitch Switch Bedienungsanleitung PDF herunterladen (Seite 82)

Configuring the Cisco Gigabit EtherSwitch EHWIC

Configuration Examples for Gigabit EtherSwitch EHWICs

Configuring the Cisco Gigabit EtherSwitch EHWIC

OL-23155-01

Timers: message age 2, forward delay 0, hold 0

Number of transitions to forwarding state: 1

BPDU: sent 19, received 89512

Router#

Spanning-Tree Port Cost: Example

The following example shows how to change the spanning-tree port cost of a Gigabit Ethernet interface:

Router#configure terminal

Router(config)#interface gigabitethernet 0/1/2

Router(config-if)#spanning-tree cost 18

Router(config-if)#end

Router#

Router#show run interface gigabitethernet0/1/2

Building configuration...

Current configuration: 140 bytes

interface GigabitEthernet0/1/2

switchport access vlan 1

no ip address

spanning-tree vlan 1 port-priorityy 64

spanning-tree cost 18

end

The following example shows how to verify the configuration of the interface when it is configured as

an access port:

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

Port 33 (GigabitEthernet0/1/2) of VLAN1 is forwarding

Port path cost 18, Port priority 64, Port Identifier 64.33

Designated root has priority 32768, address 00ff.ff10.37b7

Designated bridge has priority 32768, address 00ff.ff10.37b7

Designated port id is 128.13, designated path cost 0

Timers: message age 2, forward delay 0, hold 0

Number of transitions to forwarding state: 1

BPDU: sent 1, received 175

Router#

Bridge Priority of a VLAN: Example

The following example shows the bridge priority of VLAN 20 being configured to 33792:

Router#configure terminal

Router(config)#spanning-tree vlan 20 priority 33792

Router(config)#end

Router#

Hello Time: Example

The following example shows the hello time for VLAN 20 being configured to 7 seconds:

Router#configure terminal

Router(config)#spanning-tree vlan 20 hello-time 7

Router(config)#end

Router#

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