61-12
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.8.0E and IOS 15.2(4)E
 
Chapter 61      DHCPv6 Options Support
Feature Information for DHCPv6 Options Support
Feature Information for DHCPv6 Options Support
The following table provides release information about the feature or features described in this module. 
This table lists only the software release that introduced support for a given feature in a given software 
release train. Unless noted otherwise, subsequent releases of that software release train also support that 
feature.
Use Cisco Feature Navigator to find information about platform support and Cisco software image 
support. To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is 
not required.
Table 1 Feature Information for DHCPv6 Options Support
Feature Name Releases Feature Information
CAPWAP Access Controller DHCP 
Option 52
Cisco IOS 
Release 15.2(5)E2
The Control And Provisioning of Wireless Access 
Points (CAPWAP) protocol allows Lightweight 
Access Points to use DHCPv6 to discover a Wireless 
Controller to which it can connect. 
DHCPv6 Interface-ID Cisco IOS 
Release 15.2(5)E2
The interface-ID option is used by relay agents to 
decide which interface should be used when 
forwarding a RELAY-REPLY packet.
DHCPv6 Relay Agent Cisco IOS 
Release 15.2(5)E2
A DHCP relay agent, which may reside on the client’s 
link, is used to relay messages between the client and 
server.