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Parameters
ipv6-address Enter the IPv6 address (X:X:X:X::X) of the name server to be used.
Note: The :: notation specifics successive hexadecimal fields of zeros.
ipv6-address2...
ipv6-address6
(OPTIONAL) Enter up to five more IPv6 addresses, in the x:x:x:x::x format, of name
servers to be used. Separate the IPv6 addresses with a space.
Defaults None
Command Modes CONFIGURATION
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
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
9.0.0.0 Introduced on the Z9000.
8.3.19.0 Introduced on the S4820T.
8.3.7.0 Introduced on the S4810.
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 configure 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
configured.
ipv6 nd dad attempts
To perform duplicate address detection (DAD) on an interface, configure the number of neighbor solicitation messages that are
sent.
S4810
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.
846 IPv6 Basics