Administrator Guide

Parameters
ipv6-RDNSS-
address
Enter the IPv6 Recursive DNS Server’s (RDNSS) address. You can specify up to 4 IPv6
RDNSS server addresses.
lifetime
Enter the lifetime in seconds. The amount of time the IPv6 host can use the IPv6 RDNSS
address for name resolution. The range is 0 to 4294967295 seconds. When you specify
the maximum lifetime value of 4294967295 or infinite, the lifetime does not expire.
A value of 0 indicates to the host that the RDNSS address should not be used. You must
specify a lifetime using the
lifetime or infinite parameter.
infinite Enter the keyword infinite to specify that the RDNSS lifetime does not expire.
Defaults Not Configured
Command Modes INTERFACE CONFIG
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
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
9.10(0.0) Introduced on the S3148.
9.10(0.0) Introduced on the S6100–ON.
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100–ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7(0.0) Introduced on the S6000–ON.
9.5(0.0) Introduced on the Z9000, S6000, S4810, S4820T, and MXL..
Usage Information Use this command to add, edit, or delete an IPv6 RDNSS address and lifetime value. You can configure up to four
IPv6 RDNSS addresses. You must specify a lifetime using the lifetime or infinite parameter.
Example
DellEMC(conf-if-gi-1/1)# ipv6 nd dns-server 1000::1 1
ipv6 nd prefix
Specify which IPv6 prefixes are included in Neighbor Advertisements.
Syntax
ipv6 nd prefix {ipv6-prefix | prefix-length | default} [no-advertise] | [no-
autoconfig] [no-rtr-address] [off-link] [lifetime {valid | infinite} {preferred
| infinite}]
Parameters
ipv6-prefix
Enter an IPv6 prefix.
prefix-length
Enter the prefix then the prefix length. The length range is from 0 to 128.
default Enter the keyword default to set default parameters for all prefixes.
no-advertise Enter the keyword no-advertise to prevent the specified prefix from being
advertised.
no-autoconfig Enter the keywords no-autoconfig to disable Stateless Address Autoconfiguration.
no-rtr-address Enter the keyword no-rtr-address to exclude the full router address from router
advertisements (the R bit is not set).
off-link Enter the keywords off-link to advertise the prefix without stating to recipients that
the prefix is either on-link or off-link.
IPv6 Basics 765