Administrator Guide
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.
valid-lifetime
|
infinite
Enter the amount of time that the prefix is advertised, or enter infinite for an
unlimited amount of time. The range is from 0 to 4294967295. The default is 2592000.
The maximum value means that the preferred lifetime does not expire for the valid-life
time parameter.
preferred-lifetime
| infinite
Enter the amount of time that the prefix is preferred, or enter infinite for an unlimited
amount of time. The range is from 0 to 4294967295. The default is 604800. The
maximum value means that the preferred lifetime and does not expire.
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
9.8(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.
8.3.2.0 Introduced on the E-Series, C-Series, and S-Series.
Usage Information By default, all prefixes configured as addresses on the interface are advertised. This command allows control over
the individual parameters per prefix; you can use the default keyword to use the default parameters for all
prefixes. If a prefix has been configured with lifetime parameter values, the default values cannot be applied using
the ipv6 nd prefix default no-autoconfig command.
IPv6 Basics 761