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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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26-10
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 26 Configuring Optional STP Features
Enabling PortFast Port Types
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Gi5/7 Desg FWD 4 128.1 P2p Edge
Configuring a PortFast Network Port on a Specified Interface
Ports that are connected to Layer 2 switches and bridges can be configured as network ports.
Note Bridge Assurance is enabled only on PortFast network ports. For more information, see About
Bridge Assurance, page 26-11
To configure a port as a network port, perform this task:
This example shows how to configure GigabitEthernet interface 5/8 as a network port and verify
configuration:
Switch# configure terminal
Switch(config)# interface gigabitethernet 5/8
Switch(config-if)# spanning-tree portfast network
Switch(config-if)# end
Switch#
Switch# show running-config interface gigabitethernet 5/8
Building configuration...
Current configuration:
!
interface GigabitEthernet5/8
no ip address
switchport
switchport access vlan 200
switchport mode access
spanning-tree portfast network
end
Command Purpose
Step 1
Switch# configure terminal
Enters global configuration mode.
Step 2
Switch(config)# interface {{fastethernet |
gigabitethernet | tengigabitethernet} slot/port}
| {port-channel port_channel_number}
Specifies an interface to configure.
Step 3
Switch(config-if)# spanning-tree portfast network
Configures the port as a network port. If you have
enabled Bridge Assurance globally, it automatically runs
on a spanning tree network port.
Use the no keyword to disable PortFast.
Step 4
Switch(config-if)# end
Exits configuration mode.
Step 5
Switch# show running interface {{fastethernet |
gigabitethernet | tengigabitethernet} slot/port}
| {port-channel port_channel_number}
Verifies the configuration.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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