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Catalyst 3560 Switch Command Reference
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Chapter 2 Catalyst 3560 Switch Cisco IOS Commands
ip address
If your switch receives its IP address from a Bootstrap Protocol (BOOTP) or a DHCP server and you
remove the switch IP address by using the no ip address command, IP processing is disabled, and the
BOOTP or the DHCP server cannot reassign the address.
A Layer 3 switch can have an IP address assigned to each routed port and SVI. The number of routed
ports and SVIs that you can configure is not limited by software; however, the interrelationship between
this number and the number of other features being configured might have an impact on CPU utilization
due to hardware limitations. You can use the sdm prefer global configuration command to reallocate
system hardware resources based on templates and feature tables. For more information, see the sdm
prefer command.
Examples This example shows how to configure the IP address for the Layer 2 switch on a subnetted network:
Switch(config)# interface vlan 1
Switch(config-if)# ip address 172.20.128.2 255.255.255.0
This example shows how to configure the IP address for a port on the Layer 3 switch:
Switch(config)# ip multicast-routing
Switch(config)# interface gigabitethernet0/1
Switch(config-if)# no switchport
Switch(config-if)# ip address 172.20.128.2 255.255.255.0
You can verify your settings by entering the show running-config privileged EXEC command.
Related Commands Command Description
show running-config Displays the running configuration on the switch. For syntax information,
select Cisco IOS Configuration Fundamentals Command Reference,
Release 12.2 > File Management Commands > Configuration File
Management Commands.
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