Reference Guide

776 | IPv6 Basics
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Command Modes
CONFIGURATION
Command
History
ipv6 name-server
c e s
Enter up to 6 IPv6 addresses of name servers. The order you enter the addresses determines
the order of their use.
Syntax
ipv6 name-server ipv6-address [ipv6-address2... ipv6-address6]
Parameters
Defaults
No name servers are configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
You can separately configure both IPv4 and IPv6 domain name servers.
ipv6 nd dad attempts
Configure the number of neighbor solicitation messages that are sent to perform duplicate
address detection (DAD) on the management interface.
Syntax
ipv6 nd dad attempts {number of attempts}
To restore the default value, use the no ipv6 nd dad attempts command.
Parameters
Version 8.3.19.0 Introduced on the S4820T
Version 8.3.7.0 Introduced on the S4810
Version 8.4.2.1 Introduced on the C-Series and S-Series
Version 8.4.1.0 Introduced on E-Series TeraScale
ipv6-address Enter the IPv6 address (X:X:X:X::X) of the name server to be used.
ipv6-address2...
ipv6-address6
Enter up five more IP addresses, in dotted decimal format, of name servers to
be used.
Separate the addresses with a space.
Version 8.3.19.0 Introduced on the S4820T
Version 8.3.7.0 Introduced on the S4810
Version 8.4.2.1 Introduced on the C-Series and S-Series
Version 8.4.1.0 Introduced on E-Series TeraScale
number of
attempts
Enter the number of attempts to be made to detect a duplicate address
Range: 0 to 15.
Setting the value to 0 disables DAD on the interface.