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Cisco ASA Series CLI Configuration Guide
Chapter 1 Configuring IPv6 Neighbor Discovery
Default Settings for IPv6 Neighbor Discovery
Default Settings for IPv6 Neighbor Discovery
Table 1-1 lists the default settings for IPv6 Neighbor Discovery.
Configuring IPv6 Neighbor Discovery
• Entering Interface Configuration Mode, page 1-6
• Configuring the Neighbor Solicitation Message Interval, page 1-7
• Configuring the Neighbor Reachable Time, page 1-8
• Configuring the Router Advertisement Transmission Interval, page 1-8
• Configuring the Router Lifetime Value, page 1-9
• Configuring DAD Settings, page 1-9
• Suppressing Router Advertisement Messages, page 1-10
• Configuring Address Config Flags for IPv6 DHCP Relay, page 1-11
• Configuring the IPv6 Prefix in Router Advertisements, page 1-12
• Configuring a Static IPv6 Neighbor, page 1-13
Entering Interface Configuration Mode
Configure neighbor discovery settings per interface. To enter interface configuration mode, perform the
following steps.
Table 1-1 Default IPv6 Neighbor Discovery Parameters
Parameters Default
value for the neighbor solicitation transmission
message interval
1000 seconds between neighbor solicitation
transmissions.
value for the neighbor reachable time The default is 0.
value for the router advertisement transmission
interval
The default is 200 seconds.
value for the router lifetime The default is 1800 seconds.
value for the number of consecutive neighbor
solicitation messages sent during DAD
The default is one message.
prefix lifetime The default lifetime is 2592000 seconds (30 days),
and a preferred lifetime is 604800 seconds (7
days).
on-link flag The flag is on by default, which means that the
prefix is used on the advertising interface.
autoconfig flag The flag is on by default, which means that the
prefix is used for autoconfiguration.
static IPv6 neighbor Static entries are not configured in the IPv6
neighbor discovery cache.
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