Configuring Ip Unnumbered Interface - Cisco Catalyst 4500 series Administration 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:
•
•
•
•
•
•
•
For complete syntax and usage information for the switch commands used in this chapter, see the Cisco
Note
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 a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library. See 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:
•
•
•
OL_28731-01
About IP Unnumbered Interface Support, page 17-1
IP Unnumbered Configuration Guidelines and Restrictions, page 17-3
Configuring IP Unnumbered Interface Support with DHCP Server, page 17-4
Configuring IP Unnumbered Interface Support with Connected Host Polling, page 17-6
Displaying IP Unnumbered Interface Settings, page 17-7
Troubleshooting IP Unnumbered Interface, page 17-8
Related Documents, page 17-8
IP Unnumbered Interface Support with DHCP Server and Relay Agent, page 17-2
DHCP Option 82, page 17-2
IP Unnumbered Interface with Connected Host Polling, page 17-3
C H A P T E R
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
17
17-1