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Catalyst 3750-X and 3560-X Switch Command Reference
OL-21522-02
Chapter 2 Catalyst 3750-X and 3560-X 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 gigabitethernet6/0/1
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 operating configuration. For syntax information, use this
link to the Cisco IOS Release 12.2 Command Reference listing page:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/prod_comma
nd_reference_list.html
Select the Cisco IOS Commands Master List, Release 12.2 to navigate
to the command.
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