Users Guide
Version Description
8.4.2.1 Introduced on the C-Series and S-Series.
8.4.1.0 Introduced on the E-Series.
Usage Information
You can separately congure both IPv4 and IPv6 domain name servers.
In a dual stack setup, the system sends both A (request for IPv4 — RFC 1035) and AAAA (request for IPv6 —
RFC 3596) record requests to a DNS server even if only the ip name-server command is congured.
ipv6 nd dad attempts
To perform duplicate address detection (DAD) on an interface, congure 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-specic. For command information about other platforms, see the relevant Dell 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 dns-server
Congures 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 conguration, use no ipv6 nd dns-server {ipv6-RDNSS-address}
{lifetime | infinite}
774 IPv6 Basics