Cisco 7604 Configuration Manual page 325

Chapter 21 Configuring Optional STP Features
Command
Step 4
Router(config-if)# end
Step 5
Router# show running interface { type
{port-channel port_channel_number }
1. type = ethernet, fastethernet, gigabitethernet, or tengigabitethernet
This example shows how to enable PortFast on Fast Ethernet interface 5/8:
Router# configure terminal
Router(config)# interface fastethernet 5/8
Router(config-if)# spanning-tree portfast
Router(config-if)# end
Router#
This example shows how to verify the configuration:
Router# show running-config interface fastethernet 5/8
Building configuration...
Current configuration:
!
interface FastEthernet5/8
no ip address
switchport
switchport access vlan 200
switchport mode access
spanning-tree portfast
end
Router#
To enable the default PortFast configuration, perform this task:
Command
Step 1
Router(config)# spanning-tree portfast default
Step 2
Router(config)# show spanning-tree summary totals
Step 3
Router(config)# show spanning-tree interface x
detail
Step 4
Router(config-if)# spanning-tree portfast trunk
Step 5
Router# show spanning-tree interface fastEthernet
x detail
This example shows how to enable the default PortFast configuration:
Router# configure terminal
Enter configuration commands, one per line.
Router(config)# spanning-tree portfast default
Router(config)# ^Z
Root bridge for:VLAN0010
EtherChannel misconfiguration guard is enabled
Extended system ID
Portfast
PortFast BPDU Guard
Portfast BPDU Filter is disabled by default
Loopguard
UplinkFast
BackboneFast
Pathcost method used is long
OL-4266-08
Purpose
Exits configuration mode.
1
Verifies the configuration.
slot/port } |
Purpose
Configures the PortFast default.
Verifies the global configuration.
Verifies the effect on a specific port.
Enables the PortFast trunk on a port
Verifies the configuration.
is disabled
is enabled by default
is disabled by default
is disabled by default
is disabled
is disabled
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
End with CNTL/Z.
Enabling PortFast
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