CHAPTER
25-1
Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
25
Configuring IPv6 Neighbor Discovery
The IPv6 neighbor discovery process uses ICMPv6 messages and solicited-node multicast addresses to
determine the link-layer address of a neighbor on the same network (local link), verify the readability of
a neighbor, and keep track of neighboring routers. For information about how to configure IPv6
Neighbor Discovery in ASDM, see the Cisco ASA 5500 Series Configuration Guide using ASDM.
This chapter describes how to enable and configure IPv6 neighbor discovery on the adaptive security
appliance and includes the following sections:
• Configuring Neighbor Solicitation Messages, page 25-1
• Configuring Router Advertisement Messages, page 25-8
• Configuring a Static IPv6 Neighbor, page 25-18
Configuring Neighbor Solicitation Messages
This section includes the following topics:
• Configuring the Neighbor Solicitation Message Interval, page 25-1
• Configuring the Neighbor Reachable Time, page 25-4
Configuring the Neighbor Solicitation Message Interval
• Information About Neighbor Solicitation Messages, page 25-2
• Licensing Requirements for Neighbor Solicitation Messages, page 25-2
• Guidelines and Limitations for the Neighbor Solicitation Message Interval, page 25-3
• Default Settings for the Neighbor Solicitation Message Interval, page 25-3
• Configuring the Neighbor Solicitation Message Interval, page 25-3
• Feature History for the Neighbor Solicitation Message Interval, page 25-4
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