About Ip Unnumbered Interface Support - Cisco Catalyst 4500 Series Configuration Manual

Configuring IP Unnumbered Interface
This chapter discusses the IP Unnumbered Interface feature, which allows you to enable IP processing
on an interface without assigning an explicit IP address.
This chapter contains these sections:
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For complete syntax and usage information for the switch commands used in this chapter, first look at
Note
the Cisco Catalyst 4500 Series Switch Command Reference and related publications at this location:
http://www.cisco.com/en/US/products//hw/switches/ps4324/index.html
If the command is not found in the Catalyst 4500 Series Switch Command Reference, it will be found in
the larger Cisco IOS library. Refer to the Cisco IOS Command Reference and related publications at this
location:
http://www.cisco.com/en/US/products/ps6350/index.html

About IP Unnumbered Interface Support

Before you configure VLANs and LAN interfaces with IP unnumbered interfaces, you should
understand the following concepts:
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OL-25340-01
About IP Unnumbered Interface Support, page 16-1
IP Unnumbered Configuration Guidelines and Restrictions, page 16-3
Configuring IP Unnumbered Interface Support with DHCP Server, page 16-4
Configuring IP Unnumbered Interface Support with Connected Host Polling, page 16-6
Displaying IP Unnumbered Interface Settings, page 16-7
Troubleshooting IP Unnumbered Interface, page 16-8
Related Documents, page 16-8
IP Unnumbered Interface Support with DHCP Server and Relay Agent, page 16-2
DHCP Option 82, page 16-2
IP Unnumbered Interface with Connected Host Polling, page 16-3
C H A P T E R
Software Configuration Guide—Release IOS XE 3.3.0SG and IOS 15.1(1)SG
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