CHAPTER
61-1
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.8.0E and IOS 15.2(4)E
61
DHCPv6 Options Support
This module describes the Dynamic Host Control Protocol Version 6 (DHCPv6) Relay Agent, DHCPv6
Interface-ID, Lightweight DHCPv6 Relay Agent (LRDA), and CAPWAP Access Controller DHCP
Option 52 features.
This module consists of these sections:
• Restrictions for DHCPv6 Options Support, page 61-1
• Information About DHCPv6 Options Support, page 61-2
• How to Configure DHCPv6 Options Support, page 61-5
• Configuration Examples for DHCPv6 Options Support, page 61-9
• Additional References for DHCPv6 Options Support, page 61-10
• Feature Information for DHCPv6 Options Support, page 61-12
Note For complete syntax and usage information for the switch commands used in this chapter, see
publications at this location:
Cisco IOS Command Reference Guides for the Catalyst 4500 Series Switch
If a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library, at this location:
Cisco IOS Master Command List, All Releases
Restrictions for DHCPv6 Options Support
The following restrictions apply to the Lightweight DHCPv6 Relay Agent (LDRA) feature:
• An interface or port cannot be configured as both client facing and server facing at the same time.
• Access nodes implementing LDRA do not support IPv6 control or routing.
• Unlike a DHCPv6 relay agent, an LDRA does not implement any IPv6 control functions (like
Internet Control Message Protocol Version 6 [ICMPv6] functions), nor does it have any routing
capability in the node.
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