Glossary

ipv6 nd dad attempts
To perform duplicate address detection (DAD) on an interface, configure the number of neighbor solicitation messages that are
sent.
Syntax
ipv6 nd dad attempts {number of attempts}
To restore the default value, use the no ipv6 nd dad attempts command.
Parameters
number of
attempts
Enter the number of attempts to be made to detect a duplicate address. The range
is from 0 to 15. Setting the value to 0 disables DAD on the interface.
Default 3 attempts
Command Modes INTERFACE (management interface only)
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant DellEMC
Networking OS Command Line Reference Guide.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
ipv6 nd disable-reachable-timer
Keep the learnt neighbor discovery entries stateless so that the entries do not time out.
Syntax
ipv6 nd disable-reachable-timer
To restore to default, use the no ipv6 nd disable-reachable-timer command.
Default Disabled
Command Modes INTERFACE
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
EMC Networking OS Command Line Reference Guide.
Version Description
9.11.0.1 Introduced on the S3100 series, S3048–ON, S4048–ON, S4048T-ON, S4810,
S4820, S5000, S6000, S6010–ON, S6000–ON, S6100–ON, Z9100–ON, C9010,
Z9500, MXL, and FN IOM.
ipv6 nd dns-server
Configures Recursive DNS Server (RDNSS) addresses to be distributed via IPv6 router advertisements to an IPv6 device.
Syntax
ipv6 nd dns-server {ipv6-RDNSS-address} {lifetime | infinite}
To remove the IPv6 RDSS configuration, use no ipv6 nd dns-server {ipv6-RDNSS-address}
{lifetime | infinite}
IPv6 Basics 851